Apex Doctrine At Issue In Mandamus Petition Over Zuckerberg Deposition

( August 21, 2025, 8:08 AM EDT) -- SAN FRANCISCO — Meta Platforms Inc. asked the Ninth Circuit U.S. Court of Appeals to grant its petition for mandamus and provide guidance on application of the apex doctrine as the tech company seeks to avoid a lower court’s order that Chief Executive Officer Mark Zuckerberg be deposed in a suit over the purported collection of Facebook users’ protected health information (PHI)....

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