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Employee And Inventor Witnesses In Patent Trials: The Blurry Line Between Expert And Lay Testimony, Alex Reese

Alex Reese

Parties in patent lawsuits that are going to trial face a crucial choice: who is the best witness to explain the often complex or scientific technology behind an invention or an accused product? Often, the parties will select an employee witness such as an engineer, scientist, or a named inventor of the patent-in-suit to offer this key testimony rather than a hired expert. Many litigants have found that there are benefits to choosing an employee witness 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 …