Blog - Expert Witness

Posted on September 22, 2020 by Vident Partners

We are pleased to introduce Douglas J. Blair, an expert in the field of electronic medical records (EMR).  Doug is a fellow of the American College of Medical Practice Executives and a Certified Professional with the Health Information Management Systems Society. 

Posted on September 8, 2020 by Vident Partners

We are pleased to announce that Barry N. Feldman, PhD has joined our panel of experts.  Dr. Feldman is a nationally recognized educator, trainer, researcher, and clinical expert in the field of suicide  intervention and prevention.  He specializes in suicide-related training, critical incident response, and crisis stabilization services for schools, military, law enforcement, emergency medical responders, healthcare providers, veterinary medical practitioners, and other professionals.  

Posted on June 16, 2020 by Dr. Stephen Thornton

(Dr. Stephen Thornton is board certified in emergency medicine and medical toxicology and is one of Vident Partners’ leading experts in those fields.  For more information about him, see 

Posted on May 19, 2020 by Marty Aisenberg

As every trial lawyer knows, the admissibility of a vast array of evidence is committed to the trial court’s discretion.  (Or “sound discretion,” as some appellate courts put it, though as far as I can tell it means the same thing.)  Consequently, one of the unavoidably nerve-wracking aspects of litigation is that Judge A and Judge B might reach opposite conclusions on the admissibility of the same evidence, yet both rulings could be upheld on appeal because neither ruling was an abuse of discretion.  So, without in any way denigrating the importance of our skill and experience in trial adv

Posted on May 12, 2020 by Peter George

One of our clients has a term for unusual or hard-to-find experts – he calls them “pink unicorns.”  We became aware of this phenomenon some years ago, even before we learned that felicitous phrase, when a  plaintiff’s attorney needed a dermatology expert for a complex case adverse to one of the most prominent and highly-regarded dermatologists in the United States.  Dozens of experts refused the case before we found a well-qualified dermatologist (not a “professional expert”) who was willing to review it.  The client was ecstatic, and obviously we were gratified to accomplish what he had be

Posted on May 5, 2020 by Marty Aisenberg

Rule 702 of the Minnesota Rules Evidence provides that “[an expert’s] opinion must have foundational reliability.”  This is the functional equivalent of Fed. R. Evid.

Posted on April 14, 2020 by Martin Aisenberg

There is a split in the circuits on the important question of whether a medical opinion can be false within the meaning of the False Claims Act (FCA).

Posted on April 1, 2020 by Peter George

Yes, Vident Partners is still open for business and actually functioning quite well.

Posted on March 3, 2020 by Peter George

During the course of our nearly 15 years in the business, we’ve provided attorneys with consulting and testifying experts in over a hundred fields of expertise for many different types of litigation.  From time to time a particular litigation area gets “hot,” which leads to attorneys requesting experts in particular specialties for an unusually high number of cases.  For example, there was a period of about 3 years a while back when we provided experts for dozens of asbestos cases.

Posted on February 25, 2020 by Marty Aisenberg

Appellate opinions usually begin with a very short introductory paragraph – just enough to orient the reader to the nature of the case and the outcome of the appeal.  Here’s a typical example:


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