When it comes to intellectual property, patent infringement expert witnesses require a strong understanding of electronics hardware and software design, development and architecture.  In addition, these experts must also be able to identify how the ideas, methodologies, and constructions behind the development of the apparatus relate to intellectual property laws and rights. 

From claim construction through trial testimony, Barr Group's patent and litigation team provide comprehensive and thorough examination services for hardware and software intellectual property and patent litigation cases.  Our intellectual property and patent litigation expert witnesses are experienced with legal disputes and litigation involving the following intellectual property law violations:

  • Direct patent infringement
  • Indirect patent infringement (including Contributory Patent Infringement and Induced Patent infringement)
  • Willful patent infringement
  • Literal infringement
  • Doctrine of equivalents

Claim Construction and Evaluation Services

Barr Group’s patent infringement expert witness teams are staffed depending on the needs of the case. Our teams are made up of mechanical, electrical, and software engineering experts who have the necessary technical knowledge and experience related to the type of technology associated with the case. 

Patent infringement expert services include:

  • Claim Construction
  • Source Code Discovery
  • Software Source Code Analysis
  • Forensic Testing and Analysis
  • Expert Reports
  • Expert Testimony for Depositions, Hearings, and Trials

Sample Product Liability Case Portfolio

For a complete list of cases supported by Barr Group, contact experts@barrgroup.com.

Mobile & Wireless Devices

Product:  Smartphone
Case Type:  Patent Infringement against multiple parties

Consumer Electronics

Product: DVR technology
Type of Case:  Patent infringement


Product:  Slot machines
Case Type: Software Patent infringement