Glenn A. Gundersen
Partner | Philadelphia
Glenn A. Gundersen

Glenn A. Gundersen is a nationally recognized authority in trademark and copyright law and intellectual property transactions, and the author of the leading legal treatise Trademark Searching, first published in 1994. Mr. Gundersen's clients in the United States and abroad hold some of the world’s largest trademark portfolios, and he has cleared and protected world-famous brands. He also advises clients on prosecution, fair use, licensing, IP acquisitions, opposition and cancellation proceedings, infringement disputes, and advertising and right of publicity law.

Mr. Gundersen has been named in numerous peer and bar surveys of the country’s top intellectual property lawyers. The Legal 500 has routinely ranked the firm’s trademark practice among the top in the U.S. for trademark advice and named Mr. Gundersen to The Legal 500 Hall of Fame in 2017. Describing him as “attracting the highest praise and enthusiasm,” client-commentators to The Legal 500 noted Mr. Gundersen’s “excellent business judgment,” “exceptional knowledge of trademark law,” “very good insight,” and “unusually high level of responsiveness.” Referring to him as “the guru for trademark searching,” The Legal 500 noted that “clients rave about the firm’s ability to handle everything in-house, keeping timeframes and costs to a minimum.”

In 2024 and 2023, Mr. Gundersen was ranked Band 1 by Chambers USA for IP in Pennsylvania, being described as having a “distinguished trademark background” and representing “household-name clients on matters including portfolio management, prosecution and licensing.” World IP Review named Mr. Gundersen a top IP lawyer in its WIPR Leaders 2024 guide. In 2021, Mr. Gundersen was named the inaugural Trademark Prosecutor of the Year in the Managing IP Americas Awards, and is routinely named an "IP STAR" for trademark in Pennsylvania by Managing Intellectual Property. Mr. Gundersen is also regularly ranked among the country’s top practitioners in Expert Guides' list of “The World’s Leading Experts in Trademark Law,” The International Who’s Who of Trademark Lawyers, World Trademark Review and Best Lawyers in America, and has previously been recommended by Who's Who Legal for IP - Trademarks.

Mr. Gundersen is the author of the book Trademark Searching (2nd Edition), an expert guide on clearance published by the International Trademark Association, and a co-author of the book Intellectual Property Assets in Mergers & Acquisitions, published by John Wiley.

Mr. Gundersen has been a frequent speaker at intellectual property seminars conducted by virtually every leading organization in the United States, including the American Bar Association, the Practicing Law Institute, the American Corporate Counsel Association, the International Trademark Association, the American Intellectual Property Law Association, the American Conference Institute, and the National CLE Conference, and intellectual property bar groups in several major cities.

  • Routinely recognized as an “IP STAR” for trademarks by Managing Intellectual Property, most recently in 2024.
  • Recognized as a "Recommended Individual" by World Trademark Review in their WTR 1000 2023 & 2024 Rankings.
  • Recognized for his extensive work in developing and leading educational programs for the trademark bar, receiving the International Trademark Association’s Volunteer Service Award for Advancement of the Association in 2004 and again in 2009.
  • Recently created and chaired a new type of program, The Next Level, aimed at training lawyers with 3-to-7 years experience.
  • Created and produces Dechert’s Annual Report on Trends in Trademarks, which has been the subject of news articles in numerous national and international publications, including The New York Times, the National Law JournalThe Wall Street Journal, USA Today, The Philadelphia Inquirer, The International Herald Tribune, Advertising Age and Brandweek, as well as covered on CNN, CNBC, and National Public Radio. The report, first published in 1992, analyzes the previous year’s trademark filings and makes predictions about consumer trends, branding buzzwords, and the direction of the economy.
  • Developments in Copyright Law — 2013 Annual Meeting of Intellectual Property Law Owners Association, Boston, MA (September 16, 2013)
  • IP Issues to Consider When Launching a New Product — NJCCA 9th Annual In-House Counsel Conference, Whippany, NJ (September 23, 2011)
  • NJCCA 9th Annual Full Day In-House Counsel Conference — Presented by NJCCA with Sponsorship by Dechert LLP, Whippany, NJ (September 23, 2011)
  • Developing an International Trademark Portfolio: Strategies for Protecting Your Brand Name in China — U.S. Patent and Trademark Office's China Road Show, Philadelphia, PA (July 23, 2007)
  • Content Licensing: Issues and Strategies Related to Obtaining Rights to Media and Other Content — LSI's Second Annual Philadelphia Conference on Mastering Complex Intellectual Property Licensing, Philadelphia, PA (May 22, 2006)
  • Trademark, Copyright, & E-Commerce Related Licensing Transactions  — Complex Intellectual Property Licensing, Philadelphia, PA (May 22, 2006)
  • Trademark Triage  — International Trademark Association Leadership Meeting, Naples, FL (November 9, 2005)
  • Content Licensing: Issues and Strategies Related to Obtaining Rights to Media and Other Content — Complex Intellectual Property Licensing Seminar, Philadelphia, PA (May 19, 2005)
  • The Dance of Negotiation in Complex International Licensing Transactions — Advanced Multinational IP Licensing Conference, Reston, VA (October 15, 2004)
  • Branding Beyond Words — Trade Dress Law Forum sponsored by the International Trademark Association, New York, NY (October 7, 2004)
  • Electronic Filings in Trademark Prosecution — International Trademark Association, Boston, MA (September 9, 2004)
  • Trademarks in Business Transactions — International Trademark Association Annual Meeting, Atlanta, GA (May 1, 2004)
  • Current Issues in Trademark Searching and Clearance — International Trademark Association Annual Meeting, Washington, DC (May 21, 2002)
  • Ethical Issues in Trademark Clearance — The U.S. and International Trademark Committees of the Intellectual Property Law Association of Chicago and The John Marshall School of Law: The Search is On! Trademark Searching in the 21st Century, Chicago, IL (March 26, 2002)
  • Negotiating the Intellectual Property Aspects of Mergers and Acquisitions  — International Trademark Association: Trademarks in Business Transactions Forum, New York, NY (February 25, 2002)
  • Selecting, Searching and Clearing Trademarks — International Trademark Association: U.S. Trademark Basics Forum, Dallas, TX (February 4, 2002)
  • Hot Topics in Copyright and Right of Publicity Law — Philadelphia Volunteer Lawyers for the Arts (PVLA) Educational Forum on Intellectual Property, Philadelphia, PA (December 7, 2001)
  • Parody and Fair Use Under Copyright, Trademark, and Right of Publicity Law — Philadelphia Volunteer Lawyers for the Arts (PVLA) Educational Forum on Intellectual Property, Philadelphia, PA (December 7, 2001)
    • The College of William & Mary, B.A., Economics, 1976
    • University of Virginia School of Law, J.D., 1980
    • Pennsylvania
    • Served for 6 years as a leader and board member of INTA’s Programs Committee, which is responsible for more than two dozen educational programs and conferences each year around the world
    • Founder of the Copyright Society of the USA’s Philadelphia chapter
    • Chairs the board of 1812 Productions, which specializes in comedy
    • Vice President of the board of Philadelphia Theatre Company, which produces contemporary American playwrights
    • Served for many years on the board of Philadelphia Volunteer Lawyers for the Arts, which provides pro bono legal advice to the arts community