Amneal Pharmaceuticals has a total of 446 patents globally, out of which 248 have been granted. Of these 446 patents, 74.21% patents are active. United States of America is where Amneal Pharmaceuticals has filed the maximum number of patents, followed by Europe (EPO) and India. Parallelly, India seems to be the main focused R&D centre and also United States of America is the origin country of Amneal Pharmaceuticals.
Founded in 2002, Amneal Pharmaceuticals is a global biopharmaceutical company focused on developing, manufacturing, and commercializing high-quality generic, specialty, injectable, and biosimilar medicines. Leveraging advanced research, large-scale manufacturing capabilities, and expertise in complex drug development, the company delivers affordable and innovative therapies across a wide range of therapeutic areas. Amneal is committed to expanding access to essential medicines, improving patient outcomes, and addressing unmet healthcare needs worldwide.
In April 2026, Amneal Pharmaceuticals announced its agreement to acquire Kashiv BioSciences for up to $1.1 billion, marking a significant step in expanding its biosimilars business. The acquisition combines Kashiv BioSciences’ research, development, and manufacturing capabilities with Amneal’s commercial and operational expertise to build a global biosimilar leader. This strategic transaction strengthens Amneal’s biologics portfolio, enhances its end-to-end development and manufacturing capabilities, and reinforces the company’s commitment to delivering high-quality, affordable biosimilar therapies to patients worldwide.
Do read about some of the most notable patents of Amneal Pharmaceuticals covered in this article. You can also explore Amneal Pharmaceuticals patent portfolio, worldwide patent filing activity, patent filing trends over the years, and many other statistics related to its patent portfolio.
How many patents does Amneal Pharmaceuticals have?
Amneal Pharmaceuticals has a total of 446 patents globally. These patents belong to 98 unique patent families. Out of 446 patents, 256 patents are active.
How Many Patents did Amneal Pharmaceuticals File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | Amneal Pharmaceuticals Applications Filed | Amneal Pharmaceuticals Patents Granted |
| 2026 | 1 | 9 |
| 2025 | 16 | 26 |
| 2024 | 17 | 20 |
| 2023 | 18 | 18 |
| 2022 | 27 | 35 |
| 2021 | 48 | 36 |
| 2020 | 40 | 25 |
| 2019 | 65 | 10 |
| 2018 | 40 | 8 |
| 2017 | 20 | 5 |
How many Amneal Pharmaceuticals patents are Alive/Dead?
Worldwide Patents
How Many Patents did Amneal Pharmaceuticals File in Different Countries?
Top Countries in which Amneal Pharmaceuticals Filed Patents
| Country | Patent |
| United States of America | 163 |
| Europe (EPO) | 44 |
| India | 39 |
| Japan | 25 |
| Canada | 20 |
| Australia | 16 |
| Germany | 13 |
| Austria | 10 |
| Italy | 10 |
| Spain | 9 |
| Denmark | 7 |
| China | 7 |
| Turkey | 7 |
| Korea (South) | 7 |
| Hong Kong (S.A.R.) | 6 |
| Brazil | 6 |
| Israel | 5 |
| Mexico | 4 |
| Singapore | 3 |
| New Zealand | 3 |
| United Kingdom | 3 |
| South Africa | 2 |
| Philippines | 1 |
| Colombia | 1 |
| Malaysia | 1 |
| Poland | 1 |
| Russia | 1 |
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Where are Research Centres of Amneal Pharmaceuticals Patents Located?
10 Best Amneal Pharmaceuticals Patents
US8377474B2 is the most popular patent in the Amneal Pharmaceuticalsportfolio. It has received 58 citations so far from companies like Companies, Ranbaxy Laboratories Limited, Sandoz Ag and Civitas Therapeutics Inc.
Below is the list of most cited patents of Amneal Pharmaceuticals:
| Publication Number | Citation Count |
| US8377474B2 | 58 |
| US10292935B2 | 36 |
| US10688058B2 | 35 |
| US10987313B2 | 33 |
| US10973769B2 | 31 |
| US10098845B2 | 31 |
| US11357733B2 | 23 |
| US9227044B2 | 23 |
| US10052467B2 | 20 |
| US20180326191A1 | 20 |
What Percentage of Amneal Pharmaceuticals US Patent Applications Were Granted?
Amneal Pharmaceuticals (Excluding its subsidiaries) has filed 66 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 42 have been granted leading to a grant rate of 68.85%
Below are the key stats of Amneal Pharmaceuticals patent prosecution at the USPTO.
Which Law Firms are managing US Patents for Amneal Pharmaceuticals?
| Law Firm | Total Applications | Success Rate |
| Florek & Endres Pllc | 21 | 89.47% |
| Servilla Whitney Llc Amp | 21 | 33.33% |
| Greenblum & Bernstein P L C | 16 | 86.67% |
| Adriano & Associates | 2 | 100.00% |
| Amneal Pharmaceuticals (Inhouse IP Dept.) | 1 | 0% |
| Arentfox Schiff Llp | 1 | 100.00% |
| Choate Hall & Stewart Llp | 1 | 0% |
| Kilpatrick Townsend & Stockton Llp West Coast | 1 | 100.00% |
| Lerner David Llp | 1 | 0.00% |
| Patent Docket Administrator | 1 | 100.00% |
What are Amneal Pharmaceuticals key innovation segments?
What Technologies are Covered by Amneal Pharmaceuticals?
The chart below distributes patents filed by Amneal Pharmaceuticals