Marcia Hofmann

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Marcia Hofmann is the founder and principal of Zeitgeist Law PC. She represents clients throughout the country in criminal and civil litigation and has written dozens of amicus briefs in high-impact cases, including in the Supreme Court. She also works with technology companies, researchers, journalists, artists, and others who need help navigating the murky laws surrounding access to computers and digital information.

Aside from her work with Zeitgeist Law PC, Marcia is special counsel to the Electronic Frontier Foundation (EFF), a non-profit digital rights advocacy organization based in San Francisco, California. She speaks regularly at law and technology events and her writing has appeared in the New York Times, Slate, and Wired, among other publications. She has also taught as an adjunct professor at Colorado Law and the University of California Hastings College of the Law

Prior to starting the practice, Marcia was a senior staff attorney at EFF specializing in digital civil liberties issues and hacking-related law. She also co-founded EFF’s open government litigation project. Documents uncovered through her government transparency work have been reported on by the New York Times, Washington Post, National Public Radio, and CNN, among others.

Before joining EFF, Marcia was staff counsel and director of the Open Government Project at the Electronic Privacy Information Center, a non-profit educational center in Washington, DC that works to focus public attention on emerging privacy and civil liberties issues.

Marcia graduated from Mount Holyoke College and the University of Dayton School of Law. She has also studied negotiation at Harvard Law School.



  • California

  • Colorado

  • District of Columbia

  • Supreme Court

  • Third Circuit

  • Fourth Circuit

  • Ninth Circuit

  • Federal Circuit

  • Northern District of California

  • Central District of California

  • District of Colorado

  • District for the District of Columbia

  • Eastern District of Wisconsin