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Patent Landscape Report: Robotic Vacuum Cleaners (RVC)

A.  Introduction

Robotic vacuum cleaners (RVCs) are devices that autonomously navigate floor plans, utilizing onboard sensors and software to meticulously remove dirt, dust, and debris. The introduction of RVCs has demonstrably revolutionized the home cleaning industry by enhancing efficiency and liberating users from a traditionally time-consuming chore. This allows individuals to dedicate their time to more productive or leisure activities. They also provide consistent cleaning, maintaining a higher standard of cleanliness with regular use. Moreover, their compact design allows them to clean under furniture and in tight spaces that traditional vacuum cleaners might miss.

The technology used by the Robotic Vacuum Cleaner is different from that of the traditional vacuum cleaner. Some of these technological features are as follows:

The Sensor: This allows the device to navigate through the floor and avoid bumping into areas as well as falling from heights.

Short-Range Ultrasonic ToF: This is used to identify if the target surface is hard or soft, it is working on an average amplitude of a reflected ultrasonic signal. This technology senses the type of flooring (tile, carpet, or wood) and adjusts its cleaning effort accordingly.

VSLAM And LiDAR: This technology helps to build a virtual map of the room. Since they are viewing a virtual map of the room that they are going to clean they are capable of cleaning more efficiently covering the entire home.

Inertial Measurement Units (IMU): IMU sensors act like a compass and level for the robot sweeper. They track how it moves in all directions, including forward/backward, tilting, and turning. This allows the sweeper to “know” where it is and what it’s doing while cleaning.

B.  Objective of this Patent Landscape

This Patent Landscape Report delves into the industry of robotic vacuum cleaners by analysing trends in patent filings. Our investigation focuses on three key areas:  first, identifying emerging technologies and advancements that are shaping the future of robotic cleaning.  Second, we examine filing patterns over the past decade (2014-2024) to understand how the industry has evolved and developed.  Finally, the report sheds light on the key players who are driving innovation in this dynamic market.

To achieve these goals, we conducted an analysis of patents filed, published, and granted during the specified timeframe. Our search strategy employed a strategic combination of predetermined International Patent Classification (IPC) codes alongside targeted keywords.  This approach ensured we captured the most relevant data to create a well-rounded picture of the robotic vacuum cleaner patent landscape.

C.  Parameters used for patent landscape analysis

  1. Patenting trends for the years 2014 to 2024
  2. Distribution of patents based on assignees.
  3. Estimated top 10 publication countries
  4. Estimated top 10 assignee countries
  5. Estimated top 10 Priority countries
  6. Estimated top 10 industry areas
  7. Estimated top 10 owners between the years 2014 and 2024
  8. Technological classification based on IPC classification
  9. Activities of Competitors based on Area of Research (IPC)

1.     Patenting trends for the years 2014 to 2024

Figure 1: Patent filing trend between the years 2014 to 2024

Figure 1 depicts the distribution of patents for RVC between the years 2014 to 2024, including both applications filed and granted patents. The graph shows that highest number of applications were filed in 2019 with 68 patents followed by 2018 with 61 patents. However, the lowest number of patents were granted in the year 2014 with 16 patents compared to 2022 with 59 patents and 2020 with 55 patents. Overall, filings for RVC patent families saw a gradual increase but a sharp decline as depicted by the 2023 graph.

2.     Distribution of patents based on assignees

Figure 2:  Distribution of Patents based on the Assignees

As observed in Figure 2, Miele & CIE KG is the key player with 82 patents. The next key player is the Sharkninja Operating LLC with 52 patents. Electrolux AB has 46 patents while Dyson Technology LTD. has 39 patents. Next in line is LG Electronic Inc. with 31 patents, Irobot Corp. with 24 patents and Koninklijke Philips NV with 21 patents. The Seb Sa and Vorwerk & Co. Interholding Gmbh come next with 12 patents. Lastly, we have Omachron Intellectual Property with 11 patents.

3.     Estimated top 10 publication countries between the years 2014 & 2024

Figure 3:  Distribution of Patents based on Publication Countries

Figure 3 indicates that the maximum patents belongs to the inventors of United States (US) with 183 patents and rest of the patents are issued to the inventors of other countries, ie European Patent Office (EP) with 100 patents, Japan (JP) with 71 patents, Germany (DE) with 53 patents, United Kingdom (GB) with 34 patents, Chinese Taipei (TW) with 26 patents being the prominent followed by Australia (AU) with 22 patents, India (IN) with 11 patents, Canada (CA) with 9 patents and the least Russian Federation (RU) with 8 patents.

