About
Tim O’Keeffe is a highly experienced trial lawyer who has dedicated his career to helping clients facing difficult legal challenges. He has handled a wide range of cases, including serious personal injury, wrongful death, business litigation, and criminal defense. His strong advocacy and trial skills have earned him a reputation for securing meaningful results in both state and federal courts.
Tim received his B.A. in History and Political Science from Jamestown College before earning his J.D. from Hamline University School of Law. After law school, he gained critical experience as the Fargo city prosecutor, where he handled numerous criminal cases. He later advanced his career by becoming a partner at another Fargo law firm, building valuable trial experience that set the stage for his later successes.
Over the years, Tim has guided clients through highly complex cases involving medical malpractice, defective products, auto accidents, and insurance disputes. He has secured major verdicts and settlements, including wrongful death claims, catastrophic injuries, and product liability actions. His work also extends to federal lawsuits and commercial disputes. His balanced approach in both civil and criminal matters ensures that his clients receive dedicated representation built on knowledge, persistence, and skill.
Tim O’Keeffe’s influence extends beyond the courtroom through his leadership roles in professional organizations. He served as president of the North Dakota Association for Justice and continues to serve on its executive committee. He is also a member of the Board of Governors for the American Association for Justice and participates in the Injury Board. Through these efforts, he contributes to advancing legal education, reform, and community engagement on both state and national levels.
Law Office Affiliations
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Partner / President, O’Keeffe O’Brien Lyson Attorneys
- Member, State Bar Association of North Dakota
- Member, Minnesota State Bar Association
- Member, American Association for Justice
- Member, Cass County Bar Association
- Member, North Dakota Association for Justice
- Member, Clay County Bar Association
Licensed State
- North Dakota
- Minnesota
Education
- Hamline University School of Law
Juris Doctor (JD) - Jamestown College
Bachelor of Arts (BA)
Awards & Badges






- Animal and dog bites
- Car accident
- Commercial real estate
- Contracts and agreements
- DUI and DWI
- Defective and dangerous products
- Drug Crime
- Insurance
- Insurance fraud
- Limited liability company (LLC)
- Litigation
- Medical malpractice
- Motorcycle accident
- Partnership
- Power of attorney
- Probate
- Slip and fall accident
- Trucking accident
- Trusts
- Wills and living wills
- Wrongful death