The Federal Circuit issued an opinion on July 29 affirming the District Court for the District of Delaware’s dismissal of Amgen Inc. and Amgen Manufacturing Ltd.’s (collectively, “Amgen”) complaint alleging infringement of U.S. Patent 8,273,707 (the “’707 Patent”) for failure to state a claim. The district court held that prosecution history estoppel barred Amgen from succeeding on its infringement claim under the doctrine of equivalents. Amgen Inc. v. Coherus BioSciences, Inc., No. 18-1993 (Fed Cir. July 29, 2019) (Before Reyna, Hughes, and Stoll, Circuit Judges) (Opinion for the Court, Stoll, Circuit Judge).
Litigation
- ‘Reasonable Efforts’ Require Care and Consistency
- CAFC Sends Centripetal Back to Drawing Board in Case with Cisco Due to Judge’s Stock
- Note to Senators: U.S. Patent Office Remains Under a Permanent Injunction
- ‘Sacrifices’: PTAB Reform Act Would Limit Fintiv Denials
- Conflicting Precedent for the Supreme Court in American Axle
Recent Posts
- USPTO Report Underscores Split on State of U.S. Patent Eligibility Jurisprudence
- ‘Reasonable Efforts’ Require Care and Consistency
- CAFC Sends Centripetal Back to Drawing Board in Case with Cisco Due to Judge’s Stock
- Other Barks & Bites for Friday, June 24: Congressional Hearings Focus on PTAB Reforms, French Regulators Accept Google’s Copyright Payment Framework, and DOJ Announces Settlement with Meta Over Biased Ad Algorithm
- Sotera Declarations Less Likely Given Vidal Memo on PTAB Discretion