After ten years of litigation, the Federal Circuit found that the district court conducted an improper collateral estoppel analysis and upheld ParkerVision’s position on each of the appealed issues.[1]
This case addresses[1] the application of issue preclusion in scenarios where two closely related cases allege patent infringement against different versions of the same technology. Specifically, this case discusses whether a party’s waiver of a doctrine-of-equivalents theory in an initial lawsuit extends to a subsequent case involving a newer iteration of the technology previously
Celanese International Corporation, Celanese (Malta) Company 2 Limited, and Celanese Sales U.S. Ltd. (collectively, “Celanese”) filed a petition before the United States International Trade Commission (the “ITC”), alleging that Anhui Jinhe Industrial Co., Ltd., Jinhe USA LLC (collectively “Jinhe”) and other entities violated 19 U.S.C. § 337.[1] Celanese alleged that Jinhe and other entities
Speck v. Bates, No. 2023-1147 (Fed. Cir. May 23, 2024) addressed two issues, (1) whether courts should apply a one-way test or a two-way test to determine if pre-critical claims materially differ from post-critical claims, such that an exception to the one-year time-bar on interference proceedings applies, and (2) whether Bates’ pre-critical claim language materially
This Federal Circuit opinion addresses a district court’s decision granting plaintiff’s motion for a preliminary injunction.[1]
Luv N’ Care, Ltd. and Nouri E. Hakim v. Lindsey Laurain and Eazy-PZ, LLC, Nos. 2022-1905, 2022-1970 (Fed. Cir. April 12, 2024) addressed several issues, including: (1) what evidence of litigation misconduct may support a finding of unclean hands, barring relief for related claims, (2) the appropriate legal analysis for finding a patent unenforceable due
This decision[1] emphasizes the significance of broader public dissemination to meet the statutory requirement of “publicly disclosed” for purposes of exceptions to prior art under 35 U.S.C. § 102(b)(2)(B).
In Voice Tech Corp., v. Unified Patents, LLC 2022-2163 (Fed Cir. August 1, 2024), the court addresses whether failure to re-raise arguments in a request for rehearing before the Patent Trial and Appeals Board (“PTAB”) forfeits such arguments on appeal to the Federal Circuit. This case also addresses what an appellant must show to
This article was first published by ALM / Law.com in The Intellectual Property Strategist
The case of Amarin Pharma, Inc. and its affiliates versus Hikma Pharmaceuticals USA Inc. and Hikma Pharmaceuticals PLC presents a fascinating intersection of patent law, FDA regulatory strategy, and pharmaceutical marketing. Central to this legal dispute are U.S. Patents 9,700,537 and 10,568,861, owned by Amarin, which describe methods of reducing cardiovascular risk by administering icosapent
