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
The Federal Circuit recently reversed a PTAB determination on remand that a patent was obvious over applicant admitted prior art (“AAPA”) in combination with prior art patents, holding that expressly designating AAPA as a...more
On June 11, 2025, the United States Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board (PTAB) decision invalidating two patents owned by Agilent Technologies. The patents at issue, U.S. Patent...more
Patent attorneys are well-versed in the function of the Information Disclosure Statement (IDS) during prosecution. We understand that listing prior art in an IDS satisfies the duty of candor, helps insulate patents from...more
The U.S. Court of Appeals for the Federal Circuit (“CAFC”) recently issued its opinion in Apple Inc. v. Gesture Technology Partners, LLC, a case that focuses on obviousness under 35 U.S.C. §103, claim breadth and the...more
The Patent Trial and Appeal Board (PTAB) continues to play a pivotal role in shaping the intellectual property landscape. In 2024, several developments affecting PTAB practice emerged, from new rulemaking at the USPTO to key...more
As we predicted in our 2023 report, 2024 was a banner year for design rights in the U.S. and elsewhere. In last year’s report, we noted that the U.S. Court of Appeals for the Federal Circuit (CAFC) agreed to consider en banc...more
In a recent opinion, the Federal Circuit added several new wrinkles to amendment practice in inter partes review proceedings. The court affirmed the Patent Trial and Appeal Board’s determination that most of the original...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
Addressing the sufficiency of the Patent Trial & Appeal Board’s (PTAB) justification of its inter partes review (IPR) determination, the US Court of Appeals for the Federal Circuit reversed the PTAB’s obviousness...more
In a recent decision issued in Louisiana-Pacific Corp. v. Huber Engineered Woods LLC, the Patent Trial and Appeal Board addressed the showing that a petitioner for inter partes review must make to demonstrate that an asserted...more
In 2018, the U.S. Court of Appeals for the Federal Circuit docketed close to 600 appeals from the U.S. Patent and Trademark Office (USPTO). That is the second highest number since starting to hear post-American Invents Act...more
The Federal Circuit’s decision in Nidec Motor Corp. v. Zhongshan Broad Ocean Motor Co., (Fed. Cir. No. 16-2321), expresses a growing discomfort with the Patent Office’s practice of joinder and expanded panels....more
This paper is based on reports on precedential patent cases decided by the Federal Circuit distributed by Peter Heuser on a weekly basis. ...more
Last week, in Arendi S.A.R.L. v. Apple, the Federal Circuit reversed a Patent Trial and Appeal Board (PTAB) finding of invalidity in an inter partes review that relied on “common sense” to supply a claim limitation that was...more
On July 25, 2016, the Court of Appeals for the Federal Circuit (CAFC) held in In re Magnum Oil Tools International (Newman, O’Malley & Chen) that the burden of production to show unobviousness does not shift to a patent owner...more
On Tuesday, April 26, 2016, the Federal Circuit issued an order denying a petition filed by Merck & Cie for rehearing en banc of an Inter Partes Review (“IPR”) final written decision by the Patent Trial and Appeal Board...more
Addressing the rules governing admissibility of supplemental information during an inter partes review (IPR) proceeding, the U.S. Court of Appeals for the Federal Circuit affirmed the decision of the Patent Trial and Appeal...more
In Redline Detection v. Star Envirotech, the Federal Circuit confirmed that the PTAB can decline to consider timely filed “supplemental” information from a petitioner (after filing its petition) pursuant to 37 C.F.R. §...more
On December 17, 2015, the Federal Circuit issued a precedential decision affirming a determination by the Patent Trial and Appeal Board (“PTAB”) that patent claims related to methods of treating elevated homocysteine levels...more