40 cases on record
- Cases on record
- 40
- As claimant
- 31
- As respondent
- 9
- Patents held
- Not recorded
- Core tech
- C07D487/04 · A61K31/519 · A61K31/365 · A61K31/445 · A61K31/4439 · C07D401/06 · C07D263/57 · A61K31/423 · A61K38/12 · A61K38/13
| Case no. | Parties | Role | Court | Filed | Duration | Outcome |
|---|---|---|---|---|---|---|
| 1:25-cv-01202 | Pfizer, Inc. v. Prinston Pharmaceutical, Inc. | Plaintiff | D. Del. | 26 Sep 2025 | 7 d | Voluntary dismissal |
| 1:25-cv-00775 | Pfizer, Inc. v. Apotex, Inc. | Plaintiff | D. Del. | 23 Jun 2025 | 119 d | Dismissed without Prejudice |
| 1:25-cv-00765 | Pfizer, Inc. v. Apotex, Inc. | Plaintiff | D. Del. | 20 Jun 2025 | 42 d | Dismissed without Prejudice |
| 1:25-cv-00632 | Pfizer, Inc. v. Macleods Pharmaceuticals | Plaintiff | D. Del. | 21 May 2025 | 55 d | Dismissed without Prejudice |
| 1:25-cv-00617 | Pfizer, Inc. v. Somerset Therapeutics LLC | Plaintiff | D. Del. | 16 May 2025 | 138 d | Dismissed without Prejudice |
| 1:25-cv-00565 | Pfizer, Inc. v. Alkem Laboratories, Ltd. | Plaintiff | D. Del. | 7 May 2025 | 44 d | Dismissed without Prejudice |
| 1:25-cv-00424 | Pfizer, Inc. v. Annora Pharma Private, Ltd. | Plaintiff | D. Del. | 4 Apr 2025 | 39 d | Voluntary dismissal |
| 1:24-cv-01427 | Pfizer, Inc. v. Alkem Laboratories, Ltd. | Plaintiff | D. Del. | 30 Dec 2024 | 64 d | Dismissed without Prejudice |
| 1:24-cv-01244 | Pfizer, Inc. v. Sandoz, Inc. | Plaintiff | D. Del. | 12 Nov 2024 | 218 d | Dismissed without Prejudice |
| 1:24-cv-01122 | Pfizer, Inc. v. Breckenridge Pharmaceutical, Inc. | Plaintiff | D. Del. | 9 Oct 2024 | 35 d | Dismissed without Prejudice |
| 1:24-cv-00953 | Pfizer, Inc. v. Ajanta Pharma | Plaintiff | D. Del. | 16 Aug 2024 | 66 d | Case Dismissed |
| 1:24-cv-00927 | Pfizer, Inc. v. SpecGx, LLC | Plaintiff | D. Del. | 9 Aug 2024 | 95 d | Dismissed without Prejudice |
| 1:24-cv-00757 | Pfizer, Inc. v. Biocon, Ltd. | Plaintiff | D. Del. | 26 Jun 2024 | 75 d | Dismissed without Prejudice |
| 1:24-cv-00627 | Pfizer, Inc. v. Teva Pharmaceutical Industries, Ltd. | Plaintiff | D. Del. | 23 May 2024 | 603 d | Closed |
| 1:23-cv-01304 | Pfizer, Inc. v. Dexcel Pharma Technologies, Ltd. | Plaintiff | D. Del. | 15 Nov 2023 | 152 d | Dismissed without Prejudice |
| 1:23-cv-00924 | Pfizer, Inc. v. Zenara Pharma Private, Ltd. | Plaintiff | D. Del. | 23 Aug 2023 | 979 d | Dismissed without Prejudice |
| 1:23-cv-00879 | Pfizer, Inc. v. Dexcel Pharma Technologies Limited | Plaintiff | D. Del. | 10 Aug 2023 | 992 d | Dismissed without Prejudice |
| 1:23-cv-00831 | Glaxosmithkline Biologicals, SA v. Pfizer, Inc. | Defendant | D. Del. | 2 Aug 2023 | 611 d | Dismissed with Prejudice |
| 1:23-cv-00717 | Pfizer, Inc. v. Aurobindo Pharma, Ltd. | Plaintiff | D. Del. | 30 Jun 2023 | 168 d | Dismissed without Prejudice |
| 1:23-cv-00718 | Pfizer, Inc. v. Sun Pharmaceutical Industries, Inc. | Plaintiff | D. Del. | 30 Jun 2023 | 56 d | Dismissed without Prejudice |
| 1:23-cv-00634 | Pfizer, Inc. v. Annora Pharma Private, Ltd. | Plaintiff | D. Del. | 9 Jun 2023 | 77 d | Dismissed without Prejudice |
| 3:23-cv-01048 | Promosome, LLC v. Pfizer, Inc. | Defendant | S.D. Cal. | 6 Jun 2023 | 146 d | Voluntary dismissal |
