On July 14, 2025 Fresenius filed two IPR petitions challenging Regeneron’s patents related to aflibercept. Regeneron has not asserted that Fresenius infringes either of these patents in district court litigation; however,...more
7/31/2025
/ Biosimilars ,
Fresenius ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Pharmaceutical Patents ,
Prior Art ,
Regeneron
There are four pending BPCIA litigations brought by Amgen against biosimilar companies seeking to market denosumab biosimilars. Two of the four cases are pending in the District Court for the District of New Jersey before...more
Last week, GlaxoSmithKline and Northwestern University filed separate lawsuits against Moderna, accusing its mRNA-based vaccines of patent infringement....more
On January 10, 2024, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed a Complaint in the U.S. District Court for the Central District of California against Amgen Inc. (“Amgen”) alleging infringement of 32 patents under the...more
On December 8, 2023, the FDA approved the first cell-based gene therapies for the treatment of sickle cell disease (SCD) in patients 12 years and older—Vertex’s CASGEVY and Bluebird’s LYFGENIA. SCD is a group of inherited...more
On March 1, 2023, Janssen filed a motion for preliminary injunction in Janssen Biotech, Inc. v. Amgen Inc., C.A. No. 22-1549-MN, seeking to enjoin Amgen from the commercial manufacturing, sale, and offer for sale of ABP 654,...more
Biogen seeks a preliminary injunction in its BPCIA case against Sandoz related to Sandoz’s proposed biosimilar of TYSABRI (natalizumab). On October 20, 2022, the Court issued a sealed order on the parties’ joint...more
Mylan recently filed two IPR petitions seeking cancellation of various claims of patents assigned to Regeneron relating to dosing regimens for EYLEA® (aflibercept): IPR2022-01225 challenging claims 1, 3-11, 13-14, 16-24, and...more
Celltrion recently announced that it will start selling Yuflyma, an adalimumab biosimilar, in the U.S. in July 2023. The announcement stems from Celltrion’s recently inked patent agreement with AbbVie which allows Celltrion...more