Mark A. Clayton

Direct Dial: 702-383-8931
Fax: 702-383-8845

Practice Emphasis

Finance, public gaming companies, manufacturers and distributors of gaming equipment, legislation and assistance to clients and governments concerning gaming in other U.S. jurisdictions and in foreign countries.

Professional Experience

Mark Clayton is a shareholder in Lionel Sawyer & Collins' Gaming and Regulatory Law Department. Prior to joining the Firm, Mr. Clayton was a member of the Nevada State Gaming Control Board (2005-2008). He was in private law practice between 1990 and 1993 with an emphasis in corporate and securities law. He served as the Chief of the Gaming Control Board's Corporate Securities Division from 1993 to 1995. From 1995 to 1998 Mr. Clayton was Vice President, General Counsel and Assistant Secretary for Showboat, Inc.; he was Vice President and General Counsel for Aladdin Gaming Holdings, LLC and Aladdin Gaming, LLC from 1998 to 2001; and was Vice President-Corporate Law for Caesars Entertainment, Inc. from 2001 to 2005.


In addition to his numerous other activities  in the gaming law field, Mr. Clayton is an adjunct professor for gaming law and a member of the Gaming Law Advisory Council at the William S. Boyd School of Law, University of Nevada, Las Vegas.  In 2009 he was honored by Las Vegas Business Press as one of the "Top 10 Lawyers" in Southern Nevada, acknowledged as the region's top attorney in the area of Gaming Law. He was also recognized by Super Lawyers in 2011, 2012 and 2013, and was named one of the "Top 10 Gaming Attorneys" by the Las Vegas Business Press in 2012. Nevada Business magazine named Mr. Clayton to their 2012 list of "Legal Elite," among the top two percent of all Nevada attorneys. Chambers USA included Mr. Clayton as one of the leading gaming attorneys in their 2012  Edition of America's Leading Lawyers for Business amd was also recognized as one of the top gaming attorneys in the world by Chambers Global in 2013. He was named to Best Lawyers in their 2013 Edition for Gaming Law.


Professional and Civic Affiliations
  • Charter Member, Nevada Gaming Attorneys
  • Adjunct Professor and Member of the Gaming Law Advisory Council for the William S. Boyd School of Law, University of Nevada, Las Vegas
  • Member, International Association of Gaming Advisors
  • Member, Internation Masters of Gaming Law
  • Member, State Bar of Nevada
  • Member, American Bar Association (and various committees)
    • Co-Chair, Gaming Law Committee of the Business Law Section, 2013 - 2016
  • Member, Editorial Board, Gaming Law Review and Economics Journal
  • Independent Member of the Compliance Committee for The Cosmopolitan of Las Vegas (2011 to present).
  • Independent Member of the Compliance Committee for Caesars Entertainment Corporation (2011 to present).
  • Outside Member of the Compliance Committee for Silicon Gaming, Inc., a manufacturer of interactive slot machines (1996-2001)


  • "Nevada is Internet Ready," Canadian Gaming Lawyer, June 2012, Vol 5 Number 1.
  • "Nevada 2011 Legislative Session: Progressive Changes Continue in the Silver State," 7 Casino Lawyer 1 (Fall 2011).
  • "Money Laundering and Land-Based Casinos," 14 Gaming Law Review & Economics 275 (2010)(co-author).
  • "Private Equity Investments in the Nevada Casino Industry," Nevada Gaming Lawyer 2-5 (Sept. 2007).
  • "Gaming Regulation in Nevada - An Update...", State Gaming Control Board (June 2006).
  • "Sign In Please: Reporting Obligations for Publicly Traded Corporations Involved in Nevada Gaming," Nevada Lawyer (February 1995).
  • "The Corporate Securities Division of the State Gaming Control Board: An Overview and Guide to the Regulatory Process," 1 Gaming Research & Review Journal 19 (1994).
  • "Two Steps Forward, One Step Back: McKay v. Bergstedt," 12 Whittier L. Rev. 439 (1991) (co-author).
  • "The Misappropriation Theory in Light of Carpenter and The Insider Trading and Securities Fraud Enforcement Act of 1988," 17 Pepperdine L. Rev. 185 (1989).
  • Co-editor and author for the Nevada Gaming Attorneys Newsletter, Nevada Gaming Counsel, 1992-1993.

Pepperdine University, J.D., with honors, 1990

  • Business Editor, Pepperdine Law Review
  • International Moot Court

Washington University, St. Louis, Missouri, B.S. in Business Administration, Accounting and Finance, cum laude, 1987


Bar/Court Admissions

State Bar of Nevada


Clayton, Mark