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Inter Partes Review (IPR) Proceeding Expert Witness Patent Litigation

McGuireWoods LLP

Perfecting Expert Testimony at PTAB

McGuireWoods LLP on

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

WilmerHale

Federal Circuit Patent Watch: An Expert Need Not Have Acquired the Requisite Skill Level Prior to the Time of the Invention

WilmerHale on

Precedential and Key Federal Circuit Opinions - WISCONSIN ALUMNI RESEARCH FOUNDATION v. APPLE INC. [OPINION] (2022-1884, 8/28/2024) (Prost, Taranto, and Chen) - Prost, J. The Court affirmed two final judgments of the...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

IMS Legal Strategies

IMS Expert Insights: An Expert Witness Perspective on Inter Partes Review of Patents

IMS Legal Strategies on

An inter partes review (or IPR) of a patent is a trial proceeding conducted by the Patent Trial and Appeal Board (PTAB) when there is a challenge to patentability. The procedure for conducting IPRs took effect in 2012 and...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

[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

Ward and Smith, P.A.

Stay in Your Lane: Defining the Scope of an IPR Deposition

Ward and Smith, P.A. on

The regulations governing discovery in an inter partes review ("IPR") proceeding do not provide for the same methods of discovery available in a patent infringement lawsuit. As such, when opportunities for discovery...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

Akin Gump Strauss Hauer & Feld LLP

PTAB Orders Production of Raw Data and Instructions Underlying Test Results

The Patent Trial and Appeal Board (PTAB) recently issued an Order that illustrates the circumstances in which a party may obtain additional discovery in an inter partes review (IPR). In Apple Inc. v. Singapore Asahi Chemical...more

McDermott Will & Emery

PTAB: Lawyers Permitted to Confer with Witnesses to Prepare Redirect

McDermott Will & Emery on

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

Strategic Decision to Forgo Expert Does Not Allow a “Second Bite”

Jones Day on

The PTAB recently denied petitioner’s request for rehearing of a decision denying institution of inter partes review, rejecting the argument that the Board’s denial was based on an erroneous analysis of the “non-exhaustive”...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 - June 2018: PTAB AIA Proceeding Deposition Strategy

Depositions are an important, yet sometimes overlooked, part of AIA proceedings, such as inter partes review (“IPR”) trial proceedings. It is important to understand that IPR depositions differ in significant ways – both in...more

Akin Gump Strauss Hauer & Feld LLP

Patent Owner Submits His Own Expert Declaration and Then Refuses to Appear for a Deposition; Board Authorizes Petitioner to Move...

On January 10, 2017, the Patent Trial and Appeal Board (the “Board”) ruled that Petitioner’s inability to depose, and therefore cross-examine, Patent Owner’s expert could warrant striking the expert’s declaration....more

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

Perspectives On The PTAB - Inaugural Issue

We are pleased to share this Perspectives on the PTAB newsletter. Its content is directed toward providing information and analysis of the decisions made by the Patent Trial and Appeal Board. We hope that this newsletter...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

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