Mr. David G. Mangum, Attorney

David G. Mangum heads the intellectual property and antitrust practice group of the firm's Litigation department. He has led PB&L teams in various bench and jury trials, and represented clients in numerous appeals before the U.S. Court of Appeals for the Federal Circuit. He is recognized in Chambers USA and Best Lawyers in America for Intellectual Property Litigation. Benchmark Litigation 2009, listed Mr. Mangum as one of eight "Utah Litigation Stars" and wrote that "David Mangum is one of the, if not the best Intellectual Property litigators, certainly in the region."

Mr. Mangum has represented clients in intellectual property and antitrust lawsuits in federal courts throughout the United States. He has litigated patents pertaining to chemical, electrical and mechanical products and processes in a variety of industries, including oil and gas production, process technology, computer software and hardware and medical treatment. Representative clients include Baker Hughes Inc., Danaher Corporation, Iomega Corp. and Innovative Medical Device Sourcing, Inc.

Upon graduation from law school, Mr. Mangum served a judicial clerkship for the United States Court of Appeals for the District of Columbia Circuit, where he had the opportunity to work for now Supreme Court Justices Antonin Scalia and Ruth Bader Ginsburg, as well as all of the other members of that court.

Related Activities and Skills:

• Utah State Bar Association and American Bar Association: Litigation, Intellectual Property and Antitrust Sections
• Conversational in Spanish

Published Works:

• Co-Author: Measuring Damages in a Private Plaintiff Robinson - Patman Case: Applying Economics to Relieve the Pain of J. Truett Payne, XLVIII The Antitrust Bulletin 77, Spring, 2003
• Co-Author: Much Ado About Nothing: Recent Criticism of the Federal Trade Commission Decision to Order Columbia/HTI to Divest Three Hospitals, Utah's Health: An Annual Review, at 5, 1995
• Author: Arbitration of Representational Issues: A Critique of Carey, BYU L. Rev. 349, 1983
• Author: Standing Versus Justiciability: Recent Developments in Participatory Suits Brought by Congressional Plaintiffs, BYU L. Rev. 371
• Co-Author: Mergers in Western Coal Markets: Conforming Antitrust Analysis to the New Reality, 99 W. Va. L. Rev. 1997
• Co-Author: Importing the Merger Guidelines Into Judicial Determinations of Relevant Antitrust Markets Potential Benefits and Limitations, XLII The Antitrust Bulletin 121, Spring 1997

• Utah Medical Products, Inc. v. Clinical Innovations Associates, Inc. 1999

• United Industries v. Eimco Process Equipment Company 1995

• Petrolite Corp. v. Baker Hughes Inc. 1996

• General Motors Corp. v. General Electric Transportation Systems

• Envirotech Corp. v. Westech Engineering Inc. 1990

• Amstar Corp. v. Envirotech Corp. 1987