Last week, Celltrion filed an IPR petition, PTAB IPR2023-00462, seeking cancellation of claims 1-18 of U.S. Patent No. 10,464,992 (“the ’992 patent”), assigned to Regeneron Pharmaceuticals, Inc. According to the Petition, the challenged claims of the ’992 patent “encompass a formulation comprising the VEGF inhibitor protein, aflibercept, which Regeneron markets…
As we previously reported, Mylan recently filed three IPR petitions challenging claims of Regeneron patents directed to treating angiogenic eye disorders with aflibercept, the active ingredient in Regeneron’s Eylea product—IPR2022-01225 (challenging U.S. Patent No. 10,130,681), IPR2022-01226 (challenging U.S. Patent No. 10,888,601), and IPR2023-00099 (challenging U.S. Patent No. 10,857,205). This week, the PTAB granted institution on two…
On Jan 9, Coherus BioSciences, Inc. (“Coherus”) announced that it has agreed to acquire the exclusive commercialization rights to FYB203, a biosimilar referencing EYLEA (aflibercept) from Klinge Biopharma GmbH (“Klinge Biopharma”) in the US. The parties expect to complete the transaction in Q1 2023. Coherus plans to file an abbreviated…
As we ring in the new year, we look back at the top legal developments of 2022 that could influence the market for biologics and biosimilars. There were many interesting decisions and other developments in district court, at the Federal Circuit, and at the PTAB. Below is our recap of…
On Friday, December 16, 2022, Regeneron moved to dismiss Mylan’s inequitable conduct defense and counterclaim against two of the six patents asserted in the parties’ BPCIA suit concerning Mylan’s proposed biosimilar to EYLEA. As previously reported, Regeneron narrowed the twenty-four patents originally asserted against Mylan to six following the Northern…
As we previously reported, the Northern District of West Virginia ordered an expedited trial in Regeneron’s aflibercept BPCIA case against Mylan. Regeneron had asserted 24 patents in its complaint. As required by the court’s scheduling order, on October 28, Regeneron identified six patents for the first phase of the litigation. …
On Tuesday, December 6, Regeneron filed an expedited motion to compel Mylan’s compliance with the protective order in the parties’ BPCIA litigation concerning Mylan’s proposed aflibercept biosimilar of EYLEA. Regeneron alleges that Mylan has improperly “designated the entire 1,000,000+ pages of its biosimilar application and regulatory file as ‘Outside Counsel’s…
On November 9, 2022, the PTAB issued final written decisions in IPR2021-00880 and IPR2021-00881, filed by Mylan on two Regeneron patents related to aflibercept—U.S. Patent Nos. 9,254,338 and 9,669,069. The PTAB ruled in Mylan’s favor in both IPRs, holding all challenged claims of both patents invalid as anticipated by the same…
Mylan Pharmaceuticals Inc. recently filed an IPR petition, PTAB-IPR2023-00099, seeking cancellation of claims 1-3 of U.S. Patent No. 10,857,205, assigned to Regeneron Pharmaceuticals, Inc. According to the petition, the claims “are drawn to monthly dosing [of aflibercept] to treat an angiogenic eye disorder.” The Petition sets forth three anticipation grounds and…
As we reported last week, the Northern District of West Virginia court has ordered an expedited trial in Regeneron’s aflibercept BPCIA case against Mylan. As required by the court’s scheduling order, on October 28, Regeneron identified six patents for the first phase of the litigation. Regeneron also agreed that “it will…