Guylyn Cummins: Lawyer with Sheppard, Mullin, Richter & Hampton LLP

Guylyn Cummins


Peer Rating
AV® Preeminent

Client Rating

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Experience & Credentials Ratings & Reviews

Practice Areas

  • International Practice
  • International Arbitration
  • Entertainment, Technology and Advertising
  • Litigation
  • Appellate
  • Intellectual Property
  • Copyrights
  • Video Game
  • False Advertising, Lanham Act and Unfair Competition
  • Trade Secrets
  • Trademarks and Trade Dress
  • Privacy and Data Security
  • Advertising
  • Communications
  • Education
University University of Nebraska, B.A., with high distinction, 1979; University of Southern California, M.A., with honors, 1982
Law SchoolUniversity of San Diego, J.D., magna cum laude, 1985
Admitted1985, California; United States District Courts for the Central, Southern and Eastern Districts; Ninth Circuit Court of Appeals; United States Supreme Court


•Member, Governing Board of the American Bar Association Forum on Communications Law

•Held many committee chair positions, Media Law Resource Center

•Member, numerous media organizations throughout California and the nation


Guylyn Cummins is a partner in the Entertainment, Technology and Advertising Practice Group in the firm's San Diego office.

Areas of Practice

Ms. Cummins has spent her entire career working in media law. A seasoned litigator, she represents a broad array of media clients relating to First Amendment issues, including access issues, libel and advertising content, plus trademark and copyright fair use. Representative clients include BusinessWeek magazine,,, Investigative News Network, and Clear Channel.


•Recognized by SD Metro as one of San Diego's Best Attorneys, 2014

•Southern California Super Lawyer, 2008-2014

•Recognized as one of the Top Women Lawyers/Litigators in California by the Daily Journal, 2005, 2006, 2008, 2009, 2013, and 2014

•Recognized, First Amendment Litigation & Counseling, Legal 500, 2009

•Recognized as one of California's leading media and entertainment lawyers in Chambers USA, America's Leading Business Lawyers and has many published legal decisions on First Amendment issues, 2006-2014

•Listed in The Best Lawyers in America since 1997

•Named to The Lawdragon 500 New Stars, New Worlds and Best Lawyers in America lists


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Profile Visibility
#785 in weekly profile views out of 13,433 lawyers in San Diego, California
#107,676 in weekly profile views out of 1,684,342 total lawyers Overall

Office Information

Guylyn Cummins

501 West Broadway, Nineteenth Floor
San DiegoCA 92101


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