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One of Oklahoma’s premier criminal defense trial attorneys. Corey's professionalism reflects his passion for criminal law and courtroom advocacy. Mr. Brennan’s diligent preparation and experience dealing with prosecutors and judges from all over the state of Oklahoma enable him to effectively defend his clients’ Constitutional rights in both negotiation and courtroom litigation.
Mr. Brennan started his legal career at the Oklahoma City University (OCU) School of Law, where he established himself as a hard-working and dedicated student. His desire to become a trial attorney and his willingness to sacrifice earned him a Limited License to practice law while still attending school as a full-time student.
While in law school, he was selected as a National Member of the Order of Barristers for his excellence in trial practice, and he was awarded the Cali Award for earning top honors in the study of Trial Practice. In addition, Mr. Brennan competed in the American College of Trial Lawyers (ACTL) National Trial competition and was a member of the OCU Law Moot Court Society.
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Chat withState: Oklahoma
Acquired: 2015
No misconduct found
625 NW 13th St. Ste A, Oklahoma City, OK, 73103
38 Client Reviews
Showing 1 - 5 of 6 reviews | Practice Area Knowledge
Posted by Wade | March 06, 2025 | Hired Attorney | Criminal Defense
Great attourney
I cannot express enough how grateful I am for the exceptional legal representation provided by Mr. Brennan. From our initial consultation, it was clear that I was in the hands of a true expert in criminal defense. He demonstrated an impressive understanding of the law and took the time to thoroughly ...
Posted by Murph | October 29, 2020 | Hired Attorney | Criminal Defense
Phenomenal Attorney
He is the best Criminal Defense I’ve come across. An absolute bull dog, well respected, and IS the best you can retain. He is extremely knowledgeable and will fight for you. Extremely professional while still correction corruption of the justice system. I’ve even retained him before to fix previous a...
Posted by Cassie | January 30, 2019 | Hired Attorney | Lawsuits & Disputes
Tough and thorough
From the beginning of my case, Corey was hard working, thorough, and honest with me about all possibilities. His experience with a variety of cases, knowledge of the law, and experience in many different courtrooms gave him an excellent knowledge base for my particular situation. He was tough and rea...
Posted by anonymous | October 11, 2018 | Hired Attorney | Criminal Defense
Best criminal defense attorney in OKC
Cory took my case on a probation violation that I didn’t even know I had till they picked me up. Cory researched everything, went to battle for me when the courts were inaccurate. He had me do some pre court classes and such in advance so that the outcome would be in my favor. Not one time did he jud...
Posted by anonymous | July 22, 2017 | Hired Attorney | Criminal Defense
Honest, upfront & loyal
Mr Brennan was great with assisting me on my larceny case. He was always professional and caring. He walked me though the entire process and made me feel better when I was completely broken. I would highly recommend Mr. Brennan!!!
"Corey is a tough attorney who will vigorously fight for his clients. I have worked with him on multiple occasions, and there are few attorneys that have Corey's passion and work ethic."
Criminal defense lawyer
2015
JD - Juris Doctor
English