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Expert Testimony Witnesses

Faegre Drinker Biddle & Reath LLP

Defining the Limits of Lay Testimony in Complicated Products Cases

“So when is a question too complicated for the jury?” That is the question the Third Circuit sought to answer recently in Slatowski v. Sig Sauer, Inc., ___ F. 4th ___, 2025 WL 2178533 (3d Cir. 2025), reversing a district...more

Womble Bond Dickinson

Finding an Expert Witness: Best Practices for Finding Credible Experts

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This article was authored by Kim Beane (Litigation Consultant). In court, cases often come down to the “battle of the experts” and the credibility and character of experts can make or break a case. When you need an expert...more

Holland & Hart - Your Trial Message

Witnesses, Remember Confidence is a Behavior

Testifying, whether in a deposition or in trial, can feel pretty threatening. Particularly if you’re a named defendant in a lawsuit, you know you’re going to be the target. But even when you’re on the other side, or you’re an...more

IMS Legal Strategies

Trial Preparation Through a Strategic Lens

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We know that successful trial outcomes are rarely the result of a single, game-changing moment. Instead, they are built on preparation, precision, and the cumulative impact of small, strategic decisions. In a recent IMS...more

Tyson & Mendes LLP

Trial Prep: Expectation vs. Reality

Tyson & Mendes LLP on

When I first decided I wanted to become an attorney, I did not think about being in trial. Even in law school, I gave little thought about what it would mean to be in trial. Like a lot of people, my experience with being in...more

IMS Legal Strategies

5 Tips for Med Mal Expert Testimony from a Hot Seat Veteran

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As a presentation technology consultant, I have been sitting in the hot seat for almost 25 years. I average one trial a month with about 75% being medical malpractice (med mal) cases. I work with both plaintiff and defense...more

U.S. Legal Support

Realtime Depositions: Enhancing Legal Proceedings

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Nearly 150 years after Miles Bartholomew introduced the first shorthand machine, the various technologies and tools utilized to record court proceedings and legal matters continue evolving. Today, realtime deposition...more

Marshall Dennehey

Personal Observations of a Police Officer Deemed Lay Testimony

Marshall Dennehey on

State v. Rodner, 2024 WL 832307 - The defendant-appellant appealed his conviction for failure to yield the right of way after a trial de novo in the Law Division, arguing that the responding officer provided impermissible...more

Frantz Ward LLP

Just What I Wanted for the Holidays: Changes to the Federal Rules of Evidence

Frantz Ward LLP on

There is an adage that lawyers learn the version of the rules of evidence and procedure that are current when they are in law school and then do not look at them again. While that is (hopefully) an exaggeration, it is always...more

Genova Burns LLC

New Jersey Supreme Court Rules Drug Recognition Expert Testimony Admissible Under the Daubert-Accutane Standard

Genova Burns LLC on

On November 15, 2023, the New Jersey Supreme Court released its decision on the much anticipated issue of whether Drug Recognition Expert (DRE) testimony is admissible under New Jersey Rule of Evidence 702. The Court...more

Polsinelli

10 Steps to Better Managing Mass Tort Litigation

Polsinelli on

From the now decades old asbestos litigation to pharmaceuticals and product liability cases to the newly developing PFAS or “forever chemical” lawsuits, mass tort litigation has increasingly become the tool of choice by which...more

Buckingham, Doolittle & Burroughs, LLC

How to Prove Defamation Damages

Damages are an element to proving almost any civil claim, but is an essential element to all defamation and privacy claims. For those who have experienced online defamation and online harassment, it may seem obvious that you...more

Esquire Deposition Solutions, LLC

Deposition Testimony Fell Short of Proving Fraud Against Insurer

A prior blog post discussing effective cross-examination of expert witnesses during a deposition noted that litigators have an important decision to make when favorable, but unexpected, testimony is extracted from a...more

Holland & Knight LLP

Podcast - Finding the Balance

Holland & Knight LLP on

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

Holland & Knight LLP

Podcast - A Tortured Journey with the Lying Witness

Holland & Knight LLP on

In the third episode of his "Ethical Witness Preparation" podcast series, "A Tortured Journey with the Lying Witness," litigation attorney Dan Small takes an in-depth look at a Massachusetts Supreme Judicial Court Rule and...more

Bradley Arant Boult Cummings LLP

30(b)(6) vs. 702 – Is Your Witness a Party or an Expert?

Earnest v. Sanofi U.S. Services et al, U.S. Circuit Court of Appeals for the Fifth Circuit, No. 20-30184 (Feb. 10, 2022) - The plaintiff sued Sanofi U.S. Services, Inc. and Sanofi-Aventis U.S., LLC in the Eastern District...more

McGuireWoods LLP

Courts Deal With "Dual-Hat" Experts: Part II

McGuireWoods LLP on

Last week's Privilege Point addressed a court's careful sorting out of discovery issues implicated when a non-testifying consulting expert created documents arguably related to his later role as a testifying expert. About two...more

McGuireWoods LLP

Courts Deal With "Dual-Hat" Experts: Part I

McGuireWoods LLP on

Fed. R. Civ. P. 26(a)(2)(B)(ii) governs testifying experts' duty to produce "the facts or data considered by the witness in forming" his or her opinion. Fed. R. Civ. P. 26(b)(4)(D) governs dramatically different...more

Mintz - Intellectual Property Viewpoints

Patent Owner Tip #3 for Surviving An Instituted IPR: How Patent Owner Experts Go from Zero to Hero

Drafting the expert declaration is another critical task for Patent Owners during the inter partes review (“IPR”) discovery period. As noted in our previous post, IPR expert witnesses provide declarations as affirmative...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

Fox Rothschild LLP

Gag Orders In Child Custody; Can Best Interests & Free Speech Be Balanced?

Fox Rothschild LLP on

Father adopted a child with mother. Mother died two year later. Father remarried the stepmother in 2012, with whom this litigation took place. Stepmother adopted the child a year later. The marriage lasted less than a...more

Goodwin

ITC 337 Quarterly Insider Q2 2020

Goodwin on

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

Jones Day

PTAB Grants Rare Request For Live Witness Testimony In IPR

Jones Day on

While PTAB proceedings are ordinarily decided “on the papers,” in certain rare cases the Board will permit live witness testimony at the oral hearing. The Board’s precedential decision in K-40 v. Escort explains that...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

Trial Practice Guide Updates – Discovery, Testimony, Motions to Amend, and Joinder

Jones Day on

Our prior post on the PTAB’s second update to the AIA Trial Practice Guide (TPG), published July 15, 2019, highlighted the additional guidance provided for petitions, patent owner preliminary responses and claim construction....more

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