Barr Group’s expert witnesses provide technical consulting and testifying expert witness services for product liability, patent infringement, software copyright, and software trade secret litigation filed with the United States District Court, United States Patent and Trademark Office (USPTO), International Trade Commission (ITC), and other courts across the United States and Canada.

Representative Law Firms

Electronics and software litigation cases supported by Barr Group experts have ranged from individual copyright infringement cases to large class-action lawsuits that have resulted in billions of dollars in settlement compensation.  Law firms previously supported by Barr Group include:

Bailey & Glasser
Ball & Bonholtzer
Blank Rome
Bragalone Conroy
Bryan Cave
Bucci Bailey & Javins
Cohen Milstein Sellers & Toll
Covington & Burling
Cunningham Bounds
Curtis and Lucero Law Firm
Daniels, Fine, Israel, Schonbuch & Lebovits
DiCello Levitt & Casey
DiNovo Price
​Drinker Biddle & Reath
Fish & Richardson
Freitas Angell & Weinberg
Gary C. Johnson
Grant & Eisenhofer
Gutride Safier
Hagens Berman Sobol Shapiro
Hinckley, Allen & Snyder
Howison & Arnott
Karish & Bjorgum
Keller Rohrback
Kirton McConkie
Koskoff, Koskoff & Bieder
Lieff Cabraser Heimann & Bernstein
​Lyons & Flood
Matheny, Sears, Linkert, Jaime
McAndrews Held & Malloy
McCarthy Tétrault
​McCune Wright
Morrison & Foerster
Morriss and Shim - Attorneys at Law
​Nelson Bumgardner Casto
Nixon Peabody
O’Melveny & Myers
Patricia Jo Stone- Attorneys at Law
Pittman, Germany, Roberts & Welsh
Quarles & Brady
Quinn Emanuel Urquhart & Sullivan
Ray Quinney & Nebeker
Robinson Calcagnie
​Rochon Genova
Ropes & Gray
Sonnenschein
Stanley Law Group
​Sterne Kessler Goldstein & Fox
Susman Godfrey
Thos. J. Murray & Associates
Weil, Gotshal & Manges
West Law Firm
Wigington Rumley Dunn & Ritch​
Winston Strawn
Yarmuth Wilsdon