4.     Estimated top 10 assignee countries between the years 2014 to 2024

Figure 4: Distribution of Patent based on Assignee Countries

The Figure 4 indicates US (United States) is the key assignee country with 131 patents and rest assignee countries are Germany (DE) with 113 patents, Sweden (SE) with 39 patents being the prominent followed by Great Britain (GB) with 34 patents, Korea (KR) with 29 patents, Netherlands (NL) with 27 patents, China (CN) with 16 patents and France (FR) with 11 patents. The final three countries half include France (FR) with 11 patents, Japan (JP) with 11 patents and Canada (CA) with 10 patents.

5.     Estimated top 10 priority countries between the years 2014 to 2024

Figure 5:  Distribution of Patents based on Priority Countries

Figure 5 indicates that United States (US) is the is the priority country for “RVC “with 169 patents and the rest of the priority countries are Germany (DE) with 107 patents, European Patent Office (EP) with 62 patents, United Kingdom (GB) with 48 patents, Korea (KR) with 30 patents, Japan (JP) with 26 patents, China (CN) with 25 patents, France (FR) with 12 patents, Sweden (SE) with 11 patents and Chinese Taipei (TW) with 11 patents.

6.     Estimated top 10 industry areas between the years 2014 to 2024

Figure 6:  Top 10 industry areas between 2014-2024

The Figure 6 indicates major industries and technology areas between 2014 and 2024. Domestic Appliances is the major industry in the field with 446 patents. General Purpose Machinery follows next with 110 patents. The next in line is Measuring, Testing and Navigation industry with 63 patents. The Metal forming machinery industry holds 37 patents while the Other General-Purpose Machinery has 34 patents. The Computers and Peripheral Equipment has 28 patents followed by Communication Equipment with 26 patents. Motor Vehicles hold 25 patents while other manufacturing industries hold 20 patents. The least in number is the electric motors and generators industry with 17 patents.

7.     Estimated top 10 owners between the years 2014 to 2024

Figure 7:  Top 10 industry owners between 2014-2024

As depicted in Figure 7, Miele & CIE KG is the major player with 82 patents. Miele & CIE KG manufacturer of high-end home appliances and commercial equipment, known for their quality and durability.The next key player is Sharkninja Operating LLC. with 52  patents, which is a producer focused on designing and developing innovative household appliances.. The next in line is Electrolux AB. with 46 patents. Dyson James Ltd. industry holds 39 patents while the LG Corp. has 33 patents. Irobot Corp. industry has 24 patents followed by Koninklike Philips Nv.  with 23 patents. Vorwerk & Co and Midea Group both holds 18 and 13  patents each followed by Seb Sawith the least number of patents i.e. 12 patents.

8.     Technology classifications based on IPC classification

Figure 8: Technological Patent Distribution based on main IPC Code Classification

Figure 8 indicates the patent distribution based on main IPC code. The top spot is occupied by the domestic washing or cleaning with 589 patents families. Other major players include system for controlling or regulating non-electric variables with 126 patent families, manipulators with 69 patent families and radio direction with 32 patent families. Measuring distances, levels or bearings follows with 21 patents along with electric digital data processing with 20 patents . Circuit arrangements or systems for supplying or distributing electric power has 18 patents while the next in line  ie. Brushes hold 16 patents. Air conditioning hold 13 patents each followed by Separation with the least number of patents i.e., 12 patents.

9.     Activities of Competitors based on Area of Research (IPC)

Figure 9: Distribution of Patent based on Competitors and Area of Research (IPC)

Figure 9 depicts the distribution of patents based on competitors and area of research (IPC). The top spot occupied by IPC A47L9/28 ie installation of electric equipment hold 294 patents. Other major players include A47L9/04 ie driven brushes or agitators with 176 patent families and parts of machines not  such as arrangment of switches, skirts, buffers, levers with 135 patent families. IPC A47L9/00 for details or accessories of suction cleaners with 129 patent families. Control of position or course in two dimensions with 121 patent families while next in line is floor sweeping machines and Nozzles with 38 patents. Lastly, we have A47L9/06 with fixed brushes and A47L9/14 with bags or the like at 35 and 34 patent families each.

D.  Conclusion

Robotic Vacuum Cleaner (RVC), a newly introduced technology has slowly become one of the most popular pieces of technology and opened up new dimensions for the automated technological industry. The study indicates that the substantial number of patents is filed by inventors of the US (United States) and Miele & CIE KG (Germany) being the major players. The study also shows that there are very less patents filed when it comes to manufacturing industries when Domestic Appliances industry. Data shows that there are maximum published patent families related to the RVC worldwide, of which 131 are from US applicants. In terms of innovation, the RVC industry may be quite competitive despite the presence of a handful of very large companies. Based on the list of top applicants, it is clear the leading patent filers include the Miele & CIE KG, Sharkninja Operating LLC, Electrolux AB and Dyson Technology LTD.

