About
Roger Gassett is a highly skilled attorney based in Tulsa, Oklahoma, with a strong focus on general litigation, construction law, and commercial disputes. With years of experience handling complex legal cases, Mr. Gassett has built a reputation for providing effective legal representation. His work spans multiple practice areas, including malpractice defense, healthcare law, insurance law, Indian law, and appellate practice. Licensed to practice in both state and federal courts, Mr. Gassett is committed to helping businesses and individuals navigate legal challenges with precision and dedication.
Mr. Gassett earned his B.B.A. in Management from the University of Oklahoma in 2005. He later pursued his passion for law, obtaining his J.D. from the University of Tulsa College of Law in 2009. His academic excellence was recognized with CALI Excellence for the Future Awards in Evidence, Criminal Law & Administration, and Secured Transactions. These achievements reflect his strong legal foundation and dedication to mastering his field.
Throughout his career, Mr. Gassett has successfully represented clients in a wide range of legal matters. His expertise in litigation has helped businesses resolve commercial disputes efficiently, whether through negotiation, mediation, or trial. He has also defended professionals in malpractice cases, ensuring fair representation in complex legal situations. His work in construction law has assisted contractors, developers, and property owners in resolving disputes related to contracts, defects, and regulatory compliance.
Recognized as an Oklahoma Rising Star in General Litigation by Oklahoma Super Lawyers Magazine, Roger Gassett is a trusted trial attorney known for his strong advocacy and results-driven approach. Licensed to practice before the U.S. Court of Appeals for the Tenth Circuit, the Cherokee Nation Tribal Court, and the U.S. District Courts for the Northern and Western Districts of Oklahoma, he has the experience and qualifications to handle complex cases across multiple court systems.
As an active member of the Tulsa County Bar Association and the Oklahoma Bar Association, Mr. Gassett remains engaged in the legal community. His dedication to his clients and broad expertise make him a trusted advocate for those facing complex legal challenges.
Law Office Affiliations
- Associate, Aston, Mathis, Campbell, PLLC
- Member, Tulsa County Bar Association
- Member, Oklahoma Bar Association
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Vice-President, Tulsa Rugby Club
Licensed State
- Oklahoma
Education
- University of Tulsa College of Law
Juris Doctor (JD) - University of Oklahoma
Bachelor of Arts (BA)
Awards & Badges


- Litigation
- Construction And Development
- Medical Malpractice




