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 Patent Office recently announced that it will begin enforcing a rule that requires that inter partes review (IPR) petitions “specify where each element of the claim is found in the prior art patents or printed...more
On July 22, 2025, the Court of Appeals for the Federal Circuit concluded that the Patent Trial and Appeal Board’s (the “PTAB”) decision not to apply interference estoppel and, therefore, to institute an inter partes review...more
On March 24, the Federal Circuit held in In re Riggs that for a published non-provisional patent application to be prior art under pre-AIA 35 U.S.C. § 102(e)(1) based on an earlier provisional filing date, all citations to...more
In re: Riggs, Appeal No. 2022-1945 (Fed. Cir. Mar. 24, 2025) Our Case of the Week explores the power of an examiner to request a rehearing after the Board has entered a decision on an application. The case also relates to...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
For the first time in nearly 15 years, the U.S. Patent and Trademark Office (USPTO) has issued “Updated Guidance for Making a Proper Determination of Obviousness” under the U.S. Supreme Court’s ruling in KSR Int’l Co. v....more
The US Patent and Trademark Office (USPTO) recently updated its guidance for patent examiners and applicants in determining obviousness under 35 USC § 103, based on the US Supreme Court’s ruling in KSR Int’l Co. v. Teleflex...more
On February 27, 2024, the U.S. Patent and Trademark Office published its Updated Guidance for Making a Proper Determination of Obviousness ("Guidance") in the Federal Register. The stated goal of the Guidance is...more
On February 13, the USPTO issued inventorship guidance for AI-assisted innovations. The guidance, effective as of February 13, 2024, emphasizes that AI-assisted inventions are not categorically unpatentable and the...more
On November 15, 2023, Director of the United States Patent and Trademark Office (USPTO) Kathi Vidal designated as precedential the Patent Trial and Appeal Board’s (PTAB) final written decision in Penumbra, Inc. v. RapidPulse,...more
2022 was a milestone year for the Patent Trial and Appeal Board. In April, Kathi Vidal began her tenure as Director of the United States Patent and Trademark Office with an early focus on promoting increased efficiency at the...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
A panel of the US Court of Appeals for the Federal Circuit considered whether the Patent Commissioner, on assuming the role of the US Patent & Trademark Office (PTO) Director, can constitutionally evaluate the rehearing of...more
One of the casualties of the Leahy-Smith America Invents Act in 2012 was 35 U.S.C. § 145, which had provided recourse to U.S. District Courts for U.S. patent applicants disgruntled with a determination of unpatentability...more
The so-called “Lead Compound Analysis” is the primary legal framework for assessing chemical obviousness. Despite the USPTO Patent Trial and Appeal Board’s (PTAB) initial apparent reluctance to operate under this framework,...more
The USPTO Patent Trial and Appeal Board (PTAB) has increasingly used its discretionary denial authority in recent years. Although the PTAB’s discretion under 35 U.S.C. § 314(a) and Fintiv grabbed many headlines in 2021, the...more
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 patent litigation. In its first...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
SynQor, Inc. appealed the inter partes reexamination decision of the Patent Trial and Appeal Board (Board) holding un- patentable as obvious original claims 1–19, 28, and 31 of SynQor’s patent, U.S. Patent No. 7,072,190 as...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
[co-author: Kathleen Wills] Last year, the global COVID-19 pandemic created unprecedented challenges for American courts. By making several changes, however, the U.S. Court of Appeals for the Federal Circuit was able to...more
Long before the AIA, declarations were a tool that was available during patent prosecution to put evidence, e.g., post-filing data and expert opinions, in front of an Examiner to rebut obviousness or lack of enablement...more
The US Court of Appeals for the Federal Circuit addressed for the first time whether the retroactive application of inter partes review (IPR) proceedings to pre-America Invents Act (AIA) patents is an unconstitutional taking...more
On February 1, the PTAB held its first “Boardside Chat” of 2018, which featured three judges discussing appeals and AIA trial proceedings for design patents. Not only are such proceedings less common for design patents than...more
The Patent Trial and Appeal Board (PTAB or Board) designated as informative three decisions denying institution of inter partes reviews. CULTEC, Inc. v. Stormtech LLC, Case No. IPR2017-00777 (Grossman, APJ) (Aug. 22, 2017);...more