David Barnes

Senior Attorney Hogan Lovells
About/Bio

David Barnes is a litigator and regulatory attorney who concentrates his practice on complex consumer product and environmental matters. He has counseled and represented clients in hundreds of matters involving established California laws such as Proposition 65, while also advising clients on developing environmental laws such as California’s Senate Bill 343 (Environmental Advertising) and Senate Bill 54 (Extended Producer Responsibility).

David represents clients in both federal and state courts. In state court, he has obtained the dismissal of more than 50 matters brought under California Proposition 65 on the basis that private enforcers’ pre-suit notices did not comply with the requirements of the implementing regulations, including the dismissal of 40 related cases via a successful motion for judgment on the pleadings he authored. In federal court, he has represented two plaintiffs who obtained preliminary injunctions against Proposition 65 warnings for acrylamide on First Amendment grounds. Before joining Hogan Lovells and while in law school, David served as first chair prosecutor in a federal criminal matter while interning at the Yosemite National Park Legal Office. He obtained a conviction that was ultimately upheld by the Ninth Circuit Court of Appeals. 1

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