Mangum, David G.

Parsons Behle & Latimer
201 South Main Street
Suite 1800
Salt Lake City, UT 84111-2218
Phone: 801-532-1234
Fax: 801-536-6111
Contact Us
- http://www.parsonsbehlelaw.com (http://www.parsonsbehle.com)
Summary
Lawyer Overview
David G. Mangum is a trial lawyer in 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 lists Mr. Mangum as one of 18 "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 and Life Technologies Corporation.
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
Areas of Practice
- Intellectual Property Litigation
- Litigation & Appeals
- Patent Litigation
- Trade Secrets Litigation
- Antitrust & Trade Regulation
- Federal Appellate Practice
- Federal Trial Practice
Representative Clients
- Baker Hughes Incorporated
- Danaher Corporation
- Life Technologies Corporation
Representative Cases
- Utah Medical Products, Inc. v. Clinical Innovations Associates, Inc., 79 F.Supp.2d 1290 (D. Utah 1999) (aff'd 251 F.3d 171 (Fed. Cir. 2000))
- Petrolite Corp. v. Baker Hughes Inc., 96 F.3d 1423 (C.A. Fed. (Okla) 1996)
- Petrolite Corp. v. Baker Hughes Inc., 1995 U.S. Dist. LEXIS 3818 (W.D. Oklahoma 1996)
- United Industries v. Eimco Process Equipment Company, 61 F.3d 445 (C.A. 5th (Louisiana) 1995)
- Envirotech Corp. v. Westech Engineering Inc., 904 F.2d 1571 (C.A.Fed. (Utah) 1990)
- Amstar Corp. v. Envirotech Corp., 823 F.2d 1538 (C.A.Fed. (Utah) 1987)
- General Motors Corp. v. General Electric Transportation Systems, 275 F.Supp. 2d 850 (E.D. Mich. 2003), (2004 WL 3550145 (July 28, 2004), aff'd 417 F.3d 1203 (Fed.Cir. 2005))
- ReedHycalog UK, Ltd. v. Baker Hughes Oilfield Operations, Inc. , (E.D. Texas 2008)
West Practice Categories
Antitrust, Intellectual Property, Litigation & Appeals, Patents
Qualifications
Bar Admissions
- Utah, 1984
- U.S. Court of Appeals District of Columbia Circuit
- U.S. Court of Appeals Federal Circuit
- U.S. Court of Appeals 3rd Circuit
- U.S. Court of Appeals 5th Circuit
- U.S. Court of Appeals 10th Circuit
Education
- Brigham Young University, J. Reuben Clark Law School, Provo, Utah,
1983
J.D.
Honors: magna cum laude
Honors: Order of the Coif - University of Utah,
1980
B.A.
Honors: magna cum laude
Major: Economics
Office Information
Address
201 South Main Street
Suite 1800
Salt Lake City, UT 84111-2218
Phones
801-532-1234
Faxes
801-536-6111
Emails
Websites
http://www.parsonsbehlelaw.com (http://www.parsonsbehle.com)