Authors: Ambika Menon, O.P. Jindal Global University and Deeksha. S PES University

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Patent of Addition: An Overview and Comparative Analysis of Indian Law with US, EU and Japan

A Patent of addition is a special type of patent allowing the holder to make improvements or modifications to an existing invention without filing a new patent application. It is designed to protect improvements or developments on an original patented invention, providing legal protection to the incremental innovations made by the inventor. The key feature of a Patent of Addition is that it derives its validity from the main patent and typically expires along with the main patent.

The Patents Act of 1970 is primarily based on the recommendations of the Justice N. Rajagopala Ayyangar Committee, as detailed in their report, “Report on the revisions in the patent law.” The Ayyangar Committee proposed the inclusion of a clause allowing for applications for patents of addition, similar to Section 26 of the UK Patent Act of 1949. In the UK, the Lord Swan Committee (1948) recommended provisions in the UK Patent Act 1949 to assist applicants who did not draft their claims comprehensively enough to cover their invention. This provision aimed to offer these applicants a chance to rectify their claims by filing a patent of addition, thus allowing them to address variations of the main application and expand the scope of their invention. The Ayyangar Committee’s recommendations mirrored Section 26 of the UK Patent Act.

The provision for a Patent of Addition offers significant benefits to inventors. It fosters continuous innovation by motivating inventors to enhance their inventions through incremental advancements. It also protects these enhancements, promotes cost and efficiency, and ensures clear legal protection for these improvements, empowering inventors to defend their innovations effectively.

  • The Indian law for Patent of Addition.

Under the Patents Act of 1970 (Sections 54 to 56), a Patent of Addition is specifically designed to improve or modify an existing invention. This provision allows inventors to protect their incremental advancements without the need to file a new and separate patent application. The key feature of a Patent of Addition in India is that it does not have an independent term; instead, it expires concurrently with the main patent. This ensures that the improvement is protected only as long as the original invention is protected. A Patent of Addition can also be granted even if the main patent is still pending. It provides flexibility and continuous protection for ongoing innovations, reassuring and supporting inventors in their creative journey. The examination process for a Patent of Addition is the same as that for the main patent, ensuring that the improvement meets all patentability requirements, including novelty, inventive step, and industrial applicability.

Section 54 of the Patents Act of 1970 outlines the provisions for patents of addition, which are granted for improvements or modifications to an existing (primary) invention. If an applicant files for a patent covering an improvement or modification of a main invention and has either already applied for it or holds the patent, the Controller may, upon request, grant a patent for the improvement as a patent of addition. In case, the improvement or modification is already patented independently, and the patentee holds the main invention’s patent, the Controller may, upon request, revoke the independent patent and grant an addition patent with the same filing date as the revoked patent. A patent of addition is only be granted if its application date is the same as or later than the filing date of the main invention’s application, and it cannot be granted before the main invention’s patent is granted.

Further, Section 55 states that patent of addition is granted for the same term as the main patent and remains in force until the main patent expires or is revoked. If the main patent is revoked, the addition patent can become an independent patent for the remainder of the original term. No renewal fee is required for an addition patent unless it becomes independent. Lastly, Section 56 states that the grant of an addition patent cannot be refused or invalidated solely because the improvement lacks an inventive step compared to the main invention. The validity of an addition patent cannot be challenged because it should have been an independent patent. Novelty is assessed by considering both the main invention and the patent of addition.

  1. Can a Patent Cooperation Treaty (PCT) application be filed for an addition patent?

Section 54 of the Patents Act does not limit the type of application for which a modification or improvement can be sought, allowing flexibility in its application. According to Section 7(1A) of the Patents Act of 1970, an international application filed under the Patent Cooperation Treaty (PCT) is considered filed in India if a corresponding application was filed before the Controller in India.  Furthermore, under Section 138(4) of the Patents Act, an international PCT application designating India is treated as if it were filed under Sections 7 and 54. Form-1, the standard application form for patents in India, includes a specific section dedicated to patents of addition, confirming that such applications can be filed domestically or through international routes.

This interpretation is consistent with the PCT itself. Article 2 of the PCT broadly defines “application” as various types of applications for the protection of inventions, encompassing patents of addition, among others. Therefore, if an applicant wishes to designate an international PCT application as a patent of addition or seek other forms of protection in the designated state, this can be indicated during the national phase entry process. However, it’s essential to consider whether the special privileges granted to patents of addition under Indian law are recognised and applied similarly in other jurisdictions where the PCT application is pursued.

