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On July 31, 2025, the Acting Director of the US Patent and Trademark Office (USPTO) issued a significant memorandum that alters the evidentiary landscape for inter partes review (IPR) proceedings before the Patent Trial and...more
Expert testimony plays a critical role in Patent Trial and Appeal Board (PTAB) proceedings at the U.S. Patent and Trademark Office (USPTO). Thousands of petitions for inter partes review (IPR) and post grant review have been...more
Be an Expert: Precedential PTAB Decision on Conclusory Expert TestimonyStutti TilwaA recent precedential decision from the Patent Trial and Appeal Board (“PTAB”) may serve as a warning for those parties who plan on relying on...more
A recent precedential decision from the Patent Trial and Appeal Board (“PTAB”) may serve as a warning for those parties who plan on relying on expert declarations in their inter partes reviews (“IPR”). On August 24, 2022, the...more
Director of the US Patent and Trademark Office (USPTO) Kathi Vidal recently designated as precedential a decision by the Patent Trial and Appeal Board (PTAB) rejecting the petitioner’s invalidity challenge, since it was based...more
Imagine sitting in a conference room with your carefully crafted set of questions for a deposition, and you are exploring the basis for an opposing expert’s opinions. But instead of giving thoughtful answers, the expert...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
The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more
Earlier this month, in Sherwin-Williams Co. v. PPG Industries, Inc., Special Master Henry M. Sneath issued a Report and Recommendation in the U.S. District Court for the Western District of Pennsylvania that a motion by...more
On August 10, 2018, the United States Patent and Trademark Office published a Federal Register notice announcing updates to the Office Patent Trial Practice Guide (TPG). The TPG was first published in August 2012 to provide...more
SneakRTech Corp. wants you to defend their patent and challenge BadGuys, Incorporated’s patent at the U.S. Patent and Trademark Office Patent Trial and Appeal Board (PTAB). The subject matter: aglets....more
Today the Circuit agreed to hear en banc Nantkwest v. Matal,in which the panel had reversed a district court decision that had rejected the PTO’s position that applicants who appeal a district court must pay the PTO’s legal...more
Challenging the validity of a patent through the courts of Europe and the United States can be a time-consuming and expensive process. Oppositions at the European Patent Office (EPO) and US post-grant cancellation...more
Amgen Inc., et al. v. Sanofi, et al., C.A. No. 14-1317 – SLR (Consolidated), March 2, 2016 - Robinson, J. Order resolving pre-trial evidentiary issues. Plaintiffs seek to preclude defendants from relying on two...more
In a non-precedential opinion, the U.S. Court of Appeals for the Federal Circuit declined to direct the U.S. Patent and Trademark Office (PTO) to create a particularized written standard for consideration of inter partes...more
Addressing the location of a deposition of patent owner’s declarant, the U.S. Patent and Trademark Office’s (PTO) Patent Trial and Appeal Board (PTAB or Board) concluded that, absent an agreement between the parties to...more
In a matter related to Case no. 1:13–cv-01358–PAC, Abbvie requested attorney and expert fees following the court’s determination that U.S. Patent No. 7,846,442 (“Methods of treating rheumatoid arthritis with an anti-TNF-alpha...more