Photo of Mary Ann L. Wymore

Mary Ann L. Wymore


“We work from concept to consequence with anyone who writes or speaks for publication or gathers, transports or maintains information.”


  • Missouri
  • California
  • U.S. Supreme Court
  • U.S. Court of Appeals, Fourth Circuit
  • U.S. Court of Appeals, Seventh Circuit
  • U.S. Court of Appeals, Eighth Circuit
  • U.S. Court of Appeals, Ninth Circuit
  • U.S. District Court, Eastern District of Missouri
  • U.S. District Court, Western District of Missouri
  • U.S. District Court, Eastern District of California
  • U.S. District Court, Northern District of California
  • U.S. District Court, Central District of California
  • U.S. District Court, Southern District of California


J.D., Southern Methodist, 1986, Order of the Barristers

M.P.A., Golden Gate University, 1980

B.A., Lehigh University, 1977


Mary Ann Wymore’s knowledge of the fast-changing communications and media industries allows her to represent clients in a range of legal issues. She handles an array of general commercial litigation, representing media organizations, businesses, advertising firms and individuals in the areas of defamation and privacy, advertising, constitutional and technology law, unfair competition and intellectual property law. Her intellectual property work includes matters related to trade secrets, copyrights, trademarks and patents. She regularly litigates lawsuits arising under the Lanham Act and various state advertising and consumer protection laws in trial and appellate courts.

Mary Ann frequently assists with pre-publication review, evaluating legal issues ranging from clearance rights to the avoidance of privacy or defamation liability. She also helps clients ensure they are in compliance with the widely varying state and federal regulations on sweepstakes and promotions.

Among her areas of emphasis is the defense of claims brought under the Telephone Consumer Protection Act. In her TCPA practice, Mary Ann has represented a spectrum of more than 80 clients in defense of more than 240 private individual and class action lawsuits in at least 28 judicial venues nationwide. She also has represented clients in defense of governmental TCPA enforcement actions in federal courts and before the FCC.

Mary Ann is a mediator certified for the U.S. District Court for the Eastern District of Missouri and serves as a panel mediator for the U.S. District Court for the Western District of Missouri and United States Arbitration & Mediation. A former journalist and instructor of journalism and communications at UCLA, she has been an adjunct professor of media law and electronic media law at Saint Louis University School of Law and a member of the American Bar Association’s Forum on Communications Law. She has written and lectured on communications and media-related issues including social media and the TCPA.

Professional Affiliations

  • INTA Panel of Trademark Mediators (PTM)
  • Missouri Bar Media Law Committee chair

Honors & Awards

Honors & Awards

  • The Best Lawyers in America, Advertising Law, 2010-2024
  • Martindale-Hubbell AV Preeminent

News & Insights


Seminars & Speaking Engagements

  • General Counsel Conference Midwest, April 2023
  • Food Law Marketing panel, "New Food Product Development - a Legal Journey from Ideation to Launch"
    ANA Masters of Advertising Law Conference, November 8, 2022
  • "Understanding Section 230 of the Communication Decency Act" webinar
    Lorman, May 26, 2021
  • "Food Marketing:  All the Issues" panel
    ANA/BAA Marketing Law Conference, November 12, 2020
  • "GDPR and E-Privacy: Next Steps"
    2018 ANA/BAA Marketing Law Conference, Chicago, Illinois, November 7, 2018
  • Corporate Counsel Institute, St. Louis, May 16, 2018
  • "Mobile Marketing and Payments: New Wine in New Bottles?"
    ANA/BAA Marketing Law Conference, Chicago, Illinois, November 15, 2017
  • NAW Billion Dollar Company CLO Roundtable, Chicago, Illinois, May 17, 2017
  • "Social Media & Rights of Publicity in the Aftermath of the Hulk Hogan v. Gawker Case"
    ANA/BAA Marketing Law Conference, November 11, 2016
  • Corporate Counsel Institute - St. Louis, MO, April 29, 2015
  • “What You Need to Know About the Telephone Consumer Protection and CAN-SPAM Acts"
    Webinar to Meritas affiliates, July 16, 2009


Articles & Books


Blog Posts

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