  • Comparative Analysis in the US, the EU, and Japan
    • United States

In the United States, the concept similar to a Patent of Addition is known as a Continuation-in-Part (CIP) application, as defined in United States Code, Title 35, Section 253. A continuation-in-part (CIP) application is a refiling of the same specification as the parent application but includes additional features of the invention.  The claims are directed to the additional features.  A CIP application allows inventors to add new subject matter to an existing patent application while retaining the priority date of the original application for the shared content. This means that while the new material is examined as if it were a separate application, it benefits from the earlier filing date of the original application for the common content. This can be advantageous in securing earlier protection for the innovation. The term of the CIP patent can differ from that of the original patent, depending on the filing date of the new content, providing additional flexibility in managing patent lifecycles.

  • European Union

The European Patent Convention (EPC) does not have a direct equivalent to a Patent of Addition. Instead, it provides for divisional applications. A divisional application allows an applicant to split an existing patent application into two or more applications, each treated as an independent patent. Divisional applications must be filed while the parent application is still pending. They inherit the parent application’s filing date, ensuring that the priority is maintained. The term for a divisional application is 20 years from its filing date, providing a full patent term independently of the parent application. This approach offers inventors flexibility in managing their patent portfolios and protecting different aspects of their inventions separately.

  • Japan

In Japan, the concept of a Patent of Addition is provided under Article 44 of the Japanese Patent Act. It is also called “Utility Model Registration” or “Patent of Addition.” This provision allows inventors to patent improvements to an existing invention. Similar to India, the Patent of Addition in Japan does not have an independent term and expires concurrently with the main patent, ensuring that the improvement is protected for the same duration as the original invention. The improvement must meet specific criteria to be eligible, and the examination process is the same as for the main patent. This ensures that the added innovation is patentable and deserves protection.

  • The Three Pillars of the Comparative Analysis

Term and Expiry: In India and Japan, the Patent of Addition expires with the main patent, ensuring no extension beyond the original patent’s term. This approach simplifies the management of patent durations but limits the protection period for improvements. In contrast, through CIP applications, the US system allows for a potentially different term based on the filing date of the new content, providing flexibility but adding complexity to patent term management. The EU’s divisional applications have independent terms, providing an entire 20-year protection period from the filing date of the divisional application and offering the longest potential protection for improvements.

Application Process: All jurisdictions require that the Patent of Addition or its equivalent undergoes the same rigorous examination process as the main patent. This ensures that the improvements meet all patentability criteria in India and Japan, even if the main patent is still pending. The US CIP application process allows for new subject matter to be examined independently, ensuring that each part of the application is thoroughly vetted. In the EU, divisional applications must be filed while the parent application is pending, maintaining a continuous chain of priority and ensuring that all aspects of the invention are examined appropriately.

Purpose and Use: All jurisdictions aim to encourage and protect incremental innovations and improvements. The US and EU systems provide more flexibility, with independent terms for CIP and divisional applications, allowing inventors to manage their patent portfolios strategically. This flexibility can be beneficial for complex inventions with multiple improvements. On the other hand, India and Japan offer a more straightforward approach, directly linking the term of the Patent of Addition to the main patent, simplifying the process but limiting the protection period for the improvements. This approach is beneficial for ensuring the improvement’s protection is tied to the original invention’s lifecycle, promoting consistent and predictable patent management.

Conclusion

The concept of a Patent of Addition plays a vital role in the global patent system by encouraging and protecting continuous innovation. Despite the varied implementations across different jurisdictions, the core objective remains consistent: incentivising inventors to improve and refine their inventions by providing legal protection for these incremental advancements. In India and Japan, the Patent of Addition ensures that improvements or modifications are protected as long as the main patent is in force. This approach simplifies the patent lifecycle for inventors by directly linking the improvement’s protection to the primary patent’s term, reducing administrative burdens and costs associated with filing multiple patents for related innovations.

The Continuation-in-Part (CIP) application in the United States offers a flexible mechanism for protecting improvements. By allowing the addition of new subject matter to an existing application and examining it independently, the CIP system allows inventors to extend the protection of their innovations while maintaining the original priority date for shared content. This flexibility can be particularly beneficial in industries where rapid technological advancements necessitate frequent updates and improvements to patented inventions. The European Patent Convention (EPC) adopts a different approach through divisional applications. Divisional applications allow inventors to split an existing patent application into separate patents, offering the advantage of independent terms and an entire 20-year protection period for each divisional.

Understanding these differences is crucial for inventors and businesses seeking to protect their innovations in multiple regions. The choice of jurisdiction and the specific type of patent application can significantly impact the scope and duration of protection for incremental improvements. By navigating the varied legal frameworks effectively, inventors can maximise the protection of their innovations, encourage continuous development, and strategically manage their intellectual property portfolios on a global scale. While the implementation of the Patent of Addition varies across India, the US, the EU, and Japan, each system aims to balance the rights of inventors with the public interest, fostering an environment that supports ongoing innovation, economic growth, and technological advancement.

