Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Inter Partes Review: Validity Before the PTAB
On July 18, 2025, after a five-day trial, the jury in Allergan v. Revance Case No. 1:21-cv-01411 (D. Del.) entered a verdict finding claim 8 of Allergan’s U.S. Patent No. 7,354,740 (“the ’740 patent”), claim 6 of U.S. Patent...more
[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more
Join the conference that the “who’s who” of Hatch-Waxman litigators have designated as the forum which sets the standards for Paragraph IV practice. ACI’s Paragraph IV Litigation Conference is returning LIVE & IN-PERSON to...more
In a recent inter partes review (IPR), a patent owner overcame a facially persuasive obviousness challenge by relying on evidence from an earlier litigation to establish objective indicia of nonobviousness. In RTI...more
LIQWD, INC. v. L'OREAL USA, INC. Before Reyna, Hughes, and Stoll. Appeal from the Patent Trial and Appeal Board. Summary: Evidence of copying was relevant to nonobviousness even though the copied feature came from...more
Hyatt v. Pato (No. 2017-1722, 9/24/18) (Reyna, Wallach, Hughes) - Hughes, J. Reversing dismissal for lack of subject matter description stating, “the exclusive jurisdiction of this court and the Eastern Virginia district...more
Federal Circuit Summary - Before Newman, Hughes, and Stoll. Appeal from the United States District Court for the District of Delaware Summary: Objective indicia of nonobviousness cannot be dismissed merely because all...more
Berkheimer v. HP Inc., Appeal No. 2017-1437 (Fed. Cir. Feb. 8, 2018) - In Berkheimer v. HP Inc., the Federal Circuit reviewed the District Court’s summary judgment finding that certain claims of a patent were invalid as...more