About
Robert Eliot Sisson is a criminal defense attorney with Robert Sisson Law, PLLC in Oklahoma City. He has practiced since 1989 and represents people accused of crimes ranging from DUI and drug offenses to violent crimes, homicide, gun charges, sex offenses, domestic violence, white collar matters, and theft-related offenses. His practice also includes expungements. He focuses on protecting defendants’ rights, examining the government’s evidence, and preparing cases for negotiation, motion practice, or trial.
Sisson earned a B.A. in Political Science with a Pre-Law Emphasis from Oklahoma City University and received his Juris Doctorate Degree from Oklahoma City University School of Law in May 1989. He was admitted to the Oklahoma Bar in 1989. His academic background in political science and law provided a foundation in constitutional principles, legal research, criminal procedure, and advocacy, all of which support his work evaluating arrests, evidence, charging decisions, and courtroom strategy.
Sisson has handled criminal cases involving domestic violence, DUI, drug possession, drug trafficking, drug manufacturing, and other serious felony allegations. His practice includes challenging evidence through pretrial motions and defending clients in matters where the factual record, police conduct, or admissibility of evidence is disputed. He has also worked on high-profile criminal cases. This experience requires careful review of reports, witness accounts, forensic issues, and procedural rules that can shape the defense of an accused person.
Robert Eliot Sisson brings more than three decades of criminal defense experience to clients in Oklahoma City and surrounding areas. His work covers both common criminal charges and cases carrying severe potential consequences. He helps clients understand the accusations against them, the evidence the prosecution may rely on, and the procedural choices available at each stage. His practice emphasizes careful preparation, protection of constitutional rights, and focused advocacy in negotiations, hearings, motions, and trials.
Law Office Affiliations
- Attorney, Robert Sisson Law, PLLC
- Member, Oklahoma Bar Association
Licensed State
- Oklahoma
Education
- Oklahoma City University School of Law
Juris Doctor (JD) - Oklahoma City University
Bachelor of Arts (BA) in Political Science with a Pre-Law Emphasis
Awards & Badges

- Drug Crime
- DUI & DWI
- Expungement
- Homicide
- Sex Crimes
- Violent Crime
- White Collar Crime
- Domestic Violence






