Corey Brennan | Oklahoma Criminal Defense Attorney

About Corey Brennan

Corey Brennan is a trial attorney from Oklahoma City, Oklahoma, and has proven himself to be one of the state’s most formidable criminal defense trial attorneys. Known for his skill in the courtroom, his strategic approach to complex criminal cases, and his relentless advocacy for his clients, Mr. Brennan has built a strong reputation across Oklahoma as an attorney who fights to win.

Mr. Brennan focuses his practice exclusively on criminal defense, representing clients in misdemeanor and felony cases throughout Oklahoma. Whether defending someone against a DUI, drug offense, or serious violent felony, he is committed to protecting his clients’ rights, freedom, and future.

Education and Background

Corey earned his Juris Doctor from the Oklahoma City University School of Law, where he distinguished himself as one of the top trial advocates in his class. During law school, he was:

• Selected as a National Member of the Order of Barristers for excellence in trial advocacy

• Awarded the CALI Award for earning top honors in Trial Practice

• A competitor in the American College of Trial Lawyers (ACTL) National Trial Competition

• A member of the OCU Law Moot Court Society

• One of a limited number of students to receive a limited license to practice law while still in law school

After graduating, Mr. Brennan passed the Oklahoma Bar Exam on his first attempt. Since that time, he has successfully represented individuals in a wide range of criminal matters, including major felony jury trials. His combination of academic excellence, courtroom experience, and deep knowledge of Oklahoma law has made him a trusted advocate for clients across the state.

Criminal Defense Practice Areas

Corey has defended clients against an extensive range of charges, including but not limited to:

• Acquiring Proceeds from Drug Activity
• Aggravated Assault and Battery
• Aggravated Eluding
• Assault and Battery / Assault and Battery by Strangulation
• Burglary
• Child Abuse / Child Sexual Abuse
• Conspiracy to Commit a Felony
• Domestic Abuse
• Discharging a Firearm from a Vehicle
• Driving Under the Influence (DUI)
• False Declaration to a Pawn Broker
• False Personation of a Peace Officer
• Kidnapping
• Knowingly Concealing Stolen Property
• Larceny
• Lewd Acts with a Child Under 12
• Manslaughter
• Murder
• Possession of a Controlled Dangerous Substance (CDS)
• Possession of CDS with Intent to Distribute
• Possession of Marijuana / Drug Paraphernalia
• Possession of Child Pornography
• Rape
• Solicitation of Prostitution
• Trafficking in Illegal Drugs
• Unlawful Communication by Use of Technology
• Unlawful Possession of a Weapon
• Unlawful Use of a Police Radio
• Use of a Firearm During a Felony
• Using a Computer to Violate Oklahoma Statutes
• Victim Protective Orders (VPOs)

Trial Philosophy and Approach

Mr. Brennan believes that preparation and persistence win cases. He approaches each case as if it will go to trial, carefully examining every piece of evidence, identifying constitutional violations, and challenging illegal searches and arrests.

Whether he is arguing motions to suppress unlawfully obtained evidence, cross-examining witnesses, or persuading a jury to acquit his client, Mr. Brennan’s commitment to excellence and justice never wavers. His clients benefit from his unwavering focus, trial skill, and passion for protecting their rights.

Since beginning his practice, Mr. Brennan has consistently proven himself as one of Oklahoma’s most aggressive and effective criminal defense attorneys. His dedication to his craft and desire to win have earned his clients exceptional results and the respect of judges, peers, and opposing counsel alike.

Client Commitment

Corey treats every client with respect and honesty. He provides straightforward legal guidance, keeps clients informed at every stage, and fights tirelessly to achieve the best possible outcome in every case—no matter how serious the charge.

When you hire Corey Brennan, you gain more than an attorney—you gain a relentless advocate who will stand beside you every step of the way.

Contact Corey Brennan

If you or a loved one is facing criminal charges in Oklahoma, contact Attorney Corey Brennan today to schedule a confidential consultation.

Phone: 405-633-3420
Office: 625 NW 13th St Ste B, Oklahoma City, Ok 73103
Serving: Oklahoma City, Edmond, Norman, Tulsa, and surrounding areas.