Photograph of Helen O. Ogunyanwo

Helen O. Ogunyanwo


Helen O. Ogunyanwo is a counsel in Crowell & Moring's Washington, D.C. office. She is a member of the firm's Advertising and Media and Litigation practice groups.

Helen represents clients in claims comprising of false advertising, unfair competition, contract breach, trade secrets disputes, and health care disputes. Helen has assisted clients in initiating and defending false advertising challenges before the National Advertising Division (NAD). On behalf of companies in false advertising disputes, she has conducted preliminary research and drafted NAD challenge letters for false advertising claims. Helen has worked on Lanham Act false advertising cases involving Molson Coors and Novartis. In these matters, Helen’s role consisted of drafting the complaint and/or other discovery motions, leading fact discovery, drafting and analyzing damages reports. Additionally, Helen represented plaintiff in a false advertising matter between two pharmaceutical companies relating to superiority claims. In less than three months, both parties settled and plaintiff received favorable settlement terms.

Helen received her J.D. from Howard University School of Law, where she won law student of the year. She was a member of the Howard International Moot Court Team and an intern for the Honorable Sheila R. Tillerson Adams. While at Howard, she also served as a Dean's Fellow, a Marshall-Brennan Teaching Fellow, and cultivated her passion for a pro bono work when she interned at the Lawyers’ Committee for Civil Rights Under Law.

Prior to law school, Helen earned her B.S. in business administration with a concentration in international business from Towson University.


  • Towson University, B.S. business administration (2012)
  • Howard University School of Law, J.D. (2017) magna cum laude


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Advertising and Media

Commercial Litigation

Litigation & Trial

International Dispute Resolution

State Attorneys General Practice

False Advertising Disputes and Litigation

Risk Prevention and Compliance Counseling

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  • Representing beer brewing company in a highly publicized false advertising dispute stemming from Super Bowl ads. 
  • Defended clients in the food and beverage industry against false advertising and unfair competition claims in New York and Washington, D.C. 
  • Represented pharmaceutical company in a false advertising challenge relating to superiority claims.
  • Representation of a global data technology corporation in arbitration and preliminary injunction proceeding involving breach of contract claims.
  • Representation of a software company in litigation and counseling regarding potential theft of trade secrets, copyright violations, and violations of non-competitive agreements.
  • Assisting in complex discovery preparation for a large health care insurance company. 
  • Conducting preliminary research on behalf of companies in false advertising claim disputes, as well as drafting NAD challenge letters for comparative superiority and unsubstantiated claims.
  • Representing foreign national and American embassy employees, contractors, and immediate family members in suit against Iran arising from the 1983/1984 U.S. Embassy attacks in Beirut, Lebanon, and before the United States Victims of State Sponsored Terrorism Fund.
"How Much Could Violating a FTC Rule Cost You “$50,120 Per Violation”?," Tech & Brand Law Bulletin (January 13, 2023). Contacts: Holly A. Melton, Helen O. Ogunyanwo, Tiffany Aguiar
Client Alert / Newsletter
Crowell & Moring Elects 16 New Partners, Promotes Five to Senior Counsel, and 25 to Counsel (January 9, 2023)
Firm News / Announcement
"FTC Issues Long-Awaited Updates to the Endorsement Guides," Advertising & State AG Alert (May 25, 2022). Contacts: Roy A. Abernathy, Helen O. Ogunyanwo
Client Alert / Newsletter
"NAD Makes Clear that “Woke Washing” is False Advertising," Crowell & Moring’s Retail & Consumer Products Law Observer (March 7, 2022). Authors: Lauren Aronson and Helen Osun.
Baltimore City & BPD Issues An Apology After A Settlement Was Reached By Harlem Park Neighbors In Lockdown Case WJZ CBS Baltimore (June 28, 2021)
Press Coverage
"The Supreme Court Limits FTC’s §13(b) Powers," Administrative Law Alert (April 27, 2021). Contacts: Raija Horstman, Helen O. Ogunyanwo, Jacob Canter
Client Alert / Newsletter
"New Jersey Superior Court Tosses Trade Secret Claims for Failure to Plead with Sufficient Specificity Under New Jersey Trade Secrets Act," Crowell & Moring’s Trade Secrets Trends (March 22, 2021). Authors: Helen Osun and Julia Milewski.
"Meat Product Companies Face Increasing Litigation for Humane Raising Claims," Administrative Law Alert (March 12, 2021). Contacts: Helen O. Ogunyanwo, Roy A. Abernathy, Mariam Sarwar
Client Alert / Newsletter
Crowell & Moring Lawyers Named to Leadership Council on Legal Diversity 2021 Fellow and Pathfinder Programs (February 19, 2021)
Firm News / Announcement
"FTC Sharpens Focus on Biometrics with Facial Recognition Settlement," Administrative Law Alert (February 9, 2021). Contacts: Kristin J. Madigan, CIPP/US, Helen O. Ogunyanwo
Client Alert / Newsletter

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Crowell & Moring LLP is an international law firm with offices in the United States, Europe, MENA, and Asia that represents clients in litigation and arbitration, regulatory and policy, and transactional and corporate matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation and government-facing matters, as well as its ongoing commitment to pro bono service and diversity, equity, and inclusion.

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