Indefiniteness Before the PTAB
In a patent-infringement case involving fiber-optic-cable assemblies, Magistrate Judge Steven I. Locke (E.D.N.Y.) recently rejected defendants’ arguments that two terms in the patent claims were indefinite under 35 U.S.C. §...more
Fintiv, Inc. v. Paypal holdings, Inc., Appeal No. 2023-2312 (Fed. Cir. Apr. 30, 2025) In its only precedential patent opinion last week, the Federal Circuit affirmed a district court’s determination that the terms “payment...more
IMMUNOGEN, INC. v. STEWART - Before Lourie, Dyk, and Prost. Appeal from the United States District Court for the Eastern District of Virginia. A solution to a problem can be obvious even when the problem itself was unknown in...more
We are excited to share Sheppard Mullin’s inaugural quarterly report on key Federal Circuit decisions. The Spring 2023 Quarterly Report provides summaries of most key patent law-related decisions from January 1, 2023 to March...more
As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more
PATENT CASE OF THE WEEK - BioDelivery Sciences Int’l, Inc. v. Aquestive Therapeutics, Inc., Appeal Nos. 2019-1643, -1644, -1645 (Fed. Cir. Aug. 29, 2019) - Our case of the week this week focuses on Section 314(d)—the...more
In This Issue - US Taxation of IP After Tax Reform - U.S. taxation of intellectual property has become astoundingly more complex after the Tax Cuts and Jobs Act. The new rules are so complex that the IRS and Treasury...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
In an opinion addressing the standard for indefiniteness in view of the Supreme Court of the United States’ 2014 “reasonable certainty” test, the U.S. Court of Appeals for the Federal Circuit maintained its reversal of the...more
The Federal Circuit considered the question of indefiniteness on remand from the Supreme Court's reversal in Nautilus v. Biosig and, perhaps not surprisingly, found again that the Biosig's claims were not indefinite....more