Authors: Atriyo Bhattachary, School Of Law, Christ (Deemed to be University)

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Patent Landscape: Cisplatin Nanoparticle Formulation

Introduction

Cisplatin is an alkylating agent that reacts with biological components to form covalent bonds, commonly used in chemotherapy. It is a platinum based coordination complex that damages DNA in an unrepairable way. This halts the excessive growth of cancer cells and induces apoptosis. It is commonly administered for testicular, ovarian, bladder, and lung cancers.

However, one of the major side effects of Cisplatin was reported to be severe nephrotoxicity that is defined by deterioration of the kidneys due to heavy chemicals. To overcome this, a targeted drug delivery system using nanoparticles was devised.

Nanoparticles are spherical polymers with more than one dimension in the nanoscale. By scaling down the dimensions to the nanoscale, a drug’s efficiency can be increased by improving the drug’s absorption. They are biocompatible and biodegradable particles. Due to the nano-dimensions of the nanoparticles, there is an increased surface area that leads to increased absorption in the biological systems.

Cisplatin Nanoparticle formulations involve incorporating the targeted drug molecule with a nanoparticle that are engineered to target cancer cells and minimize side effects by not attacking healthy cells. Nanoparticles release the drug in a controlled manner, improving the drug’s bioavailability. Bioavailability is the extent at which the drug enters the human circulation system and is available for action on the active site. It is a parameter to judge the extent of a particular drug molecule’s absorption by the system and efficiency at the target site.

Cisplatin nanoparticles have been presented as a promising advancement in chemotherapy, offering a large therapeutic effect while minimizing the harmful side effects.

  • Objective of Patent Landscape

We, at Origiin, prepared this Patent Landscape Report for Cisplatin Nanoparticle Formulation to understand various trends with regard to patent activity in this space. We have analyzed the patents filed, published and granted between 2019 and 2024. The search strategy used to generate the data to prepare the report is based on specific keywords.

We observed that the companies based in the US, China, Europe, Japan and Korea are major contributors of patent filings in the area of Cisplatin Nanoparticle Formulation. The leading patent filing companies include the Hangzhou Dac Biotech Co LTD, Legochem Bioscience Incorporated, University of California, Mayo foundation for Medical Education and Research and University of Chicago.

Search Strategy

PatSeer, a leading research platform for patent insights, was utilised for the landscape report to analyse the patents involving cisplatin nanoparticle formulation from the year 2019 till June of 2024.

The input search query was a combination of keywords and Boolean operators. The time frame was adjusted and an output of 2000+ records was obtained.

Based on this output, the patenting trends, competitors, top industries and top priority countries were analysed, and the data was presented graphically.

  • Parameters used for Patent Landscape Analysis

 

In this report, we studied the following parameters and trends:

  1. Patenting Trends from 2019 to 2024
  2. Distribution of Patents based on the Assignees
  3. Global Patent Filing Trends
  4. Technology classification based on IPC classification
  5. Activities of Competitors based on Area of Research (IPC)
  6. Estimated Top 10 industries and technology areas between 2019 and 2024
  7. Estimated Top 10 owners between 2019 and 2024
  8. Estimated Top 10 Assignee Countries between 2019 and 2024
  9. Estimated Top 10 Priority Countries between 2019 and 2024
  10. Estimated Top 10 Publication Countries between 2019 and 2024 
  • Patenting Trends from 2019 to 2024

Figure (1): Patenting Trends from 2019 to 2024

Figure 1 depicts the patents filed for Cisplatin Nanoparticle Formulation from the years 2015 to 2024 and patents granted from 2019 to 2024. The graph indicates the highest number of filed patents in the year 2020 with 330 patents. It was followed by a decrease to 302 patents in 2021. It further reduced to 210 patents in 2022 and 115 in 2023. The filing of patents has gradually decreased from 2020 to 2024.

  • Distribution of Patents based on the Assignees

Figure (2): Distribution of Patents based on the Assignees

Figure 2 showcases the top companies, Hangzhou Dac Biotech Co LTD holding 145 patents on Cisplatin Nanoparticles. Legochem Bioscience Incorporated takes second place with 76 patents. The next keyholder is the University of California with 66 patents. Mayo foundation for Medical Education and Research holds 28 patents followed by University of Chicago. with 28 patents. University of Michigan holds 28 patents. Massachusetts Institute of Technology holds close to 25 patents. University of North Carolina at Chapel Hill holds 24 patents in its name for Cisplatin Nanoparticle Formulation. Gilead Science Inc holds 21 patents and the last assignee is Purdue Research Foundation holds 21 patents.

