Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
The Briefing: A Prototypical Corporate Salesperson is Not Patentable
Podcast: The Briefing - A Prototypical Corporate Salesperson is Not Patentable
Ways to Amend the Claims in the Patent Invalidation Proceedings
Patent Right Evaluation Report in China’s Patent System
Stages of Patent Invalidation Proceedings
ACI’s virtual Annual Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA equips early-career professionals with the legal and regulatory fluency needed to contribute meaningfully to product strategy and...more
Denosumab Challenged Claim Types in Litigation: Claims are counted in each litigation, so claims from the same patent challenged in multiple litigations are counted more than once. Within each litigation a claim is counted...more
Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more
On July 14, 2025, Fresenius Kabi filed IPR2025-01268 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”) and IPR2025-01269 against U.S. Patent No. 10,828,345 (“the ’345 patent”), both relating to EYLEA®...more
Trastuzumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
The United States Court of Appeals for the Federal Circuit recently affirmed a district court ruling that a pharmaceutical dosing claim limitation was unpatentable due to obviousness-type double patenting. The court found...more
Note: This post addresses two Federal Circuit decisions issued on January 29, 2025. Both appeals involved Plaintiff-Appellee Regeneron Pharmaceuticals, Inc., with the first appeal involving Defendant-Appellant Formycon AG...more
Premier forum which shapes the law, policy, and proceedings of Paragraph IV Litigation is back to New York City on April 26-27! Pharmaceutical patent practitioners from across the globe attend this flagship conference to...more
15 Years of Pharma & Biotech Patent Litigation in Europe - C5’s Pharma & Biotech Patent Litigation in Europe will take place 23–24 February, 2022 in Amsterdam, the Netherlands. This is the only industry-shaping event that...more
The Biologics Price Competition and Innovation Act (BPCIA) provides for a series of disclosures between a biosimilar applicant and the innovator company, commonly referred to as the “patent dance.” 42 U.S.C. §262(l). While...more