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John L. Slafsky
Partner
Trademark and Advertising
Palo Alto

D650-320-4574

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  • In-Depth Expertise

    John has more than 25 years of experience in trademark, copyright, and advertising law. He has particular expertise in protecting brands for internet, software and hardware, entertainment, and sports businesses.

  • A Recognized Leader in the Field

    John has been recognized by Chambers USA for his work and has been selected as a “Global Leader” and designated “Gold Band” by World Trademark Review.  He has also been designated as one of the “Top Intellectual Property Lawyers” in California by the Daily Journal.

  • Committed to Pro Bono

    John is a recipient of the firm’s John Wilson Award for exceptional pro bono service to the community. He has a longstanding history of representing organizations focused on the arts and education.

John Slafsky is a partner at Wilson Sonsini Goodrich & Rosati, where he specializes in trademark, copyright, and advertising law.

John offers strategic advice to clients concerning advertising and promotions and also handles disputes in and out of court. Among John's counseling activities are: advising clients regarding marketing campaigns; the selection, registration, and enforcement of trademarks in the United States and worldwide; copyright clearance; the handling of Internet domain name disputes; the transfer and licensing of intellectual property; and consumer protection issues. He has litigated cases in federal and state courts relating to trademarks, copyright, unfair competition, right of publicity/privacy, domain names, defamation, and consumer protection.

John has been recognized as a leader in his field by various publications. Chambers USA notes that John “undertakes a broad range of trademark and copyright matters...on behalf of clients from an array of industries.” World Trademark Review rates him as a “Global Leader” and "Gold Band," describing him as "highly strategic...with extensive expertise in technology and Internet issues" and as "a crisp and practical lawyer who gets to the heart of the matter without bluster."

John is also a contributing editor of The Intellectual Property Strategist.

He previously served as an aide to U.S. Senator Bill Cohen.

Experience

John Slafsky is a partner at Wilson Sonsini Goodrich & Rosati, where he specializes in trademark, copyright, and advertising law.

John offers strategic advice to clients concerning advertising and promotions and also handles disputes in and out of court. Among John's counseling activities are: advising clients regarding marketing campaigns; the selection, registration, and enforcement of trademarks in the United States and worldwide; copyright clearance; the handling of Internet domain name disputes; the transfer and licensing of intellectual property; and consumer protection issues. He has litigated cases in federal and state courts relating to trademarks, copyright, unfair competition, right of publicity/privacy, domain names, defamation, and consumer protection.

John has been recognized as a leader in his field by various publications. Chambers USA notes that John “undertakes a broad range of trademark and copyright matters...on behalf of clients from an array of industries.” World Trademark Review rates him as a “Global Leader” and "Gold Band," describing him as "highly strategic...with extensive expertise in technology and Internet issues" and as "a crisp and practical lawyer who gets to the heart of the matter without bluster."

John is also a contributing editor of The Intellectual Property Strategist.

He previously served as an aide to U.S. Senator Bill Cohen.

Focus Areas
Recent Insights
News Articles
John Slafsky Honored as 2024 Global Leader by World Trademark Review
On June 5, 2024, the World Trademark Review named Wilson Sonsini partner John Slafsky a 2024 Global Leader in the private practice category. The WTR Global Leaders rankings draw on a three-month nomination and research process to identify the best of the best in trademark practice.
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News Articles
Wilson Sonsini Practices, Attorneys Named in 2024 Chambers USA Guide
Wilson Sonsini Goodrich & Rosati practices and attorneys were honored in the recently published 2024 edition of Chambers USA: America's Leading Lawyers for Business. This year, the firm was ranked in 36 geography-specific practice categories, while 79 attorneys were honored among the best in their fields.
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Recent Events
WSGR Events
Wilson Sonsini’s 30th Annual Medical Device Digital Health Conference
Wilson Sonsini’s 30th Annual Medical Device Digital Health Conference will address topics of critical importance to medical device and digital health companies today, including key healthcare regulatory considerations, the relationship between intellectual property and valuation, a look back at 2022’s fundraising and deals, and how 2023 is shaping up along with partnering strategies in the current market.
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WSGR Events
Branding and Advertising Law to Medical Device Companies
The medical device marketplace is increasingly competitive, making it challenging to promote new products in ways that are distinctive and that don’t run afoul of legal restrictions. How can companies best name and promote their products to communicate innovations, be competitively different and clear legal hurdles in the U.S. and abroad?
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