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David Keesling

David Keesling

(202) 862-4360


David Keesling is a National Partner at the Federal Practice Group. A Marine veteran, he is widely regarded as one of the most aggressive and accomplished civil litigators in the Nation built over twenty years of courtroom experience. Mr. Keesling's expertise is on conflict resolution and problem-solving ranging from transactional disputes to appellate Constitutional questions. Mr. Keesling prides himself on building long term relationships with his clients and helping them through the gauntlet of personal and professional legal issues that arise over one's lifetime.

The focus of Mr. Keesling's practice is concentrated on complex commercial litigation across industry sectors nationwide before state and federal trial and appellate courts. Mr. Keesling international experience is critical to the firm’s burgeoning cross-border practice. He represents a cross-section of clients including individuals; professionals; small and large businesses; entrepreneurs; employers/employees; shareholders; investors; non-profit organizations; and middle market and nationally recognized companies.

In addition to his work as a trial lawyer, Mr. Keesling is a court-certified mediator, experienced in mediating complex civil matters and UNCITRAL arbitrations involving contract disputes involving the United Nations. In 2020, Mr. Keesling was selected to serve the United States District Court for the Northern District of Oklahoma as a Federal Adjunct Settlement Judge.

Mr. Keesling is a graduate of the Missouri State Hill University and University of Tulsa College of Law. He is also a Court-Certified Mediator.

David Keesling's representative experience knows no boundaries handling cases in federal and state courts in Arizona, Arkansas, California, Colorado, Florida, Georgia, Idaho, Indiana, Kentucky, Michigan, Missouri, New Jersey, New York, North Carolina, Oklahoma, Puerto Rico, Tennessee, and Texas, as well as international matters in Canada, China, Denmark, England, France, Germany, Ireland, Israel, Japan, Netherlands, Norway, Pakistan and the Republic of Mali.


  • Civil Trials from Start to Finish (2020)
  • Paralegal’s Guide to Pleadings, Motions, Discovery, and Briefs (2020)
  • Authentication, Exhibits, and Courtroom Presentation (2019)
  • Creative Solutions for Accommodations Requests, Performance Problems, and Chronically Absent (2019)
  • Employees (2019)
  • Tackling Mental Health Issues with Finesse (2019)
  • Social Media, Alcohol, Marijuana Use, and More: Techniques for Managing Problematic Conduct (2019)
  • Determining Admissibility (2019)
  • Authentication, Exhibits, and Courtroom Presentation (2019)
  • Managing Difficult Witnesses (2019)
  • Hearsay Objections & Exceptions (2019)
  • Rules of Evidence: A Practical Tool Kit (2018)
  • Advanced Trial Tactics (2017)
  • Business Contracts A-Z (2016)
  • Essential Legal Elements of Business Contracts (2016)
  • Indemnification Provisions is Business Agreements (2016)
  • Non-Compete Clauses: Drafting and Enforcing (2016)
  • The Role of the Expert Witness: Advocacy vs. Objectivity (2016)
  • Mandatory Reporters: A State by State Analysis (2016)
  • Employers’ Best Practices to Avoid Employment Litigation (2016)
  • Wills, Trusts, and the Basic Probate Process in Oklahoma (2015)
  • Top Hearsay Pitfalls Made by Trial Attorneys (2015)
  • Demonstrating How Evidence Falls Under Hearsay Exceptions (2015)
  • How to Get Email, Social Media, and Other ESI Admitted and Excluded (2015)
  • Employment Law Updates: Policies and Procedures (2014)
  • Employee Discipline and Discharge: The Good, The Bad, and The Ugly (2013)
  • The Mechanics of Oklahoma Civil Procedure (2011)
  • The Format and Procedure of Motions, Notices, and Hearings (2011)
  • Wrapping Up: Settlements, Judgments, Appeals, and Enforcements (2011)
  • Business Owner’s Guide to Risk Mitigation (2010)


Practice Areas
  • Civil Litigation
  • Alternative Dispute Resolution (Private Judge)
  • Business & Corporate Law
  • Civil Rights Law (sections 1981, 1981a, 1982, 1983 & 2000e et seq.)
  • Contract Law (Transactional & Litigation)
  • Data & Information Security Law (U.S. only)
  • Private Sector Employment Law
  • U.S. Federal Government Tort Claims
  • Internal Investigations
  • Title IX Law
Awards & Memberships
  • Super Lawyers 2013, 2020
  • Business Tort Trial Lawyers Top 10
  • The National Trial Lawyers Top 100
  • The American Society of Legal Advocates Top 100
  • American Institute of Criminal Law Attorneys 10 Best
  • AVVO Clients’ Choice Award for Business Litigation
  • AVVO Rated Excellent and Featured Business Litigation Attorney
  • Tulsa County Bar Association
  • Oklahoma Bar Association
  • American Bar Association


  • Harvard Law School Negotiation and Conflict Resolution
  • J.D., University of Tulsa College of Law
  • B.S., Political Science with a Comprehensive Certificate in Social Science and Law at Missouri State University (formerly Southwest Missouri State University)
Court & Bar Admissions
  • Oklahoma
  • United States District Court for the Northern District of Oklahoma
  • United States District Court for the Western District of Oklahoma
  • United States District Court for the Eastern District of Oklahoma
  • United States Bankruptcy Court for the Northern District of Oklahoma
  • United States District Court for the District of Colorado
  • United States District Court for the Northern District of Texas
  • United States District Court for the Western District of Texas
  • United States District Court for the Eastern District of Texas
  • United States District Court for the Northern District of Indiana
  • United States Court of Appeals for the Tenth Circuit
  • Permitted to represent clients in trial and appeal by state and federal courts in Arkansas, California, Kentucky, New York, North Carolina, and Texas


  • Court-Certified Mediator (Oklahoma District Court Mediator Act)

Fighting for Justice

The Federal Practice Group provides skilled, results-driven representation. Through their thorough and aggressive representation of clients, our attorneys have earned a reputation throughout the legal community as relentless advocates who leave no stone unturned. This passionate, exacting approach yields results for our clients.

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