On May 27, 2025, Fresenius Kabi (“Fresenius”) announced that the EMA’s Committee for Medicinal Products for Human Use (“CHMP”) had issued positive opinions for Fresenius’s two denosumab biosimilar candidates....more
On April 16, 2025, EmblemHealth, Inc. (“Emblem”) filed a class action suit in the District Court for the District of Massachusetts against Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd....more
On February 5, 2025 Valneva SE (“Valneva”) announced that the United Kingdom’s Medicines and Healthcare products Regulatory Agency (MHRA) granted marketing authorization for Valneva’s chikungunya vaccine, IXCHIQ. ...more
The European Medicines Agency’s (EMA) Committee for Medicinal Use Products (CHMP) recently recommended approval of six new biosimilars....more
On November 8, 2024 Autolus, Inc. (“Autolus”) announced that the FDA has approved AUCATZYL (obecabtagene autoleucel) for the treatment of adult patients with relapsed or refractory B-cell precursor acute lymphoblastic...more
On October 4, 2024, Amgen filed a BPCIA complaint in the District Court for the Northern District of Illinois Eastern Division against Fresenius Kabi related to Fresenius Kabi’s proposed biosimilar of Amgen’s PROLIA and...more
As we have previously reported, the Inflation Reduction Act (IRA) changed the government’s treatment of certain prescription drugs under the Medicare program by directing the Secretary of Health and Human Services (HHS) to...more
In Pfizer Inc., v. Sanofi Pasteur Inc., SK Chems Co. Ltd., v. Vidal, 2019-1871 (March 5, 2024), the Federal Circuit affirmed the Board’s conclusions that claims 1–45 of U.S. Patent No. 9,492,559 were unpatentable due to...more
9/6/2024
/ Administrative Review ,
America Invents Act ,
Claim Construction ,
Interim Guidance ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Prior Art ,
USPTO
On July 23, 2024, the FDA issued a draft guidance entitled “Postapproval Manufacturing Changes to Biosimilar and Interchangeable Biosimilar Products Questions and Answers.”...more
As we previously reported, Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) sued Samsung Bioepis Co. Ltd. (“Samsung”) in January 2024 in the U.S. District Court...more
On April 15, 2024, Fresenius Kabi announced the U.S. launch of its ACTEMRA biosimilar, TYENNE (tocilizumab-aazg) as an intravenous formulation...more
The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This periodic digest is designed to keep you up-to-date by highlighting interesting PTAB,...more
4/5/2024
/ Amgen v Sanofi ,
Comment Period ,
Confidential Information ,
Daubert Ruling ,
Enablement Inquiries ,
Inter Partes Review (IPR) Proceeding ,
Motion to Amend ,
NPRM ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
Prior Art ,
USPTO
On March 7, Fresenius Kabi announced that the FDA has approved its tocilizumab biosimilar, TYENNE (tocilizumab-aazg) for inflammatory and immune diseases indications including rheumatoid arthritis, giant cell...more
As we have previously reported, in November 2023 Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed complaints against Celltrion, Samsung Bioepis and Formycon (collectively, “the Defendants”) in the U.S. District Court for...more
On October 23, 2023, Celltrion announced FDA approval for ZYMFENTRA (infliximab-dyyb), a subcutaneous formulation for maintenance therapy for patients with moderately to severely active ulcerative colitis and Crohn’s disease....more
As we previously reported, in July 2023 Genentech, Inc., Hoffmann-LaRoche, Inc., and Chugai Pharmaceutical Co., Ltd. (collectively, “Genentech”) filed BPCIA litigation against Biogen MA Inc. and Bio-Thera Solutions,...more
We previously reported on patent infringement litigations between Alnylam and Moderna. Below we provide updates on two proceedings involving the mRNA vaccine producer Moderna....more
In August 2023, the Food and Drug Administration issued two draft guidance, both related to the development of biosimilar products, entitled “Formal Meetings between the FDA and Sponsors or Applicants of BsUFA Products” and...more
As we have previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding on an expedited schedule, with a two-week trial scheduled to begin on June 12, 2023, in the...more
On January 6, 2023, Genentech and Tanvex reached a settlement in principle to resolve all claims with respect to Genentech’s BCPIA complaint. As we previously reported, Genentech filed a complaint against Tanvex in June 2022,...more
This month, Genentech announced a voluntary recall of the ranibizumab injection (SUSVIMO) ocular implant and associated insertion tool. SUSVIMO, which provides continuous administration of the anti-VEGF (vascular...more