Law Offices Of

Steve Costello

Born and raised in San Antonio, Texas, Steve Costello attended San Antonio College and has degrees from the University of Texas at Austin and Texas A&M University. He worked as a chemist, Six Sigma Black Belt, intellectual property manager and patent agent at the Dow Chemical Company for 20 years. He is a co-invnetor on U.S. Patent No. 5,977,422 and has co-authored published articles in several scientific journals, including S.A. Costello, B. Roop, Z.-M. Liu, and J.M. White, "Photochemistry of CH3Br Adsorbed on Pt(111)," The Journal of Physical Chemistry 92 (1988) 1019. Mr. Costello completed law school at South Texas College of Law in Houston while working full-time as an intellectual property manager for Dow Chemical. 

While in law school, Mr. Costello participated in moot court and mock trial, made the Dean's List in the Spring Semester 2005, and served as Assistant Articles Editor for South Texas Law Review. He co-authored a brief as the member of a two-person team of participants in the 2006 Spurgeon E. Bell Memorial Intramural Moot Court Tournament. The brief won the honor of Third Best Brief for the event.  After doing commercial litigation at the Hodge Law Firm in Galveston, Texas for almost 5 years, he opened his own practice and currently also serves of counsel to the Law Offices of Alex R. Hernandez Jr. PLLC.  Steve Costello has represented creative clients large and small for over 10 years. Our practice has a focus on business lawintellectual property and music law helping inventors, musicians, photographers, and other creative people advance their businesses and protect their intellectual property—patenttrademark and copyright.  As a former research chemist and inventor, Steve Costello has hands-on experience with how the law affects technology and the creative process. Our firm also has experience in other common legal matters, including wills and probatefirst party insurance claimsSocial Security disability claims, and civil litigation. Staying ahead of the law’s frequent changes and serving his clients with diligence and integrity is Steve's passion. Let us have the opportunity to earn your trust. It would be our privilege to represent you.


  • South Texas College of Law - Juris Doctor, 2007
  • The University of Texas as Austin - M.A., Chemistry, 1988
  • Texas A&M University - B.S., Chemistry, 1984

Activities & Affiliations:

  • Houston Intellectual Property Law Association, Member

Bar Admissions:

  • Texas
  • United States Patent and Trademark Office