by Carl Kukkonen | Jan 29, 2020 | Estoppel
By Phillip Shelton and Carl Kukkonen – In Think Prod., Inc. v. ACCO Brands Corp., No. 18-CV-07506, 2019 WL 6609427, at *1 (N.D. Ill. Dec. 5, 2019), the District Court addressed whether the plaintiff patent ower was collaterally estopped from arguing validity in...
by Matthew Johnson | Nov 13, 2019 | Estoppel, PGR
By Amanda Leckman and Matt Johnson On February 28, 2019, GREE, Inc. (“GREE”) filed a Complaint against Supercell Oy (“Supercell”) for patent infringement of U.S. Patent No. 9,597,594 (the “’594 Patent”), directed to a method for controlling a computer to improve the...
by Cary Miller | May 2, 2019 | Estoppel, Pharmaceutical
Cary Miller, Ph.D., and Jihong Lou, Ph.D. In a recent decision, a district court in the District of Delaware applied estoppel under 35 U.S.C. § 315(e)(2) to a defendant in Hatch-Waxman litigation, two and half years after the court conducted a bench trial on...
by Matthew Johnson | Mar 12, 2019 | Estoppel
By Mike Lavine and Matt Johnson Presidio Components, Inc. (“Presidio”) petitioned for inter partes review (IPR) of U.S. Patent No. 6,144,547 (the “‘547 Patent”), which American Technical Ceramics Corp. and AVX Corporation (together “plaintiffs”) asserted against...
by Emily Tait | Feb 20, 2019 | Estoppel
By Emily Tait – When an IPR petition results in a final written decision, the IPR petitioner (or the petitioner’s real party in interest or privy) is estopped from asserting in a civil litigation or an ITC action that “the claim is invalid on any ground that...
by Matthew Johnson | Dec 31, 2018 | Estoppel
By Marlee Hartenstein and Matt Johnson – Assignor estoppel is an equitable doctrine that prevents a party who assigns a patent to another from later challenging the validity of the assigned patent. As reported in a prior post, the Federal Circuit recently...
