Mark W. Maguire is recognized by his peers as one of Oklahoma’s premiere civil litigation defense attorneys. Mr. Maguire is a trial lawyer who has successfully defended thousands of cases over a twenty-plus year legal career. Mr. Maguire is the go-to defense counsel in Oklahoma for some of the Nation’s top insurance companies and Fortune 500 companies for challenging cases with high exposure. Among other industries, Mr. Maguire represents the fast-food industry, convenience store retailers, and automobile insurance companies and their insureds in numerous personal injury lawsuits across the State of Oklahoma.

Mr. Maguire has a broad litigation practice and has handled hundreds of cases involving personal injury, premises liability, auto liability, insurance coverage, insurance bad faith, negligence, products liability, and commercial law. Mr. Maguire is a proven trial lawyer and has successfully taken numerous cases to jury verdict throughout Oklahoma.

Mr. Maguire’s experience and expertise have earned him recognition as one of Oklahoma’s Top Lawyers, as chosen by his peers in the legal community. Mr. Maguire is an AV Preeminent Peer Review Rated attorney, representing the highest possible rating in legal ability and ethical standards. Mr. Maguire is a member of the American Board of Trial Advocates, an invitation-only association of trial lawyers devoted to the improvement of ethical and technical standards in the field of trial advocacy.

Active in the community, Mr. Maguire served as a volunteer at Christ the King Catholic Church and has co-chaired the Saint Francis of Assisi Tuition Assistance Fund Gala. Mr. Maguire also served as one of the adult leaders for the Y-Disciple youth group.

Mr. Maguire is a 1989 graduate of the University of Oklahoma School of Law. Mr. Maguire received his undergraduate degree at Oklahoma State University, where he earned a B.S. in accounting in 1986. While at Oklahoma State University, Mr. Maguire was a member of the Honorary Fraternities of Blue Key, Omicron Delta Kappa, Phi Kappa Phi and Phi Eta Sigma.

Mr. Maguire and his wife, Katie, have three children.

Representative Clients
  • State Farm Mutual Automobile Insurance Company
  • Allstate Insurance Company
  • American National Insurance Company
  • National American Insurance Company
  • Sparta Insurance Company
Bar Admissions & Professional Licenses
  • Oklahoma, 1989
  • U. S. District Court for the Northern District of Oklahoma
  • U. S. District Court for the Eastern District of Oklahoma
  • U. S. District Court for the Western District of Oklahoma
  • University of Oklahoma College of Law, J. D., 1989
  • Oklahoma State University, B.S., 1986
Honors and Awards
  • America Board of Trial Advocates (ABOTA)
  • Oklahoma Top Lawyers 2013
  • Judicial Edition AV Preeminent (peer review rated Martindale-Hubbell)
  • Omicron Delta Kappa
  • Blue Key
  • Phi Eta Sigma
  • Phi Kappa Phi
Professional Associations and Memberships
  • Tulsa County Bar Association
  • Oklahoma Bar Association
  • American Bar Association
  • Defense Research Institute
  • Oklahoma Association of Defense Counsel
  • Defense Counsel Trial Academy
  • International Association of Defense Counsel Trial Academy
  • American Inns of Court (prior member)