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Articles about intellectual property litigation and technical expert witnesses.

What is Expert Witness Testimony?

Posted on: January 21, 2020

In the context of a civil or criminal court case, a witness is a person who answers questions under oath during a deposition or a trial.  The statements of each witness are his testimony, which is one type of evidence that the trier of fact (judge or jury) may consider in reaching its ultimate decision about what happened.  Significantly, there are several types of witnesses—including expert witnesses—with the rules regarding testimony depending on the type.  In particular, this article explains why opinions are allowed to be included in expert witness testimony.

Differences Between U.S. and Canadian Courts

Posted on: January 20, 2020

Laws and legal systems vary by country, sometimes substantially.  Being geographical and cultural neighbors that also share a basis in British common law, it might seem that courts in the United States and Canada would be among the most similar in the world.  In fact, however, there are many significant distinctions.  In this article we summarize some noteworthy differences.

Infringement vs. Invalidity in Patent Litigation

Posted on: January 20, 2020

It is often a challenge for non-lawyers—including expert witnesses new to patent litigation—to distinguish between the phrases "patent infringement" and "patent invalidity."  Adding to the potential for confusion, these two very different legal concerns are often at issue in a single trial and thus to be considered and decided by the very same judge or jury.  This article clarifies the distinction between infringement and invalidity.

Best Practices in Software Source Code Discovery

Posted on: November 26, 2018

Software has become ubiquitous. From microwave ovens to electronic throttle controls, it is now embedded into the fabric of our lives through billions of new products each year.  Whether for infringement of intellectual property rights or product liability, when products controlled by software are the subject of litigation, it is imperative to analyze the embedded software, also known as firmware, properly and thoroughly.