R. Tom Hillis's Profile Image

R. Tom Hillis has practiced law in Oklahoma for over 30 years. He practices in the areas of commercial law and litigation and employment law. Tom has tried cases in each Federal District in Oklahoma and in numerous counties throughout Oklahoma.

Tom regularly represents business clients in all aspects of commercial and employment law. This includes negotiating and drafting contracts, and maintaining appropriate corporate books and records. He regularly advises clients on regulatory and administrative issues with state and federal agencies. Tom also has extensive experience in mergers and acquisitions of businesses.

Tom maintains an active employment practice. He regularly defends employers in jury trials, and before numerous administrative agencies. He regularly speaks on employment related topics at continuing legal education seminars. Tom serves as an Adjunct Settlement Judge in the United States District Court for the Northern District of Oklahoma and routinely mediates employment related cases. Tom is a member of the American Board of Trial Advocates.

Tom is also a part-time Assistant District Attorney for Osage and Pawnee Counties in Oklahoma. In this role, he handles civil matters for these counties, and provides advice to county officers.

Representative Experience

  • Represented client in complex litigation in federal court on claims for negligence, trespass, nuisance, public nuisance, and negligent injury to property regarding environmental contamination from adjacent landowner.
  • Advocated for client in a multi-million dollar breach of contract dispute involving a large real estate and business transaction.
  • Represented client in a complex contract litigation, prevailing at trial with a large jury verdict in the client’s favor.
  • Successfully represented large multi-state convenience store client in premises liability litigation.
  • Obtained judgment for employer in employment discrimination and retaliation claims in federal court.
  • Drafted multiple agreements and legal documents in complex restructuring of a multitude of parent and subsidiary businesses.
  • Advised corporate client in the handling of dissenting shareholders related to the acquisition of another company.
  • Evaluated and successfully settled slip and fall claim against property owner for negligible amount.

Contact Tom

Phone: (918) 587-6800
Fax: (918) 587-6822
Connect With Me


J.D., with honors, University of Oklahoma College of Law, 1987
Order of the Coif • Oklahoma Law Review

Bachelor of Business Administration (Accounting), University of Oklahoma, 1984

Honors and Awards

AV Preeminent Rating, Martindale-Hubbell

Super Lawyers, Oklahoma

The Best Lawyers in America (2016 and prior years)

Best Lawyers in Tulsa, Tulsa People

Professional Affiliations

  • Oklahoma Bar Association
  • Tulsa County Bar Association
  • American Board of Trial Advocates (ABOTA)

Community Involvement

Adjunct Settlement Judge in the United States District Court
for the Northern District of Oklahoma