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< Back to Bio
David P. Mattern

News 21 results

In the News · Source: Law360 and The AmLaw Litigation Daily

December 16, 2025
Geoffrey Drake, David Mattern, Bailey Langner and Rachel Yeung obtain a favorable dismissal on behalf of TikTok before a California federal court in a dispute over its reporting and moderating tools

In the News · Source: Law360

October 28, 2025
David Mattern and Geoff Drake advise TikTok before the Superior Court of the State of California on its request to toss claims against the company from an upcoming trial over the platform’s alleged harm to youth mental health

In the News · Source: Law360

October 15, 2025
Geoff Drake, David Mattern and Nicholas Mecsas-Faxon represent TikTok in a Section 230 appeal

In the News · Source: Law360

July 22, 2025
David Mattern advises TikTok before a California federal court in a dispute related to the interpretation of Section 230 of the Communications Decency Act

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Events 1 results

Speaking Engagement

May 29, 2025
David Mattern and Mikaela Stone to Speak at the 23rd Annual Rocky Mountain Intellectual Property & Technology Law Institute

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