Dr. William Ziehler’s legal practice focuses on the drafting and prosecution of chemical, biochemical, and biomedical patent applications. He also prepares freedom-to-operate opinions and prior art searches in the chemical arts and life sciences.

William B. ("Bill") Nash is a partner in Haynes and Boone's Intellectual Property Litigation Practice in the firm's Dallas and San Antonio offices.

William Coston is Chair of Venable's Intellectual Property Division. He concentrates on litigation and counseling in antitrust and intellectual property matters.

Bill Meyer is a trial lawyer with considerable trial and other courtroom experience. Based in Chicago throughout his 23-year career, he has defended and advised clients in a wide variety of complex litigation matters in numerous industries.

Will Pecau, a partner in Steptoe's Washington office, is an intellectual property litigator who has represented clients as lead trial counsel in trademark, unfair competition, false advertising, copyright.

William Baker is a member of the Intellectual Property Litigation Group. An experienced trial lawyer, Mr. Baker has handled a wide variety of intellectual property and commercial disputes and has first-chaired more than two dozen trials.

William J. Clemens is an electrical engineer and patent attorney registered to practice before the United States Patent and Trademark Office.Bill has practiced intellectual property law for more than 40 years.

William J. Dorsey, a partner in the firm’s Litigation and Dispute Resolution practice, practices in the areas of creditors’ rights, real estate, complex commercial and intellectual property litigation.