Patent law in Europe: What pharmaceutical companies need to know
In this edition of The Precedent, we outline the decision in Steuben Foods Inc. v. Shibuya Hoppmann Corp. This case addresses whether the reverse doctrine of equivalents (RDOE) is a viable defense to patent infringement....more
Conflicting expert testimony constituted substantial evidence supporting the jury’s rejection of a reverse doctrine of equivalents argument....more
On January 24, in Steuben Foods, Inc v. Shibuya Hoppman Corporation, the Federal Circuit found that Steuben had made a compelling argument that the common law Reverse Doctrine of Equivalents (RDOE) did not survive the 1952...more
The US Court of Appeals for the Federal Circuit ruled that the “substantially the same way” comparison in connection with a doctrine of equivalents (DOE) analysis involving a means-plus-function claim limitation should focus...more
Steuben Foods, Inc. v. Shibuya Hoppman Corp., Appeal No. 2023-1790 (Fed. Cir. Jan. 24, 2025) In its only precedential patent decision this week, the Federal Circuit addressed an “anachronistic exception, long mentioned but...more
Addressing for the first time the issue of whether bioequivalence data and in vitro testing can show that an abbreviated new drug application (ANDA) product with different immediate and delayed release portions infringed on a...more
The doctrine of equivalents is a staple patent law principle, addressing the tension between providing fair protection to innovative ideas and ensuring legal certainty for third parties. However, like most patent laws, the...more
Mirror Worlds Technologies, LLC v. Meta Platforms, Inc., Appeal Nos. 2022-1600, -1709 (Fed. Cir. Dec. 4, 2024) In this appeal from the United States District Court for the Southern District of New York, the Federal...more
The US Court of Appeals for the Federal Circuit affirmed a district court determination that a patent owner had not provided the “particularized testimony and linking argument” required to demonstrate equivalence under the...more
In a joint appeal of two adverse decisions from the District Court, the Federal Circuit on procedural grounds rejected an appeal from the Wisconsin Alumni Research Foundation ("WARF") in Wisconsin Alumni Research Foundation...more
Before Prost, Taranto, and Chen. Appeal from the United States District Court for the Western District of Wisconsin. Summary: Literal infringement and infringement under the doctrine of equivalents are treated as the same...more
After a jury found infringement of two patents and awarded almost $2.2 billion in damages, the US Court of Appeals for the Federal Circuit reversed the infringement finding for one asserted patent, vacated the damages award...more
On January 21, in Kyocera Senco Industrial Tools Inc. v. ITC, the Federal Circuit found that the patent owner’s expert witness on infringement was unqualified under the definition of the level of ordinary skill in the art...more
Just over five years after the California-based retail giant Deckers Outdoor Corp. (Deckers) filed a lawsuit against Sydney-based footwear company, Australian Leather Pty Ltd (Australian Leather) for trademark infringement,...more
A long-running battle between Deckers Outdoor Corp., the makers of UGG boots, and Australian Leather PTY Ltd. may finally be over after a May 7 ruling by the United States Court of Appeals for the Federal Circuit. The battle...more
The US Court of Appeals for the Federal Circuit remanded a district court’s claim construction and grant of a defendant’s summary judgment motion of non-infringement under the doctrine of equivalents, finding that a...more
The Federal Circuit continued its recent willingness to affirm findings of infringement under the doctrine of equivalents (see, e.g., "Eli Lilly & Co. v. Hospira, Inc. (Fed. Cir. 2019)"), in Galderma Laboratories, L.P. v....more
Recently, the Federal Circuit has taken up issues relating to infringement under the doctrine of equivalents (DOE) and a related doctrine, prosecution history estoppel (PHE), that limits the scope of equivalents that can be...more
Amgen, Inc. v. Amneal Pharmas. LLC et al - Before Newman, Lourie, and Taranto. Appeal from the U.S. District Court for the District of Delaware. Summary: An examiner amendment may give rise to prosecution history...more
In a case involving at-home glucose monitoring systems, the US Court of Appeals for the Federal Circuit found the patent owner was estopped from asserting a doctrine of equivalents theory of infringement based on subject...more
PHARMA TECH SOLUTIONS, INC. v. LIFESCAN, INC. Before Moore, Reyna, and Stoll. Appeal from the United States District Court for the District of Nevada. Summary: Claims for infringement under the doctrine of equivalents...more
The US Court of Appeals for the Federal Circuit affirmed a dismissal based on the defendant’s failure to state a claim motion, concluding that under principles of prosecution history estoppel, the patent owner could not...more
On August 9, 2019, the United States Court of Appeals for the Federal Circuit, in Eli Lilly & Co. v. Hospira, Inc., Nos. 2018-2126, 2127, 2128, reversed in-part and affirmed in-part a district court’s determination of...more
One-year Clock for Filing IPR Petition Applies to Litigants and Parties that Become Privies of the Litigant Prior to Institution. In Power Integrations, Inc v. Semiconductor Components, Appeal No. 2018-1607, the Federal...more
PATENT CASE OF THE WEEK - Elbit Systems Land and C4I Ltd. v. Hughes Network Systems, LLC, Appeal No. 2018-1910 (Fed. Cir. June 25, 2019) - In this appeal from the United States District Court for the Eastern District of...more