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Expert Witness Patents 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

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

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

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

Sunstein LLP

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

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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

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

Knobbe Martens

Non-Expert Testimony on Obviousness Is Inadmissible

Knobbe Martens on

HVLPO2, LLC v. OXYGEN FROG, LLC - Before Newman, Moore, and Chen. Appeal from the United States District Court for the Northern District of Florida. Summary: It is an abuse of discretion to permit a witness to testify...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

Live Testimony Remains Important in ITC Investigations

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When parties jointly stipulate to witness statements rather than live direct and cross examination, one might expect the ITC to be receptive to their agreement—after all, such stipulations may save time and resources for...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

Jones Day

ITC Excludes Expert Testimony for Violation of Ground Rules

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In a recently issued order, ALJ Lord granted-in-part and denied-in-part Respondents’ motion in limine to exclude certain testimony of Complainants’ expert. Certain Radio Frequency Microneedle Dermatological Treatment Devices...more

Jones Day

Ground Rules Preclude New Rebuttal Expert Opinions

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Shortly before the evidentiary hearing, ALJ Lord granted Complainant’s motion in limine and excluded certain testimony in the witness statement of Respondents’ expert as precluded by her ground rules governing expert...more

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