Fintiv, Inc. v. PayPal Holdings, Inc., No. 2023-2312 (Fed. Cir. (W.D. Tex.) Apr. 30, 2025). Opinion by Prost, joined by Taranto and Stark. Fintiv sued PayPal for infringement of four patents directed to “cloud-based...more
The US Court of Appeals for the Federal Circuit affirmed a district court’s ruling that a software term was a “nonce” term that invoked 35 U.S.C. § 112, sixth paragraph (i.e., a means-plus-function claim element). The Court...more
In Rain Computing, Inc. v. Samsung Elecs. Co., No. 2020-1646 (Fed. Cir. Mar. 2, 2021), the Federal Circuit reversed a judgment of non-invalidity and in doing so provided clarity to its post-Williamson (792 F.3d 1339 (Fed....more
Addressing both the circumstances that lead to a claim limitation invoking a means-plus-function construction and indefiniteness issues for means-plus-function claims, the US Court of Appeals for the Federal Circuit affirmed...more
On September 23, 2010, Eon filed suit against seventeen defendants in the District Court of the District of Delaware, alleging infringement of U.S. Patent No. 5,663,757. During the case, the '757 patent went through two...more
The U.S. Court of Appeals for the Federal Circuit, sitting en banc for the limited purpose of revisiting when claims invoke the means-plus-function language of 35 U.S.C. § 112, ¶ 6 (§ 112(6)) (now § 112(f)) replaced a part of...more
Accused infringers challenging patent claims now have a new arrow in their quiver as a result of yesterday's holding in Williamson v. Citrix Online, et al. In an en banc decision, the Federal Circuit replaced an earlier...more
Yesterday, the Federal Circuit issued a decision in Williamson v. Citrix that includes an en banc portion that broadens the circumstances in which claim limitations may be deemed means-plus-function limitations. This appears...more