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On April 22, 2025, the U.S. District Court for the Northern District of West Virginia entered a Stipulation and Order Vacating Permanent Injunction and Dismissing All Claims and Counterclaims with Prejudice in In re:...more
Case Name: Mylan Pharms. Inc. v. Bayer Intellectual Property GmbH, C.A. No. 23-556-RGA, 2024 WL 359468 (D. Del. Jan. 31, 2024) (Hatcher, M.J.) - Drug Product and Patent(s)-in-Suit: Xarelto® (rivaroxaban); U.S. Patents Nos....more
As we previously reported, trial in Regeneron Pharmaceutical, Inc.’s BPCIA case against Mylan Pharmaceuticals Inc. and Biocon Biologics, Inc. (collectively, “the Biocon Defendants”) regarding the Biocon Defendants’...more
On April 12, 2024, the Federal Circuit dismissed CAFC Appeal No. 24-1402 and Cross-Appeal No. 24-1405 for lack of jurisdiction following its February 22, 2024 order directing Regeneron and Mylan / Biocon to show cause why the...more
Appeals from and redacted memorandum and opinion in support of judgment in Regeneron v. Mylan (aflibercept) BPCIA case filed - As we previously reported, trial in Regeneron Pharmaceutical, Inc.’s BPCIA case against Mylan...more
On January 9, 2024, the PTAB issued final written decisions in IPR2022-01225 and IPR2022-01226, filed by Mylan on two Regeneron patents directed to dosing of aflibercept — U.S. Patent Nos. 10,130,681 and 10,888,601. The PTAB...more
Proper construction of claim limitations reciting the chemical property of pH (which denotes the concentration of hydrogen ions in a solution as an indication of acidity) has arisen several times in district court and Federal...more
Federal Circuit Orders District Court to Consider Extrinsic Evidence in Claim Construction - In Actelion Pharmaceuticals Ltd. v. Mylan Pharmaceuticals Inc., Appeal No. 22-1889, the Federal Circuit held that where a...more
In a recent precedential opinion, the Court of Appeals for the Federal Circuit vacated an infringement judgement against Mylan (Actelion Pharmaceuticals Ltd. v. Mylan Pharmaceuticals Inc., No. 2022-1889, Fed. Cir. Nov. 6,...more
On August 18, Samsung Bioepis Co., Ltd. (“Samsung Bioepis”), filed a petition for Inter Partes Review, IPR2023-01312, challenging the validity of claims 1-18 of U.S. Patent No. 10,464,992, assigned to Regeneron...more
The Federal Circuit reversed a Patent Trial and Appeal Board (“Board”) decision finding the challenged claims of Sanofi-Aventis’ ’614 patent unpatentable as obvious....more
We previously reported on the opening post-trial briefs in Regeneron’s BPCIA case against Mylan and Biocon (who was added as a defendant after the original defendant, Mylan, transferred its rights to the aflibercept...more
In an opinion released July 27, 2023, the Third Circuit affirmed a 2021 Tax Court decision upholding a pharmaceutical company’s immediate deduction of patent defense litigation costs in suits brought under the Hatch-Waxman...more
In Sanofi-Aventis Deutschland GmbH v. Mylan Pharm. Inc., Case No. 2021-1981, the Federal Circuit reversed an obviousness determination by the PTAB. At issue was Sanofi’s reissued U.S. Patent No. RE47,614 (the ’614 patent),...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
As we have previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding in the U.S. District Court for the Northern District of West Virginia, with a two-week trial...more
The US Court of Appeals for the Federal Circuit reversed a Patent Trial & Appeal Board obviousness decision, finding that a prior art reference relating to automotive engine parts was not analogous art to the challenged...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. On...more
As we 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, less than a...more
On March 10, 2023, the PTAB denied institution of IPR2022-1524, filed by Apotex Inc. regarding Regeneron’s Patent No. 11,253,572. As we previously reported, Apotex filed an IPR petition against the ’572 patent in...more
The USPTO published Revision 07.2022 of the Ninth Edition of the Manual of Patent Examining Procedure (MPEP). A change summary is available here....more
Celltrion and Samsung recently filed IPR petitions challenging claims of Regeneron patents directed to treating angiogenic eye disorders with aflibercept. Specifically, Celltrion and Samsung have each filed petitions...more
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...more
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....more
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....more