  • Global Patent Filing Trends

Figure (3): Global Patent Filing Trends

Figure 3 shows the distribution of patents across countries based on their jurisdiction. The maximum number of patents, ie 412, were filed in the US (United States) and rest of the patents were issued in the other jurisdictions, such as, China (CN) with 373 patents, World Property Organization (WO) with 263 patents, Europe (EP) with 212 patents, Japan (JP) with 195Korea (KR) with 172 patents, Australia (AU) with 144 patents, Canada (CA) with 104 patents, India (IN) with 76 patents and Taiwan (TW) with 51 patents.

  • Technology classification based on IPC classification

Figure (4): Technology classification based on IPC classification

Figure 4 indicates the patent distribution based on the main IPC code. The top spot is occupied by the preparation for medical, dental or toilet purposes with 1899 patent families. Other major players include therapeutic activity of chemical compounds or medicinal preparations with 1259 patent families, Peptides with 545 patent families and microorganisms or enzymes; preparations thereof with 263 patent families. Heterocyclic compounds follows with 153 patents. Investigating or analyzing materials by determining their chemical or physical properties follows with 140 patents. Specific uses or applications of nanostructures; measurement or analysis of nanostructures; manufacture or treatment of nanostructures has close to 118 patents.  Measuring or testing processes involving enzymes holds 68 patents. Methods or apparatus for sterilizing materials or objects in general has 48 patents. Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds holds 45 patents, electrotherapy; magnetotherapy; radiation therapy; ultrasound therapy showcases 36 patents, sugars; derivatives thereof; nucleosides; nucleotides; nucleic acids has 31 patents, acyclic or carbocyclic compounds holds 28 patents and finally diagnosis; surgery; identification holds  23 patents.

  • Activities of Competitors based on Area of Research (IPC)

Figure (5): Activities of Competitors based on Area of Research (IPC)

Figure 5 depicts the distribution of patents based on competitors and area of research (IPC). The top spot is occupied by the Medicinal or veterinary science with 1992 patent families. Other major players include organic chemistry with 751 patent families followed by biochemistry with 307 patent families, measuring with 142 patents. Nanotechnology holds 123 patents, organic macromolecules with 77 patents, physical or chemical preparations with 18 patents, combinatorial technology with 14 patents and at the lower spectrum inorganic chemistry and dyes; paints; polishes with 10 patents each. 

  • Estimated Top 10 industries and technology areas between 2019 and 2024

Figure (6): Estimated Top 10 industries and technology areas between 2019 and 2024

Figure 6 indicates major industries and technology areas between 2019 and 2024. Basic Pharmaceutical Products and Pharmaceutical Preparation holds an overwhelming 2,035 records. This is followed by the Measuring, Testing, and Navigating Instruments industry, which has 137 records, placing it as the second highest. Basic Chemicals, Fertilizers, and Nitrogen Compounds comes next with 123 records, closely trailed by Electronic Components and Boards with 120 records. The Medical and Dental Instruments and Supplies industry has a notable 81 records. Irradiation, Electromedical, and Electrotherapeutic Equipment has 36 records, while Soap, Detergents, Cleaning, and Polishing Preparations accounts for 23 records. Both Other General Purpose Machinery and Other Special Purpose Machinery industries each have 6 records. Lastly, the Food Products industry has the fewest records, totaling 5.

  • Estimated Top 10 owners between 2019 and 2024

Figure (7): Estimated Top 10 industries and technology areas between 2019 and 2024

Figure 7 showcases that Hangzhou Dac Biotech Co LTD leads significantly with 145 records, indicating its substantial involvement in Cisplatin Nanoparticle Formulations. Legochem Bioscience Incorporated holds 76 records. University of California is also a major player with 66 records. Three entities— Mayo foundation for Medical Education and Research, University of Chicago and University of Michigan—each hold 28 records. The Massachusetts Institute of Technology is close with 25 records. The University of North Carolina at Chapel Hill holds 24 records. Both Gilead Science Inc and the Purdue Research Foundation possess 21 records each.

  • Estimated Top 10 Assignee Countries between 2019 and 2024

Figure (8): Estimated Top 10 Assignee Countries between 2019 and 2024

Figure 8 indicates US (United States) is the key assignee country with 899 patents and the rest assignee countries are issued to the inventors, China (CN) with 450 patents, Korea (KR) with 215 patents, Denmark (DE) with 47 patents, India (IN) with 37 patents, Taiwan (TW) with 33 patents, Australia (AU) with 32 patents, France (FR) with 29 patents, Ireland (IR) with 28 patents and Canada (CA) with 24 patents.

  • Estimated Top 10 Priority Countries between 2019 and 2024

Figure (9): Estimated Top 10 Priority Countries between 2019 and 2024

Figure 9 indicates that the United States (US) is the top priority country for Cisplatin Nanoparticle Formulation with 1,170 patents. China (CN) follows with 412 patents, Korea (KR) holds the third position with 200 patents. The European Patent Office (EP) with 86 records. India (IN) has 48 records, and the United Kingdom (GB) has 30 records.

