Rosenthal Pauerstein Sandoloski Agather LLP
(210) 225-5000

755 East Mulberry, Suite 200
San Antonio, Texas 78212

We are personally available when you need us.

William H. Quirk, Partner


Practice Areas

Chairman of the Intellectual Property Group, William H. Quirk is a certified patent attorney, admitted to practice in the State of Texas and before the U.S. Patent and Trademark Office.  Mr. Quirk has practiced intellectual property law for more than thirty years and in FDA and regulatory affairs for nearly as long.  Mr. Quirk is gifted in strategically managing legal affairs for technology development enterprises, developing and monetizing their intellectual property portfolios and resolving pathways for favorable regulatory treatment, all in sync with true corporate objectives.

Before joining the firm in 2008, Mr. Quirk served the bulk of his career as in-house counsel for two technology-based consortiums, most recently as General Counsel for medical and veterinary technology developer Vital Needs International, and previously as Associate General Counsel for Intellectual Property and Regulatory Affairs with Kinetic Concepts, Inc., a global medical technology company that leads the marketplace in advanced wound care and therapeutic surfaces.  Prior to that, Mr. Quirk engaged in private law practice, focusing on patent and trademark preparation and prosecution.

Education & Bar Admissions

Juris Doctor, St. Mary’s University School of Law

Bachelor of Science, Mechanical Engineering, Texas A&M University

Member, State Bar of Texas

Member, San Antonio Bar Association

Community Involvement

As an involved community leader, Mr. Quirk also serves today on various civic and charitable boards.


“Best Lawyer” Intellectual Property, S.A. Scene Magazine (2014-2022)

“Best Lawyer” Patent Law Best Lawyers in America (2021, 2022 Edition)