About
Guillermo S. Dekat provides trusted legal services in business formation, copyright, trademarks, estate planning, and commercial litigation. He has built a reputation for solving complex legal issues and offering practical advice to businesses and individuals. Guillermo combines a strong legal background with a deep commitment to his clients’ needs.
Guillermo earned his B.S. in Biology from the United States Air Force Academy in 2000 after graduating from Winston Churchill High School in 1996. Later, he pursued his J.D. from St. Mary’s School of Law, completing it in 2009. His educational path prepared him with discipline and critical thinking skills vital for a strong law career.
After serving as an intelligence officer with the Air Force, Guillermo transitioned into law with a focus on helping people safeguard their assets and businesses. Since his admission to the State Bar of Texas in 2009, he has represented clients in state courts and the U.S. District Court of the Western District of Texas.
Guillermo actively participates in the legal community through his membership with the State Bar of Texas. Over the years, he has worked on hundreds of cases, tailoring his approach to meet each client’s unique goals and circumstances. His professional journey shows his passion for problem-solving and advocacy.
Clients appreciate Guillermo’s ability to simplify legal processes and provide clear strategies. His experience in both the military and legal fields brings discipline, focus, and strong ethics to every case. He remains dedicated to protecting clients’ rights and achieving the best outcomes possible.
Outside the courtroom, Guillermo S. Dekat continues to volunteer and support local causes. His strong community ties and commitment to service reflect his dedication both professionally and personally. He brings the same energy and care to his practice that he shows in his community efforts.
Law Office Affiliations
- Attorney, Flume Law Firm, LLP
- Member, Trinity Grace Church
Licensed State
- Texas
Education
- St. Mary’s School of Law
Juris Doctor (JD) - United States Air Force Academy
Bachelor of Science (BS)
Awards & Badges

- Commercial Real Estate
- Copyright Application
- Copyright Infringement
- Trademark Application
- Trademark Infringement
- Corporate And Incorporation
- Litigation