WSGR logoWSGR logo
Alyssa M. Worsham
Partner
Trademark and Advertising
Seattle

D206-883-2592

Download vCard
Open PDF

Alyssa Worsham is a member of the firm’s trademark and advertising team, which has been recognized in Chambers and Partners’ USA and Global guides, as well as World Trademark Review’s WTR 1000. She focuses on global strategic advice, litigation strategy, and transactional guidance for clients’ trademarks, branding, and advertising in marketplaces where commercial and geographic lines are increasingly blurring. She helps clients assess the risk in selecting new business and product names, and works with them to build, exploit, and protect these names creatively and strategically. Alyssa advises on trademark disputes, domain name disputes, contests and sweepstakes, advertising review, right of publicity, social media issues, Telephone Consumer Protection Act (TCPA) compliance (i.e., the rules surrounding marketing texts and calls), FTC compliance and investigations, copyright, IP diligence, and associated commercial contracts. She works with software companies, biotech start-ups, cosmetics companies, fashion companies, life sciences and digital health companies, agro-tech companies, consumer products, non-profits, and game developers, among others. She advises founders, CEOs, GCs, IP specialists, and chief marketing officers on the critical issues surrounding brand creation, protection, and strategy.

Alyssa began her practice at Baker & McKenzie in Hanoi, Vietnam, where she advised major U.S. technology companies on foreign investment and telecommunications, privacy, and technology policies and reform in the region, and helped advocate for U.S. business interests in front of the Vietnamese government. Before her legal career, Alyssa worked as an editor, journalist, and food writer in New York and Vietnam. She is originally from Charleston, South Carolina.

Experience

Alyssa Worsham is a member of the firm’s trademark and advertising team, which has been recognized in Chambers and Partners’ USA and Global guides, as well as World Trademark Review’s WTR 1000. She focuses on global strategic advice, litigation strategy, and transactional guidance for clients’ trademarks, branding, and advertising in marketplaces where commercial and geographic lines are increasingly blurring. She helps clients assess the risk in selecting new business and product names, and works with them to build, exploit, and protect these names creatively and strategically. Alyssa advises on trademark disputes, domain name disputes, contests and sweepstakes, advertising review, right of publicity, social media issues, Telephone Consumer Protection Act (TCPA) compliance (i.e., the rules surrounding marketing texts and calls), FTC compliance and investigations, copyright, IP diligence, and associated commercial contracts. She works with software companies, biotech start-ups, cosmetics companies, fashion companies, life sciences and digital health companies, agro-tech companies, consumer products, non-profits, and game developers, among others. She advises founders, CEOs, GCs, IP specialists, and chief marketing officers on the critical issues surrounding brand creation, protection, and strategy.

Alyssa began her practice at Baker & McKenzie in Hanoi, Vietnam, where she advised major U.S. technology companies on foreign investment and telecommunications, privacy, and technology policies and reform in the region, and helped advocate for U.S. business interests in front of the Vietnamese government. Before her legal career, Alyssa worked as an editor, journalist, and food writer in New York and Vietnam. She is originally from Charleston, South Carolina.

Focus Areas
Recent Insights
Client Highlights
Wilson Sonsini Advises Centessa on IP Matters Related to Acquisition by Lilly
On March 31, 2026, Centessa Pharmaceuticals, a clinical-stage company developing a new class of medicines for the treatment of excessive daytime sleepiness and other neurological conditions, announced a definitive agreement for Eli Lilly and Company (Lilly), an American multinational pharmaceutical company, to acquire Centessa. Under the terms of the transaction agreement, Lilly will acquire all of the issued and to be issued share capital of Centessa (including the American Depositary Shares (ADSs) representing ordinary shares) for $38.00 in cash per share plus one non-transferrable contingent value right (CVR) that entitles the holder to receive up to an aggregate of $9.00 subject to the achievement of three milestones described below, for total potential aggregate per share consideration of up to $47.00. The upfront cash consideration represents an aggregate equity value of approximately $6.3 billion and the CVR represents an additional potential aggregate equity value of approximately $1.5 billion. Wilson Sonsini Goodrich & Rosati advised Centessa in IP matters related to the transaction.
Learn More
News Articles
2026 WTR 1000 Honors Wilson Sonsini’s Trademark Practice, Attorneys
Wilson Sonsini Goodrich & Rosati’s trademark and advertising practice has been ranked among the leading firms in the 2026 edition of World Trademark Review’s WTR 1000, an annual guide that showcases the top trademark professionals across key jurisdictions worldwide. The firm is recognized as a leader in both California and Washington.
Learn More
View All
Recent Events
Affiliated Programs
Association of Corporate Counsel San Francisco Bay Area CLE — Marketing Meets Law: Your Guide to Compliance and Creativity (Palo Alto)
Wilson Sonsini is proud to sponsor a half-day CLE program for the Association of Corporate Counsel’s San Francisco Bay Area Chapter titled “Marketing Meets Law: Your Guide to Compliance and Creativity.”
Learn More
Speaking Engagements
Association of Corporate Counsel San Francisco Bay Area CLE: How to Counsel Your Marketing Department (San Francisco)
In-house counsel are invited to join Wilson Sonsini attorneys Alyssa Worsham and Christine Au-Yeung for an ACC San Francisco Bay Area CLE program titled “Marketing 101: How to Counsel Your Marketing Department” in San Francisco on Wednesday, October 30. Alyssa and Christine will be joined by Stephanie Hall, Director of Trademark & Brand at Lyft, and will discuss how to be an effective legal voice to your marketing and brand teams as they launch innovative products on a global scale, embrace opportunities in social media, and leverage influencers and endorsements in their marketing initiatives. The program will also cover new FTC rules on using reviews and testimonials in marketing and ways to promote brands through sweepstakes and contests.  
Learn More
View All
WSGR logo
Copyright © 2026 Wilson Sonsini Goodrich & Rosati. All Rights Reserved.