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Expert Testimony Corporate Counsel Patent Trial and Appeal Board

King & Spalding

USPTO Acting Director Stewart Limits Use of General Knowledge in IPR Petitions

King & Spalding on

On July 31, 2025, Acting USPTO Director Coke Morgan Stewart released a memo instructing the agency “that applicant admitted prior art (AAPA), expert testimony, common sense, and other evidence that is not ‘prior art...more

Dinsmore & Shohl LLP

Apple Prevails and Federal Circuit Puts Expert Testimony in the Spotlight

Dinsmore & Shohl LLP on

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

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Strategies and Insights Newsletter - May 2023: Kyocera and the Brewing Debate Over Expert Qualifications at the PTAB

Technical experts play a key role in patent litigation, including in PTAB litigation. Indeed, experts are often the only witnesses to provide testimony in PTAB proceedings, and final written decisions often hinge on which...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

2021 PTAB Year in Review: Analysis & Trends

[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

Womble Bond Dickinson

USPTO to Implement Significant Rule Changes for AIA Trial Proceedings Impacting Both Petitioners and Patent Owners

Womble Bond Dickinson on

The United States Patent and Trademark Office (USPTO) has released the final set of the latest round of changes to the rules governing inter partes review, post grant review, and other AIA trial proceedings before the Patent...more

McDermott Will & Emery

Petitioners: Put All Needed Evidence in Your Petition - Redline Detection, LLC v. Star Envirotech, Inc.

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

McDermott Will & Emery

Can’t Run Away from Your Expert’s Testimony: Board Says Testimony from Another Proceeding Admissible - Edmund Optics, Inc. v....

McDermott Will & Emery on

Addressing the admissibility of testimony from prior proceedings, the U. S. Patent and Trademark Office Patent Trial and Appeal Board (PTAB or Board) denied the petitioner’s motion to exclude the prior testimony of its own...more

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