  • Estimated Top 10 Publication Countries between 2019 and 2024

Figure (10): Estimated Top 10 Priority Countries between 2019 and 2024

Figure 10 indicates that the United States (US) is the top publication country for Cisplatin Nanoparticle Formulation with 413 patents. China (CN) follows with 373 patents, WO holds the third position with 264 patents. The European Patent Office (EP) with 212 records, Japan (JP) with 195 records, Korea (KR) with 172 patents, Australia (AU) with 145 patents, Canada (CA) with 104 patents, India (IN) has 76 records, and Taiwan (TW) with 51 patents.

  • Analysis of Major Suppliers

An analysis was performed to study the patents filed for Cisplatin Nanoparticle Formulation for the past five years and list out the major companies involved in the formulation of said patents. From the patent analysis, certain key players working on cisplatin nanoparticle formulation were identified.

The companies have been mentioned in the analysis of the graphical representation of patent applications under each parameter used for patent landscape analysis.

Some of the major companies involved in Cisplatin Nanoparticle Formulations are:

 

  • Conclusion

Cisplatin Nanoparticle is emerging as a popular alternative in chemotherapeutics. It has gained popularity in the past five years, with the number of patents filed increasing from the years 2017 to 2020 by the pharmaceutical industries. The study indicates that a major portion of the patents filed belong to the United States followed by China.

The company Hangzhou Dac Biotech emerged as the major player. The study also showed that the Pharmaceutical industry holds the most patents, followed by the Measuring, Testing, and Navigating Instruments industry.

Based on the list of top applicants, it is clear the leading patent filers include the Legochem Bioscience Inc, University of California, Mayo Foundation for Medical Education and Research, University of Chicago, University of Michigan, Massachusetts Institute of Technology, University of North Carolina at Chapel Hill, Gilead Science Inc and the Purdue Research Foundation.

Authors: Nikhita JS, PES University and Tapas DasIIT Kharagpur

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Interpretation of Non-Disclosure Agreements at the time of breach

Non-disclosure Agreements hereinafter referred to as NDAs are contracts that parties sign to protect their confidential information. This confidential information usually consists of trade secrets and formulas that are used by companies to achieve success in their respective industries. Therefore, NDAs are essential to prevent information from leaking to one’s competitors. Most NDA disputes boil down to a breakdown of trust i.e., someone sharing confidential information which they aren’t allowed to share either accidentally or intentionally. In such an event, companies approach court to seek redressal. This article explores how courts handle a breach of a NDA and the consequences that follow.

Statutory Provisions on NDAs

Since NDAs are essentially contracts, Indian courts rely on the Indian Contract Act, 1872 to determine their validity. If a NDA fulfils the requirements under the Act, the same is considered legally enforceable by law. Hence, in the event of a breach, the aggrieved party can recover damages as per Sections 73 and 74 of the Indian Contract Act, 1872. Further recourse is provided under various acts inclusive of the Information Technology Act, 2000 and the Copyright Act, 1957.

Judicial Approaches to NDAs

Indian courts have dealt with several cases of breach of a NDA and have offered valuable insight and principles behind such agreements.

Courts often utilize an order of injunction which is a court order that prevents a party from performing a specific act which could be detrimental to the aggrieved party. Since the leak of confidential information can have adverse effects, courts often invoke this order. This is seen in cases such as Homag India Private Limited v. Mr. Ulfath Hussain and Others (2016). This was a Karnataka High Court judgment whether the defendant was an employee who had the access to the plaintiff companies’ confidential information. The plaintiff had alleged that the defendant had leaked said information to a rival company. Following the review of evidence and the facts of the case, the High Court remarked that the trial court should have granted an order of temporary injunction. This affirms how important an injunction order is to the aggrieved party so that further information is not leaked.

Another landmark judgement which further establishes the enforcement of a NDA was the Bombay High Court case of Zee Telefilms Ltd. v. Sundial Communications Pvt. Ltd. (2003). In this case, the plaintiff company had approached the defendant with a creative concept idea for a television program. After presenting it, the plaintiff company did not hear from the defendant and later found that their original concept was being used for a show without their permission. The plaintiff alleged a breach of confidential information and the court ruled that they found the original concept as well as the defendant’s work to be similar in nature and granted an injunction preventing the defendant from airing the stolen idea.

