New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Inter Partes Review: Validity Before the PTAB
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 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
The US Court of Appeals for the Federal Circuit affirmed a district court decision rejecting claims of a patent application directed to a dosing regimen for a cancer treatment, finding the claims to be obvious where the...more
After creating something of a frisson due to the apprehension that the Federal Circuit might be convinced to re-evaluate whether it was a necessary element for establishing obviousness for the skilled artisan to have had a...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
The U.S. Patent and Trademark Office has a history of attempting to challenge judicial decisions that the Office, usually for its own policy reasons, takes issue with.[1] Recently, the Office decided to challenge the...more
Explore skinny labelling & obviousness in Canada and Australia - If you are an intellectual property (IP) owner, a litigator or an in-house legal professional managing IP litigation in multiple jurisdictions, don’t miss...more
Many life science companies are using AI/ML to identify new disease targets and new therapeutics, predict the efficacy and toxicity of potential clinical therapeutic candidates, design clinical trials and dosing or treatment...more
In a final written decision of an inter partes review proceeding, the Patent Trial and Appeal Board found all 12 claims of a challenged patent unpatentable as either anticipated or obvious. Each ground of unpatentability...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
This case addresses obviousness under 35 U.S.C. § 103 in relation to a method of increasing prostacyclin release to reduce hypertension in a patient. In particular, this case discusses issues relating to motivation to...more
This case addresses the legal framework for determining whether prior art anticipates a claimed range. The appropriate legal framework applies a different test depending on whether the prior art discloses a point within the...more
Ascertaining the differences between prior art and claims at issue requires interpreting the claim language and considering both the invention and the prior art references as a whole. The Supreme Court emphasized “the need...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
[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
[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
Joint inventorship has been called "one of the muddiest concepts in the muddy metaphysics of patent law" because the "exact parameters of what constitutes joint inventorship are quite difficult to define." Mueller Brass Co....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
You’ve thought long and hard about how your company’s clinical stage invention is novel over anything that’s ever been done before. Your analysis is finished, right? Not even close. The novelty barrier to patentability can be...more
Perfect Your Patent Prosecution Strategies and Master the Patent Application Process in the U.S and Around the World. ACI’s 18th Global Summit on Life Sciences Patents virtual conference this August will provide practical...more
The Federal Circuit upholds the validity of a patent covering a polymorphic form of a chemical compound. The United States Court of Appeals for the Federal Circuit recently held in Grünenthal Gmbh v. Alkem Labs. Ltd. that...more
The Court of Appeals for the Federal Circuit issued two opinions on December 7 that address two unsettled questions relating to obviousness-type double patenting (OTDP). These issues are of particular interest to...more
The Federal Circuit recently issued a pair of decisions concerning the Gilead doctrine, which allowed later-issuing patents to be obviousness-type double patenting (ODP) references against earlier-issuing patents....more
PATENT CASE OF THE WEEK - Acorda Therapeutics, Inc. v. Roxane Laboratories, Inc., Appeal Nos. 2017-2078, -2134 (Fed. Cir. Sept. 10, 2018) The Federal Circuit affirmed the district court’s ruling following a bench trial,...more