Robert G. McCampbell

Robert McCampbell is a shareholder in the Oklahoma City office of GableGotwals. A former United States Attorney, Robert brings more than 30 years of diverse experience to his practice. Alternating between private and government practice, he has been an active force in the Oklahoma City legal community. Robert has been recognized as a Local Litigation Star by Benchmark Litigation and Lawyer of the  Year by U.S. News and World Reports/Best Lawyers.

Prior to his four-year term as United States Attorney for the Western District of Oklahoma, Robert was an Assistant U.S. Attorney where he served as chief of the office’s financial fraud unit. As an active courtroom prosecutor, he successfully tried numerous cases including trials for securities fraud, bank fraud, illegal internet drug prescribing, homicide and child prostitution.

Robert’s private practice clients have included numerous public officials and entities, including two Governors, the House of Representatives, the Oklahoma Senate, the Department of Mental Health and Substance Abuse Services, and the Oklahoma Highway Patrol. He is an experienced civil trial lawyer having represented both private companies and individuals in commercial litigation and administrative proceedings.  In addition, Robert has represented defendants in white collar proceedings both in the courtroom and working with prosecutors to achieve non-prosecution or acceptable plea agreements.

Robert has been lead trial lawyer in more than 25 jury trials and was elected a Fellow in the American College of Trial Lawyers in 2009. He has also argued numerous cases before the Supreme Court of Oklahoma and the Tenth Circuit Court of Appeals.

Robert is active in the community and has served as chairman of the Oklahoma Public Employee Relations Board, the Oklahoma Center for the Advancement of Science and Technology, and Oklahoma Speaker’s Ball, Inc.

Robert’s recent experience:

  • Attacked the constitutionality of a tax on cigarettes that had been labelled as a “fee”
  • Defended the constitutionality of the CompSource Mutual Insurance Company Act
  • Represented the Governor’s Office in connection with the use of lethal injection to impose the death penalty
  • Defended the House of Representatives in constitutional litigation brought by the Oklahoma Ethics Commission
  • Represented the Department of Mental Health and Substance Abuse Services in court actions arising from the lack of available capacity at DMHSAS treatment facilities
  • Advocated at the State Election Board to prevent overturning an election in a congressional race
  • Challenged the constitutionality of an alcohol reform initiative petition at the Oklahoma Supreme Court
  • Represented State Chamber of Commerce in defending the constitutionality of the Administrative Workers Compensation Act
  • Represented the Oklahoma City Chamber of Commerce with respect to firearms legislation
  • Defended the constitutionality of the Oklahoma Senate Redistricting Act
  • Represented candidates in petitions for recount and election irregularity
  • Represented a public interest group opposing an initiative petition to impose a sales tax for education issues
  • Participated as lead counsel for the defendant or the prosecution in numerous white collar criminal cases


J.D., Yale Law School, 1983

B.A., Vanderbilt University, 1980


Best Lawyers – 2007-2020
Lawyer of the Year, Oklahoma City
Bet-the-Company Litigation-2018
White Collar Criminal Defense-2016
Government Relations-2019, 2017, 2015, 2013, 2011
Administrative Law-2014, 2012

Oklahoma Super Lawyers, 2007-2019
Top 50 Lawyer in Oklahoma, 2016 – 2019

Leadership Oklahoma City, 1997,
Paragon Award

Oklahoma City Police Department, 2005,
Honorary Officer

FBI, 2005, Leadership and Commitment Award

AV Rated

Journal Record, 2007, Leadership in Law Award

U.S. Department of Justice, 2005, Dedicated Public Service Award

U.S. Attorney’s Office, 1990-1991,
Extra Mile Award


American College of Trial Lawyers, Fellow

National Association of Criminal Defense Lawyers

Republican National Lawyers Association

National Association of Former U.S. Attorneys

Oklahoma Bar Association

Oklahoma County Bar Association (Board of Directors, 2011-2014)

Oklahoma Speaker’s Ball, Inc. (Chairman, 2008-present)

Oklahoma Public Employee Relations Board (Chairman, 2012-2017)

Attorney General’s Subcommittee on Sentencing (Chairman, 2004-2005)

Attorney General’s Subcommittee on White Collar Crime, 2001-2005


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