Topic
Expert Testimony
566 published works
Drug & Device Law
King Checkmated
By Bexis
We commented about the King v. DePuy litigation several years ago because this was one of the cases where Pinnacle Hip plaintiffs tried and failed to use a turncoat expert. …
Drug & Device Law
Update on the New 4th Edition of the Reference Manual on Scientific Evidence
By Bexis
Last month we were one of the first on the web with a review of the new Reference Manual on Scientific Evidence, Fourth Edition. Since it was nearly 1700 pages…
Zalma on Insurance
Expert’s Personal Knowledge or Experience Can Assist Jury
By Barry Zalma
Proposed Expert Testimony That is Both Reliable and Relevant is Proper Not All Expert Testimony must be Scientifically Reliable Post number 5284 See the video at https://rumble.com/v75ns7y-experts-personal-knowledge-or-experience-can-assist-jury.html and at https://youtu.be/KsqNjTlx82Y…
ContractsProf Blog
Contract Interpretation and Patent Renewal Services
Sid DeLong provided the helpful reminder on this Blog that, in order to understand a case, you have to understand the business. With my background in the humanities and my…
The Patent Playbook
Federal Circuit Eases Expert Admissibility Threshold
In a decision that is quickly gaining attention, the Federal Circuit held that the district court abused its discretion by excluding both of Plaintiff’s experts and subsequently granting Defendants’ judgment…
Drug & Device Law
Pennsylvania Supreme Court Rejects Dilution of “Reasonable Certainty” Standard for Expert `testimony
How many times have you seen a lawyer end the trial direct examination (or deposition redirect) of his/her expert by perfunctorily asking, “Do you hold all your opinions to a…
EvidenceProf Blog
Seventh Circuit Finds Expert Testimony About the Need for an Independent Service Brake Was Improperly Excluded in Lawsuit Over Lawnmower Accident
By Colin Miller
It's pretty rare for an appellate court to reverse a trial court's ruling deeming expert opinion testimony inadmissible under Federal Rule of Evidence 702. That makes the recent opinion of…
Philadelphia Criminal Defense Blog
PA Supreme Court: Expert Testimony on “Manner of Death” Must Be Held to a Reasonable Degree of Medical Certainty
Criminal Defense Lawyer Zak T. Goldstein, Esquire The Pennsylvania Supreme Court has issued a significant decision in Commonwealth v. Fitzpatrick, ruling that expert witnesses testifying about the "manner of death"…
Intellectual Property Law Blog
The Federal Circuit Remands for a New Trial After Finding Untimely Expert Disclosure
Topic: The Federal Circuit reversed the district court’s admission of D R Burton Healthcare’s expert testimony due to untimely disclosure and unreliability under the Federal Rules of Evidence 702. The Federal…
Drug & Device Law
Georgia Gets On Board With FRE 702 for Expert Testimony
By Lisa Baird
Yesterday we did our annual best of/worst of CLE, “The Good, the Bad and the Ugly: The Best and Worst Drug/Medical Device and Vaccine Decisions of 2025”. It was good…