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Expert Testimony Patent Trial and Appeal Board Expert Witness

McGuireWoods LLP

Perfecting Expert Testimony at PTAB

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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

Baker Botts L.L.P.

Intellectual Property Report - August 2024

Baker Botts L.L.P. on

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

Baker Botts L.L.P.

Be an Expert: Precedential PTAB Decision on Conclusory Expert Testimony

Baker Botts L.L.P. on

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

McDonnell Boehnen Hulbert & Berghoff LLP

Cornell Research Foundation, Inc. v. Vidal (Fed. Cir. 2022)

Last month in Cornell Research Foundation, Inc. v. Vidal, the Federal Circuit affirmed the Patent Trial and Appeal Board's determinations in six inter partes review proceedings that invalidated the challenged claims for being...more

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

2021 PTAB Year in Review: Analysis & Trends: Expert Bad Behavior: The Problem and Potential Solutions

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

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

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

PTAB Strategies and Insights: January 2022

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

Mintz - Intellectual Property Viewpoints

Patent Owner Tip #2 for Surviving An Instituted IPR: Don’t Swing for the Fences in IPR Depositions

As discussed in our previous post, one of the most critical tasks for Patent Owners during the Inter Partes Reviews (“IPR”) discovery period is deposing the Petitioner’s expert. Since IPR depositions are treated differently...more

McDonnell Boehnen Hulbert & Berghoff LLP

Sherwin-Williams Co. v. PPG Industries, Inc. (W.D. Pa. 2020)

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

Sunstein LLP

FanDuel Learns the Hard Way: An IPR Challenge to Any Patent Claim May be Lost if Not Comprehensive and Rigorous Enough

Sunstein LLP on

As we demonstrated in our own successful appeal, Arendi S.A.R.L. v. Apple Inc. (Fed. Cir. 2016), a petition for inter partes review (“IPR”) may fail when an expert declaration lacks detailed explanation. An expert’s...more

McDermott Will & Schulte

PTAB: Lawyers Permitted to Confer with Witnesses to Prepare Redirect

Addressing the scope of Patent Trial and Appeal Board (PTAB) guidelines that prohibit lawyers from conferring with their witness during cross-examination, the PTAB designated as precedential a 2014 decision permitting lawyers...more

Jones Day

Precedential PTAB Order Addresses Witness Examination

Jones Day on

The PTAB panel in Focal Therapeutics, Inc. v. SenoRx, Inc., Case IPR2014-00116 (PTAB July 21, 2014) (Paper 19), provided certain clarifications with regard to the ability to confer with witnesses during examination. This...more

Akin Gump Strauss Hauer & Feld LLP

PTAB Denies Request to Cross-Examine Experts Because Declarations Were Prepared for Other Proceedings and Were Not “Critical”...

In an ongoing inter partes review (IPR) proceeding, the Patent Trial and Appeal Board (the “Board”) denied Petitioner Nestlé Healthcare Nutrition, Inc.’s request to cross examine two expert witnesses after Patent Owner...more

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

PTAB Strategies and Insights - May 2018: “Addendum – Lack of Motivation to Combine – Avoid Declarant Weaknesses”

As follow up to last month’s article on lack of motivation to combine, another just released Board decision in IPR2016-00972 (Paper 18) again found for patent owner because the petition failed to provide a proper motivation...more

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

Exclusion of Evidence at the PTAB - Does it ever happen?

Experienced PTAB practitioners know that the Board rarely grants motions to exclude evidence in Post Grant proceedings. In this article, we look beyond the grim anecdotes and provide some statistics, as well as the Board’s...more

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

Aglets, Who Knew?

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

McDermott Will & Emery

Declarant Must Be Made Available for Deposition in the United States - Square, Inc. v. REM Holdings 3, LLC

McDermott Will & Emery on

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

McDermott Will & Emery

No Cross-Examination of Expert at the Close of Evidence

McDermott Will & Emery on

A.C. Dispensing Equipment Inc. v. Prince Castle LLC - Addressing the appropriate timing of cross-examination of expert witnesses in an inter partes review (IPR), the U.S. Patent and Trademark Office Patent Trial and...more

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