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Expert Witness Expert Testimony

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

Marshall Dennehey

Supreme Court of New York, Appellate Division Reversed Jury Verdict to Dismiss Complaint, Finding the Supreme Court Exercised...

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Deliz v. Julia Rose Transport, --- N.Y.S.3d --- (N.Y. App. Div. 2d Dept. 2024) - In Deliz, the plaintiff presented an expert witness to testify that the most likely cause of the motor vehicle accident was that the defendant...more

BakerHostetler

The Difference Between Theory and Practice: Lighting Defense Group LLC v. Shanghai Sansi Electronic Engineering Company Ltd., et...

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You can’t make applesauce out of oranges — and experts may not cook up opinions with contrary facts. In Lighting Defense, the patent damages expert opined that in a “hypothetical negotiation,” the parties would have agreed to...more

Dickinson Wright

Can an Expert Define and Determine What Constitutes Discrimination?

Dickinson Wright on

In employment discrimination cases, the parties often retain experts to opine about various aspects of the case. An expert may provide, for example, insight as to job performance issues or, in many instances, determine the...more

Faegre Drinker Biddle & Reath LLP

Plaintiff’s Half-Baked Attempt to Prove Defect and Causation With Photographs of Moldy Bread Shows the Knead for Expert Testimony

A picture may be worth a thousand words, but that doesn’t make the camera an expert witness. Product liability actions usually require expert testimony to prove defect and causation. Pictures, like other documents, can be...more

McGuireWoods LLP

Northern District of Indiana Excludes Battery Expert Opinions Based on Flawed Methods

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On Sept. 30, 2024, the U.S. District Court for the Northern District of Indiana released an opinion and order excluding the opinions of a proposed lithium-ion battery expert. The now dismissed case, American Home Assurance...more

U.S. Legal Support

Fact Witness vs. Expert Witness: Key Preparation Tactics

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As it pertains to building a solid case, persuading jurors, and securing the best chances of a favorable outcome, witnesses can make or break your trial. It’s essential to utilize key witnesses to their full potential during...more

Farrell Fritz, P.C.

Court Permits Expert Reports with Disclosure Gaps but Recognizes Limits on Trial Testimony

Farrell Fritz, P.C. on

My colleague Matt Donovan recently wrote about the requirements of Commercial Division Rule 13(c) and highlighted certain decisions in which expert reports were precluded for non-compliance. This week’s post looks at a...more

U.S. Legal Support

Best Practices for Preparing an Expert Witness for Deposition

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As a trial attorney, you’ll often enlist expert witnesses to evaluate claims, clarify complex evidence, write an expert witness report, and offer authoritative opinions. Because time and money can be tight during trial prep,...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

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

Miles Mediation & Arbitration

Litigating Healthcare Malpractice Cases: Challenges for Plaintiff’s and Defense Counsel

Even if they involve similar facts or injuries, no two medical malpractice cases are alike. Juries are laypeople who must consider testimony from medical experts and other witnesses and determine credibility and competence....more

Fox Rothschild LLP

No, Courts Cannot Just Adopt A Court Appointed Expert’s Opinion Without a Cross Examination

Fox Rothschild LLP on

The Rules of Court clearly allow a Family Part Judge to appoint their own expert on any issues, whether custody or economic issues, in order to aid the court in making a decision on an issue before the Court. The Court rule...more

Cooley LLP

A Sword and A Shield: How SCOTUS Expert Testimony Rulings May Benefit Corporate Defendants

Cooley LLP on

The US Supreme Court decided several criminal procedure cases during the 2023 – 2024 term – including Diaz v. United States, 144 S. Ct. 1727 (2024) and Smith v. Arizona, 144 S. Ct. 1785 (2024) – which have relevance and...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

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

Arnall Golden Gregory LLP

Government Investigations Team Insights - July 2024

AGG’s Government Investigations Team Insights provides periodic updates covering legal and regulatory topics. Our team, which includes former federal prosecutors, SEC enforcement attorneys, and federal agency attorneys, has...more

Faegre Drinker Biddle & Reath LLP

Plaintiffs’ Second Bite at the General Causation Apple Fares No Better Than the First in Acetaminophen MDL

In December 2023, back when the ink was still drying on the amendments to Federal Rule of Evidence 702, the Southern District of New York excluded all five general causation experts proffered by plaintiffs in the In re...more

Troutman Pepper Locke

Expert on Proxy Statement Disclosures Excluded Under Daubert

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A recent decision by Judge Novak in a securities case provides some helpful reminders on expert witness practice, particularly in commercial litigation, in the EDVA....more

Marshall Dennehey

Expert Testimony on Permanency of Respiratory Injury Requires Reference to Empirical Data

Marshall Dennehey on

Garced v. United Cerebral Palsy of Phila., 307 A.2d 103 (Pa. Super. 2023) - This matter involved a plaintiff’s claim that he developed reactive airway disease syndrome (RADS) from exposure to the fogging disinfectant...more

Cooley LLP

The Dangers of Interfering with Expert Evidence

Cooley LLP on

The recent decision in Glover and Another v. Fluid Structural Engineers & Technical Designers Ltd and Others should serve as a warning to practitioners to pay heed to the strict rules regarding expert evidence and, in...more

Arnall Golden Gregory LLP

"If You Most Know, You Know”: Expert Testimony That “Most” Drug Couriers Know They’re Carrying Drugs Allowed to...

If you know, you know. The government’s less familiar version — if most know, the defendant knows — just got a boost from the Supreme Court of the United States, which recently held that Federal Rule of Evidence 704(b) did...more

Epstein Becker & Green

Late-Term Flood of Decisions Continues, Disagreement Among Justices Increasingly Pronounced - SCOTUS Today

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With the current term of the Supreme Court soon to end, the run of decisions in which the Justices have been unanimous or close to it is being displaced by the “tougher” ones, in which there is substantial disagreement....more

Miller Canfield

Junk Science or Relevant Evidence: Supreme Court Says Experts May Now Aid in Determining Criminal Intent

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In criminal cases, oftentimes the most significant element in dispute is whether the defendant harbored the intent to “knowingly” or “willfully” violate the criminal law at issue.  If the defendant denies that he knew what he...more

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