Tag: evidence

Employee and Inventor Witnesses in Patent Trials: The Blurry Line Between Expert and Lay Testimony

Alex Reese

Parties in patent infringement lawsuits frequently must choose a witness to explain complex or scientific technology behind an invention or an accused product that sits at the heart of a claim or a defense. Often, the parties select an employee witness such as an engineer, scientist, or a named inventor of the patent-in-suit who can testify based on first-hand experience with the technology in question rather than a hired expert, who must prepare an expert report and who may not share the same incentives and goals as the litigant.... Read more about Employee and Inventor Witnesses in Patent Trials: The Blurry Line Between Expert and Lay Testimony