John Irvine has more than 46 years of experience representing corporations, partnerships, and individuals in complex litigation and arbitration matters, including antitrust, securities, intellectual property, insurance, real estate, tax, white collar criminal defense, and governmental and internal corporate investigations.

John has represented both plaintiffs and defendants in litigation in both state and federal courts throughout the United States and in Europe. He has also arbitrated securities, commercial, intellectual property and employment matters before tribunals of the American Arbitration Association, the National Association of Securities Dealers, the International Chamber of Commerce, and the Municipal Securities Rulemaking Board.

Prior to joining Porter Hedges, John served as Assistant General Counsel-Litigation for The Mead Corporation, then a Fortune 150 company, resolving an antitrust class action, as lead counsel in an antitrust case brought by the European Commission, managing Mead's litigation, and supervising its antitrust and other compliance programs. Prior to that, John was a prosecutor and tried more than 125 felony jury trials to verdict.

Since becoming Senior Counsel, John has focused his practice on representing companies, audit committees, and individual officers, directors, and employees in governmental and internal investigations and related civil and criminal litigation, including numerous FCPA matters.

Honors & Recognitions

Best Lawyers in America, Commercial Litigation

Texas Super Lawyers, Business Litigation

Who's Who in the World, Who's Who in America, Who's Who in American Law, and Who's Who in the Southwest, Listed for more than 25 years

Super Lawyers, Corporate Counsel Edition, Business Litigation

  • Best Lawyers in America



J.D., Memphis State University, 1972

B.S., Auburn University, 1969





United States Supreme Court

United States Tax Court

United States Courts of Appeals for the Third, Fifth, Sixth, and Ninth Circuits

United States District Courts for the Northern, Southern, Eastern, and Western, Districts of Texas

United States District Courts for the Western and Middle Districts of Tennessee


  • Law Clerk, the Honorable Judge Harry W. Wellford, U.S. District Court for the Western District of Tennessee



State Bar of Texas, Member

State Bar of Tennessee, Member

Houston Bar Association, Member

Director, Antitrust Section
Treasurer, Securities Litigation & Arbitration Section

American Bar Association, Litigation Section, Member

Intellectual Properties Litigation Committee, Co-Chair, 1996-1999
Strategic Planning Task Force, 1999-2000
Trial Practice Committee, Co-Chair, 2000-2003
Task Force on the Judiciary, 2003-2004
Committee on Corporate Counsel, Vice Chair, 1989-1991

Federal Bar Association, Member of South Texas Chapter (President, 2001)

College of the State Bar of Texas, Member

American Bar Association Foundation, Life Fellow

Texas Bar Foundation, Life Fellow

Houston Bar Foundation, Life Fellow

U.S. Chambers of Commerce, former Member of the Council on Antitrust Policy for more than 20 years