5 Key Takeaways | Rolling with the Legal Punches: Resetting Patent Strategy to Address Changes in the Law
Verdict in T-Cell Immunotherapy IP Case Tests 'Reasonable Royalty' Concept for Large Damage Awards
On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit issued a decision in the case of In Re: Xencor, Inc. In this Appeal from the Appeals Review Panel of the Patent Trial and Appeal Board (ARP), with regard to...more
The US Court of Appeals for the Federal Circuit recently issued a decision that highlights a risk in design patent prosecution—specifically, attempting to claim priority to a utility application. In re Floyd, the Federal...more
On March 24, 2025, the US Court of Appeals for the Federal Circuit (Federal Circuit) issued a decision titled In Re: Riggs (the Riggs decision) that vacated a decision of the Patent Trial and Appeal Board (PTAB) of the US...more
On March 24, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion vacating and remanding a decision of the U.S. Patent Trial and Appeal Board (the “Board”) that a published patent application...more
On September 21, 2023, the PTAB denied United Services Automobile Association’s petition to institute inter partes review of Auto Telematics’s U.S. Patent No. 9,633,487. IPR2023-00519, Paper 10....more
Last month the Federal Circuit affirmed a PTAB inter partes review (IPR) decision finding that the University of Minnesota’s patent claim directed to the anti-cancer drug sofosbuvir was not adequately supported by the written...more
Regents of the University of Minnesota v. Gilead Sciences, Inc., Appeal No. 21-2168 (Fed. Cir. Mar. 6, 2023) The Federal Circuit’s only precedential patent opinion this week focuses on the written description requirement...more
Smith & Nephew petitioned for IPR of Arthrex’s ’907 patent, which claims a surgical device with an “eyelet” through which a suture is threaded. Smith & Nephew argued in relevant part that certain claims were anticipated by a...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
On December 3rd, Junior Party the Broad Institute, Harvard University, and MIT (collectively, Broad) filed its Contingent Preliminary Motion No. 2 in Interference No. 106,133 (which names Sigma-Aldrich as Senior Party),...more
ACI’s Advanced Summit on Life Sciences Patents is back in person on June 2–3 in New York City. Our reimagined 2022 conference will provide practical insights on how to implement bullet-proof patent prosecution tactics,...more
Over the last 20-plus years, US Court of Appeals for the Federal Circuit cases concerning written description and enablement have become a hot-button issue in the chemical and life sciences practices. The year 2021 was no...more
[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more
In a recent decision issued in Indivior UK Limited v. Dr. Reddy’s Laboratories, the Federal Circuit affirmed a decision from the PTAB that a limitation to range of polymer weight percentages lacked written description support...more
The week of Thanksgiving was a slower one for the Federal Circuit. But we still got an interesting written description decision with a divided panel. Below we provide our usual weekly statistics and our case of the week—our...more
Indivior UK Ltd. v. Dr. Reddy’s Laboratories S.A., Appeal Nos. 2020-2073, -2142 (Fed. Cir. Nov. 24, 2021) - Our Case of the Week this week focuses on the written description requirement when the patent claims a range. The...more
The Leahy-Smith America Invents Act prescribed two very different post-grant review proceedings in U.S. patent law. The first, post-grant review (PGR), had some analogies with European opposition practice, in that petitions...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
On March 1st, the U.S. Patent and Trademark Office Patent Trial and Appeal Board (PTAB) issued its Order on the Preliminary Motions Lists submitted by Junior Party The Broad Institute, the Massachusetts Institute of...more
On March 1st, the U.S. Patent and Trademark Office Patent Trial and Appeal Board (PTAB) issued its Order on the Preliminary Motions Lists submitted by Junior Party University of California/Berkeley, University of Vienna, and...more
Honeywell owns U.S. Patent 9,157,017, which claims automotive air-conditioning systems. The application to the ’017 patent had originally described and recited claims for flouroalkane compounds for use in refrigeration...more
The PTAB Cannot Approve or Deny Certificates of Correction - In Honeywell International, Inc. v. Arkema Inc., Arkema France, Appeal Nos. 2018-1151, -1153, the Patent Trial and Appeal Board (“Board”) does not have the...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) invalidity decision in an interference proceeding, finding that the written description of the patent at issue did not describe...more
In reversing a Patent Trial and Appeal Board (PTAB) decision, the US Court of Appeals for the Federal Circuit explained that the level of written description required to show possession of a claimed invention “varies...more
QUAKE v. LO - Before Reyna, Chen, and Hughes. Appeal from the Patent Trial and Appeal Board (“PTAB”). Summary: A claimed method must be expressly described as a whole in order to satisfy the written description...more