New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Inter Partes Review: Validity Before the PTAB
The United States Court of Appeals for the Federal Circuit recently affirmed a district court ruling that a pharmaceutical dosing claim limitation was unpatentable due to obviousness-type double patenting. The court found...more
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
An August 2023 decision from the Federal Circuit Court of Appeals highlighted potential new fragilities in the patent portfolios of many industry giants, especially those in the pharmaceutical industry....more
The Federal Circuit soon will have the opportunity to decide a question left open during a recent spate of opinions involving the judicially created doctrine of obviousness-type double patenting (OTDP): the effect patent...more
ACI’s 8th Annual Paragraph IV Disputes Master Symposium returns in person to Chicago on September 21-22! Join leading pharmaceutical patent litigators for brand name and generic drug companies to receive up-to-the-minute...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 seven years there has been commotion in Obviousness-type Double Patenting (“ODP”) practice. One of the latest cases to spur a considerable amount of interest is Mitsubishi Tanabe Corp. v. Sandoz, Inc., which is...more