About
Mark Heidenreiter is a founding and managing attorney at Heidenreiter Law Firm, PLLC, who provides strong legal guidance across a wide range of cases. He represents clients in criminal defense, family law, personal injury, expungements, and estate matters. His approach is focused, strategic, and driven by results. Clients rely on his ability to explain legal issues in simple terms and build clear plans. He works closely with each client to protect their rights and pursue the best possible outcome in every case he handles.
Mark earned his J.D. from The University of Tulsa College of Law, where he studied from 2006 to 2009. His legal education gave him strong training in legal research, writing, case analysis, and advocacy. That academic foundation continues to support his work in a wide range of legal matters. His time in law school helped shape a practical and disciplined approach to representation. He uses that knowledge to address legal issues carefully and guide clients through important decisions with confidence.
Mark has built a respected legal career in Oklahoma over the years. He has been licensed since 2009 and has handled a wide range of cases. His experience allows him to respond quickly and plan effective strategies. He is known for being prepared and focused in court and in negotiations. His consistent work has earned him the trust of clients seeking reliable legal help in difficult situations and important decisions across a wide range of legal matters today.
Mark Heidenreiter is dedicated to helping people solve legal problems with confidence. He takes time to understand each client’s situation and goals. By providing clear advice and steady support, he helps clients make informed choices. He works to reduce stress and keep clients updated at every stage. His commitment to fairness and results makes him a dependable advocate. Clients benefit from his attention to detail and drive to achieve practical, positive outcomes in each case he handles daily.
Law Office Affiliations
- Founding & Managing Attorney, Heidenreiter Law Firm, PLLC
- Member, Oklahoma Bar Association
Licensed State
- Oklahoma
Education
- The University of Tulsa College of Law
Juris Doctor (JD)
Awards & Badges

- Assault & Battery
- Drug Crime
- DUI & DWI
- Expungement
- Juvenile
- Speeding & Traffic Tickets
- Power of Attorney
- Trusts
- Wills & Living Wills
- Adoption
- Child Custody
- Child Support
- Divorce & Separation
- Guardianship
- Paternity
- Car Accidents
- Medical Malpractice
- Motorcycle Accidents
- Slip & Fall Accidents




