Liv Herriot’s practice focuses on intellectual property litigation. Ms. Herriot also advises clients regarding intellectual property strategy and licensing. Ms. Herriot has served clients in the computer software, financial services, telecommunications, microprocessors and other industries. She has litigated at all stages of patent disputes, from the filing of the complaint through trial. Ms. Herriot has been a member of multiple WilmerHale trial teams in federal district courts. She enjoys digging into, mastering and, ultimately, distilling complex technology. She regularly prepares and defends fact and expert depositions. Ms. Herriot has argued summary judgment motions and at multiple Markman hearings.

Ms. Herriot has successfully litigated the largest "bet-the-company" matters. She also has had substantial success handling smaller matters with streamlined case teams to efficiently obtain results. Ms. Herriot is a member of the firm’s Western District of Texas litigation working group.

Ms. Herriot is a member of the firm's Pro Bono Committee and maintains an active pro bono practice. She presented an expert witness and successfully argued in state court for her pro bono client to be resentenced from his prior sentence of 25 years to life under California's Three Strikes Law. She successfully obtained asylum for a client based on her membership in the particular social groups "Mexican women in domestic relationships who are unable to leave" and/or "Mexican women who are viewed as property by virtue of their positions within a domestic relationship." Ms. Herriot has also worked on a Ninth Circuit appeal for a habeas case relating to when the one-year bar to file petitions can be tolled. She has also assisted multiple victims of violent crimes who cooperated with the police with obtaining a u-visa to remain lawfully in the United States.