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Federal Rules of Civil Procedure Expert Testimony Evidence

Miller Canfield

Navigating the Survey Seas: The Timing and Impact of Survey Evidence in Trademark Litigation

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In the world of trademark litigation, surveys play a crucial role in tackling issues like confusion, secondary meaning, and dilution. However, the timing of survey disclosures often sparks heated debates, as neither side...more

Goldberg Segalla

Defendant’s Motion for Summary Judgment Denied by Louisiana Federal District Court

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United States District Court for the Western District of Louisiana, Shreveport Division - In this asbestos action, plaintiff Reginald Short alleged asbestos exposure from, among other things, asbestos-containing shipping...more

Kerr Russell

Five Tips for Preparing to Testify at a Deposition

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Preparing for a deposition can be challenging whether it is a person’s first or hundredth time testifying under oath. Being questioned frequently causes anxiety. But the experience does not have to be so daunting with...more

Vorys, Sater, Seymour and Pease LLP

The Precedent: The Federal Circuit Remands and Reassigns District Court Patent Infringement Case to a New Judge

In this edition of The Precedent, we outline the decision in Trudell Medical International Inc. v. D R Burton Healthcare LLC. The U.S. Court of Appeals for the Federal Circuit recently affirmed in part, reversed in part and...more

Baker Botts L.L.P.

The Federal Circuit Tackles the Role of Expert Opinions in Patent Damages in EcoFactor Inc. v. Google, LLC

Baker Botts L.L.P. on

The Federal Circuit rarely decides cases en banc. For example, in 2024, the Court only heard one en banc case. Stunningly, on September 25, 2024, the Federal Circuit granted Google’s petition for rehearing en banc in the case...more

Esquire Deposition Solutions, LLC

AI Expert’s Report Deemed Unreliable Due to “Hallucinations” Within

“The irony.” So wrote federal district judge Laura M. Provinzino when she rejected as unreliable an artificial intelligence expert’s report that was found to have contained three non-existent, AI-generated citations. The...more

Knobbe Martens

New Trial Granted Because “Nearly All” of the Defendant’s Noninfringement Evidence Was Untimely

Knobbe Martens on

The district court erred by admitting untimely expert testimony on noninfringement and by refusing to grant a new trial after the jury found noninfringement. Trudell Medical International (“Trudell”) sued D R Burton...more

Montgomery McCracken

Recent Third Circuit Opinion Reinforces That Daubert Requires Courts to Examine the Data Underlying an Expert’s Analysis

Montgomery McCracken on

February 11, 2025 Types : Alerts Meta Platforms, Inc. recently defeated certification of a class of consumers who claim the company lied about its user privacy safeguards and violated antitrust laws. ...more

Morgan Lewis

Expert Testimony May Be Limited if ‘Confidential’ Information Is Withheld Under Section 6103

Morgan Lewis on

Expert witnesses can be critical to defending a tax position—but what happens when an expert must maintain confidentiality over information that is important to their analysis? Preserving this confidentiality while ensuring a...more

Foley & Lardner LLP

You’ve Been Sued: Now What?

Foley & Lardner LLP on

Being served with a lawsuit is frustrating, and sometimes nerve-racking, even for seasoned in-house counsel. Having a plan in place to quickly and appropriately address new lawsuits can ease the stress of being sued....more

Zuckerman Spaeder LLP

New Question for Expert Witness: Who Drafted This Report, You Or Your Machine?

Zuckerman Spaeder LLP on

A federal judge in Minnesota recently granted a motion to exclude an expert declaration explaining the dangers of AI deepfakes because the declaration itself contained AI-hallucinated citations. The case was a First Amendment...more

Faegre Drinker Biddle & Reath LLP

To Depose or Not to Depose: When Challenging Opposing Nonretained Experts Becomes Challenging

Federal Rule of Civil Procedure 26(a)(2) requires parties to disclose the opinions of experts who may present evidence at trial. If the disclosures are inadequate, Rule 37(c) requires exclusion of the opinions “unless the...more

Holland & Knight LLP

Podcast - Finding the Balance

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In the fourth episode of his "Ethical Witness Preparation" podcast series, "Finding the Balance," litigation attorney Dan Small draws a parallel between witness preparation and translating different languages. Mr. Small also...more

Faegre Drinker Biddle & Reath LLP

It’s not what happened, but why: First Circuit rejects conclusory, unsupported expert opinions

It is not uncommon for an opposing expert to opine that the existence of injury alone implies negligence, nor is it unusual to find that such opinions are supported only by general reliance on “literature” with no discernible...more

Sands Anderson PC

Experts and Defenses in Legal Malpractice Cases: Virginia Supreme Court Sheds Some Important Light

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Last week, in Sere v. Trapeni, the Virginia Supreme Court handed down a very interesting opinion in a legal malpractice appeal. The Court provided important guidance on when a court’s previous rulings can affect new cases and...more

Butler Snow LLP

Nonreporting Employee/Experts Beware: A Follow-up on Luminara Worldwide, LLC v. RAZ Imports, Inc.

Butler Snow LLP on

It has been more than one year since the case Luminara Worldwide, LLC v. RAZ Imports, Inc., 2016 WL 6774231, 2016 U.S. LEXIS 158183, (D. Minn. Nov. 15, 2016) became a popular topic for the defense bar. As a brief recap, the...more

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