| 1:23-cv-00578 | Alnylam Pharmaceuticals, Inc. v. Pfizer, Inc. | Defendant | D. Del. | 26 May 2023 | 796 d | Judgment on the merits for Defendant |
| 1:23-cv-00445 | Pfizer, Inc. v. Apotex, Inc. | Plaintiff | D. Del. | 21 Apr 2023 | 41 d | Voluntary dismissal |
| 23-1404 | uniQure BioPharma BV v. Pfizer, Inc. | Defendant | Fed. Cir. | 18 Jan 2023 | 855 d | Unpatentable |
| 23-1405 | uniQure BioPharma BV v. Pfizer, Inc. | Defendant | Fed. Cir. | 18 Jan 2023 | 855 d | Unpatentable |
| 23-1406 | uniQure BioPharma BV v. Pfizer, Inc. | Defendant | Fed. Cir. | 18 Jan 2023 | 855 d | Unpatentable |
| 1:22-cv-01501 | Pfizer, Inc. v. Sun Pharmaceutical Industries, Inc. | Plaintiff | D. Del. | 16 Nov 2022 | 69 d | Voluntary dismissal |
| 1:22-cv-01484 | Pfizer, Inc. v. Sinotherapeutics, Inc. | Plaintiff | D. Del. | 11 Nov 2022 | 692 d | Dismissed without Prejudice |
| 1:22-cv-00924 | Alnylam Pharmaceuticals, Inc. v. Pfizer, Inc. | Defendant | D. Del. | 12 Jul 2022 | 1114 d | Case Consolidated |
| 1:22-cv-10967 | Enanta Pharmaceuticals, Inc. v. Pfizer, Inc. | Defendant | D. Mass. | 21 Jun 2022 | 958 d | Judgment on the merits for Defendant |
| 1:22-cv-00336 | Alnylam Pharmaceuticals, Inc. v. Pfizer, Inc. | Defendant | D. Del. | 17 Mar 2022 | 1231 d | Judgment on the merits for Defendant |
| 1:21-cv-01567 | Pfizer, Inc. v. Synthon Pharmaceuticals, Inc. | Plaintiff | D. Del. | 3 Nov 2021 | 716 d | Case Remanded |
| 1:21-cv-01427 | Pfizer, Inc. v. Sinotherapeutics, Inc. | Plaintiff | D. Del. | 6 Oct 2021 | 1093 d | Dismissed without Prejudice |
| 1:21-cv-00157 | Pfizer, Inc. v. Synthon Pharmaceuticals, Inc. | Plaintiff | M.D.N.C. | 25 Feb 2021 | 1030 d | Case Dismissed |
| 19-2224 | Pfizer, Inc. v. Sanofi Pasteur, Inc. | Plaintiff | Fed. Cir. | 2 Aug 2019 | 1677 d | Appeal Dismissed in Part |
| 19-1871 | Pfizer, Inc. v. Merck Sharp & Dohme Co., Inc. | Plaintiff | Fed. Cir. | 14 May 2019 | 1757 d | Appeal Dismissed in Part |
| 19-1873 | Pfizer, Inc. v. Merck Sharp & Dohme Co., Inc. | Plaintiff | Fed. Cir. | 14 May 2019 | 1757 d | Appeal Dismissed in Part |
| 19-1875 | Pfizer, Inc. v. Merck Sharp & Dohme Co., Inc. | Plaintiff | Fed. Cir. | 14 May 2019 | 1757 d | Appeal Dismissed in Part |
| 19-1876 | Pfizer, Inc. v. Merck Sharp & Dohme Co., Inc. | Plaintiff | Fed. Cir. | 14 May 2019 | 1757 d | Appeal Dismissed in Part |
Source: Patsnap Litigation Data. Cases naming Pfizer, Inc. in the current snapshot.
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Disclaimer. This page indexes publicly available court docket data and is provided for general information and reference only. It is not legal advice and must not be relied upon as such.
Coverage has limits. Records come from a snapshot and may lag live dockets. Sealed filings, amended complaints and post-closure motions may not be reflected, and a case missing from this list is not evidence that it does not exist. Counts on this page describe what the snapshot contains, nothing more.
No characterisation of any party. Appearing on this page means a party is named in a docket record. Nothing here should be read as an assertion that any party infringed, that any patent is valid or invalid, or that any party prevailed.