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Expert Witness Expert Testimony

U.S. Legal Support

Best Practices for Preparing an Expert Witness for Deposition

U.S. Legal Support on

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

IMS Legal Strategies on

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

Expert on Proxy Statement Disclosures Excluded Under Daubert

Troutman Pepper on

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

Epstein Becker & Green on

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

Miller Canfield on

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

Epstein Becker & Green

Receive Specialized Care, Provide Specialized Testimony: New Jersey Court Says Medical Malpractice Expert Witness Must Have...

Epstein Becker & Green on

To diminish the number of frivolous lawsuits that patients file against doctors and hospitals, 28 states require that a plaintiff submit an affidavit or certificate of merit when they file a medical malpractice case....more

Faegre Drinker Biddle & Reath LLP

Supreme Court Decides Diaz v. United States

On June 20, 2024, the U.S. Supreme Court decided Diaz v. United States, No. 23-14, holding an expert’s opinion that “most people” in the defendant’s situation have a particular mental state is not an inadmissible opinion...more

Faegre Drinker Biddle & Reath LLP

Northern District of Illinois Holds that Seventh Circuit Precedent is Incompatible with Rule 702 as Amended

In explaining the December 2023 amendments to Federal Rule of Evidence 702, the Advisory Committee called out several ways in which “many courts” had “incorrectly” applied Rule 702 and failed to adequately discharge their...more

Marshall Dennehey

Limiting the Opinions of Plaintiff’s Non-Retained Expert Witnesses Regarding Injury Causation and Permanency

Marshall Dennehey on

Key Points: Plaintiff’s non-retained experts are treating physicians, and their testimony at trial should be limited to their scope of treatment, diagnosis, and prognosis with respect to the injuries alleged....more

IMS Legal Strategies

Two Lives: Clinical Surgeon And Medical Expert Witness

IMS Legal Strategies on

As a forensic orthopedic and spine surgeon, Dr. James Barlow has seen it all, but one case sticks out in memory. originally published by NCADA....more

Marshall Dennehey

Neurosurgeon’s Expert Opinions in Trial Against a Certified Registered Nurse Anesthetist Were Admissible as Plaintiff Opened the...

Marshall Dennehey on

Waechter v. Laser Spine Institute, LLC, 8th Dist. Cuyahoga No. 112022, 2023-Ohio-3715 - The plaintiff brought an action against a certified registered nurse  anesthetist (CRNA), alleging she was negligent in hyperextending...more

Stevens & Lee

Thinking Appellate Reconsideration? Remember A Few Good Men

Stevens & Lee on

During the trial in the 1992 film A Few Good Men, Lt. Commander Joanne Galloway (played by Demi Moore) lodges a “strenuous” objection to expert witness testimony. The presiding judge, Col. Julius Randolph (portrayed by J.A....more

McGuireWoods LLP

Important Changes to Rule 702 and Expert Testimony

McGuireWoods LLP on

The federal rule of evidence governing expert testimony — Rule 702 — just saw its most significant change in almost 25 years. The new Rule 702, which went into effect Dec. 1, 2023, gives litigants important new tools for...more

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