Ian Rainey is a Counsel in the Intellectual Property Practice Group in Haynes and Boone’s Denver Office.

His practice includes litigating a wide variety of intellectual property matters in federal and appellate courts across the country. Ian also counsels clients in all aspects of intellectual property law, including patent prosecution, trademark, trade secret and copyright law and related licensing.

Prior to joining Haynes and Boone, Ian was a partner in the intellectual property group at another large national firm. Before that, he clerked for The Honorable John Daniel Dailey on the Colorado Court of Appeals where he assisted in drafting over fifty published and unpublished opinions.

Ian earned his Juris Doctor from the University of Denver Sturm College of Law, graduating seventh in his class, and was awarded several Scholastic Excellence Awards for receiving the top grade in a given class. During law school Ian also served as the Editor-in-Chief of the University of Denver Sports and Entertainment Law Journal.

While in college, Ian was a NCAA Division I baseball player and a former member of a USA Baseball Junior Olympic Team. Away from work, Ian enjoys running, biking, golfing and exploring Colorado’s outdoors.

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  • Executive Committee, Thomas G. Marsh Inn of Court
  • Colorado IP Inn of Court
  • Colorado Bar Association
  • Denver Bar Association
  • Included in the "Ones to Watch" category of The Best Lawyers in America, Woodward/White, Inc., 2024
  • Thomson Reuters Stand-out Lawyer, 2022-2023 (as designated by the 2022-2023 Thompson Reuters Lists of Stand-out Lawyers)
  • Colorado Super Lawyers Rising Stars, Thomson Reuters, 2018, 2020-2023


J.D., University of Denver Sturm College of Law, 2012, with honors

B.A., Bucknell University, 2006, with honors


Law Clerk to the Honorable John Daniel Dailey, Colorado Court of Appeals, 2012-2013



U.S. Patent and Trademark Office

Court Admissions

U.S. Court of Appeals for the Tenth Circuit

U.S. District Court for the Central District of California

U.S. District Court for the District of Colorado

U.S. District Court for the District of Delaware

U.S. District Court for the Eastern District of Missouri

U.S. District Court for the Eastern District of Texas

U.S. District Court for the Southern District of New York

U.S. District Court for the Northern District of California

U.S. District Court for the District of Nebraska

Press Release
Haynes Boone Lawyers Recognized in 2022 Colorado Super Lawyers and Rising Star Listing
March 04, 2022

Haynes and Boone, LLP Partners John Fognani and Patrick L. Hughes are included in the 2022 edition of the Colorado Super Lawyers legal directory published by Thomson Reuters. Counsel Ian Rainey was listed as a 2022 Rising Star.   John is an environmental lawyer, Pat is a restructuring lawyer, and Ian is an intellectual property (IP) lawyer in the firm’s Denver office. Super Lawyers is a rating se [...]