1. Background: ImmunoGen’s Patent Application & Dispute - In 2014, ImmunoGen, Inc. (Immunogen) filed U.S. Patent Application No. 14/509,809 (the ’809 application)....more
The recent Patent Trial and Appeal Board (PTAB) decision Ex Parte Baurin reversed an Examiner rejection for obviousness-type double patenting (ODP) in U.S. Application No. 17/135,529 over the later-filed, later-expiring...more
In December 2021, patent practice was upended by four related United States Patent and Trademark Office (USPTO) Patent Trial & Appeal Board (PTAB) decisions holding that patents subject to statutory Patent Term Adjustment...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness-type double patenting rejection, finding that an unexpected mechanism of action does not render the known use of a known...more
Last week, the Federal Circuit held that obviousness-type double patenting trumps patent term adjustment, opening the door for invalidity attacks that to date had been questionable. In re Cellect was an appeal from 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
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
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