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Patent Litigation Expert Witness Expert Testimony

WilmerHale

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

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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

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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

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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

Farella Braun + Martel LLP

What Have We Learned From the First Six Months Under the New Federal Rule of Evidence 702?

As patent practitioners know, Daubert motions can be some of the most hotly contested and pivotal motions in the life of a patent case. These motions are used to exclude testimony from an opponent's expert witness, usually on...more

Fish & Richardson

Amended FRE 702 on Expert Testimony Effective December 1, 2023

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Experts play a key role in patent litigation as they explain complex technical issues including infringement, validity, and damages to judges and juries. The persuasiveness of their testimony can often mean the difference...more

Irwin IP LLP

Experts Walk the Line: Avoiding Exclusion of Testimony as Legal Opinions

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Courts continue to measure that fine line between reliable expert testimony and legal opinion that patent experts constantly walk on. In a recent opinion, the Eastern District of Texas denied a patentee’s motion to exclude...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

Sunstein LLP

It’s Not Complicated: Make Sure the Technical Expert You Retain to Testify About Infringement Has Credentials That Match the Level...

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In infringement suits, the patentee must show that each element of a patent claim is infringed either literally by an accused product or infringed under the doctrine of equivalents. Literal infringement means the accused...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 - Federal Circuit Holds that Your Technical Expert Must be a POSA

In Kyocera Senco Industrial Tools Inc. v. International Trade Commission, the Federal Circuit held in a precedential opinion that expert witnesses must at least have ordinary skill in the art. Because Kyocera’s expert did not...more

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

PTAB Strategies and Insights: January 2022 - Does the Limit Exist?: Negative Limitations in Novartis v. Accord

In an appeal, Novartis Pharmaceuticals v. Accord Healthcare, Inc., the issue of whether a patent provides sufficient written description of a negative limitation split the panel at the Federal Circuit. Novartis...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

A&O Shearman

Expert Evidence in patent cases: recent guidance from the Bench

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As Lord Justice Arnold highlighted in one of his last judgments as a trial judge, the Patents Court “depends on the assistance it receives from expert witnesses”. ...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

Smart & Biggar

Effectively using experts in IP Litigation – Part 2: Practise

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In intellectual property litigation, the outcome of many high stakes cases has turned on expert testimony. It is therefore important for a litigator to spend time and effort to properly identify, select, and prepare the...more

Farella Braun + Martel LLP

Insights Into the First Patent Trial in Waco, Texas - MV3 Partners v. Roku

A 7-person jury in Waco, Texas, recently returned its verdict in the first patent trial held before Judge Albright: defense verdict, no finding of infringement. In the MV3 Partners v. Roku dispute, MV3 Partners had sought...more

Goodwin

ITC 337 Quarterly Insider Q2 2020

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Goodwin’s 337 Quarterly Insider remains the premiere publicly available source for keeping up to date on all meaningful decisions coming out of the Commission. Please find below Goodwin’s insights on the months of April, May,...more

McDermott Will & Emery

PTAB: Lawyers Permitted to Confer with Witnesses to Prepare Redirect

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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

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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

Knobbe Martens

Globus Argues Expert’s Faked Credentials Warrants New Trial

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In 2011, DePuy-Synthes, a subsidiary of Johnson & Johnson Inc. sued Globus Medical, Inc. in the United States District Court for the District of Delaware. In that suit, Synthes alleged that Globus had infringed three Synthes...more

McDermott Will & Emery

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

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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

Robins Kaplan LLP

Judge Forrest authorizes depositions of declarants to support defendant’s motion for summary judgment

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Following defendant Monster’s filing of a motion for summary judgment, the patentee provided declarations by two expert witnesses in opposition. Monster noticed depositions of these experts, but the patentee moved for a...more

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