Patents Lawyer Serving Harris County, TX. (713) 437-3935; Free Consultation; Offers Video Conferencing. Harris Beach represents patent owners and accused infringers in patent litigation throughout the United States.Design patents are easy to apply for, and inexpensive. Your invention must be of a type that is patentable, e.g. Leveraging a background in mechanical and electrical engineering, Phil develops legal strategies. Litigation of Patents, Trademarks, Copyright and Trade Secrets. Find the best trademarks attorney serving Harris County. He focuses his practice on U.S. and foreign patent, trade secret, trademark, copyright and unfair competition matters, with particular emphasis on litigation. Colin B. Harris is a partner in Oblon's Patent Prosecution group, and Chair of the firm's Industrial Designs practice group. Mavis has practiced patent and trademark law both in the U.S. and Germany.