However, a popular question that is debated in the public forum is whether NDAs can be unreasonably restrictive of an individual’s rights? This is particularly noticed in cases where the employee’s rights in a company contract are being dealt with. The courts usually interpret such cases in an attempt of balancing public policy and interests as well as the rights of companies. In the Bombay High Court case of V.F.S. Global Services Pvt. Ltd. v. Mr. Suprit Roy (2008), the court observed that when it comes to employee confidentiality agreements, it is important to ensure that it the same is not  unreasonably restrictive of the individual rights of the employee. Another landmark judgement with regards to this is the Supreme Court case of Niranjan Shankar Golikari v. Century Spinning and Manufacturing Co. Ltd. (1967). This case concerned post-termination employment restraints. The court in this case sought to limit an over-extensive application of a post termination employment restraint. While restraints during the course of employment were upheld, only a partial restraint and not an absolute restraint is allowed. For instance, restrictive clauses can only abstain an employee from divulging confidential information but cannot prevent the employee from joining a rival company as that would be considered an absolute restraint.

While upholding NDA’s is vital in ensuring that businesses flourish, courts have attempted to recognize the need for a balanced approach which takes into account both employee and company rights. Since NDAs are inherently restrictive in nature, the courts approach reaffirms the principle of a balance of rights.

Author: Ambika Menon, O. P. Jindal Global University

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Due Diligence of Patent Portfolio at the Time of Acquiring a Company

At the time of Merger and Acquisition (M&A) of a company there are manifold considerations that need to be looked at. One such consideration, an important one, is the Intellectual Property (IP) of the company, especially in the form of patents. The due diligence of the patent portfolio plays a crucial role in not only understanding and evaluating the market value of the portfolio, but also to keep in mind the liabilities that may accrue to maintain such patents in various jurisdictions. Due diligence of the portfolio also ensures that all patents including family patents are docketed, screened, valuated, and transferred in an effective manner and to finally evaluate the value, market potential and liabilities of the acquiring patent portfolio. While it is important that due diligence of other IP forms such as trademarks, designs and copyrights are also performed, this article will primarily focus on the patent portfolio of the company.

IP Audits

To initiate due diligence of a patent portfolio, the first and foremost step is conducting an IP Audit wherein all granted patents and filed applications (collectively termed as patent documents) should be listed and compiled, followed by checking the legal status of the patent documents in every country they are filed or granted. In the case of patent applications, it is necessary to check if there are any pending actions against them in terms of responding to any office action or payment of any pending fees.

In case of granted patent applications, it is important to perform legal status checks of those patents. If the patent is expiring soon, it may not be of much value to the company. For granted patents, a check must be performed to see if any action is needed to maintain such patents.

Registered IP should be docketed to keep a watch on important official timelines such as responding to official communication or payment of renewal to maintain it. As part of docketing, it is worthwhile to note down the term of the IP which remains. For instance, if there remain only a few months for a patent to expire, it may not be best decision to transfer the patent to the buyer as transferring a patent requires amendments in its forms which may neither be advantageous to the buyer nor the seller.

Additionally, gathering information related to apposition, revocation, litigation or infringement of the patents of the company is also crucial.

Relevance of Patents for the Business

The patent portfolio that is to be acquired may contain certain patents may be irrelevant to the buyer’s business. In such cases, there may be not much use in transferring such patents the buyers’ company. Instead, alternatives such as out-licensing the IP may be explored, or, if the IP is not strong enough to be registered, it may be published as a research paper as well. Sometimes, companies also consider donating some of their IP or abandoning it or letting it expire, depending on the relevance and importance of such IP for the business.

Categorization of Similar Patents

In order to determine the valuation of patents, similar patents may be categorized together, and appropriate methodologies should be used to ascertain their collective value. Depending upon the value of patent portfolio, the decision to retain or license may be taken.

Transfer of Rights

Acquisition of a patent portfolio is complete only after the amendment is made in the name of the patentee and is done in the respective patent office. Therefore, it is pertinent to get in touch with the attorney who is in charge of the case to ensure that such amendments are made in time. This process also involves payment of certain sums as government and attorney fees.

Understanding Liability

The buyers must be aware of the fact that acquiring IP of another company brings a lot of liabilities with it. In order to get the IP transferred in the name of the buyers, at the time of acquisition, a lot of amendments are to be made in the official records in the office where such IP is registered. Most times buyers prefer in a change in the attorney handling such cases as well, which may lead to additional expenditure for them. Even after the IP is acquired and the required amendments are made in the official records, other liabilities such as annual fees to maintain the IP also have to be assessed regularly. Further, if any of the IPs are undergoing litigation or are opposed, due-diligence must be performed to ascertain the stage and the further course of action.

It is therefore evident that conducting exhaustive due diligence of patent portfolios is extremely important to understand the relevance, importance, value and liabilities before acquiring them.

Author: Bindu Sharma (CEO, Origiin IP Solutions LLP), Bhavya Sharma (BBA, LLB student of Jindal Global Law School)

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