His practice is multidisciplinary and encompasses strategic counseling and opinion work, as well as litigation and post-grant proceedings. His trial experience includes bench and jury trials in several district courts, including California, Delaware, Massachusetts, New Jersey and New York. His appellate experience includes multiple cases before the United States Court of Appeals for the Federal Circuit as well as other Circuits. Mr. Prussia's post-grant practice includes several inter partes review (IPR) proceedings. He has argued major motions, cross-examined key witnesses, and argued before the Patent Trial and Appeal Board. Mr. Prussia has also has represented parties in the International Trade Commission.