Mary Kaiser is a partner in Morrison & Foerster’s Global Antitrust Law Practice. Mary represents domestic and multinational companies as both plaintiffs and defendants in in all aspects of antitrust and competition-related matters, including internal and government antitrust investigations, enforcement proceedings, and class action litigation in federal and state courts. She has defended companies in antitrust and related complex litigation involving claims of price-fixing, monopolization, and refusals to deal, as well as prosecuted antitrust counterclaims in patent and IP infringement matters. Mary also has experience counseling clients on antitrust compliance and merger advice. Her clients span various sectors from media to life sciences to computer software.
Mary also maintains an active pro bono practice, with experience representing clients in voting rights, asylum, and landlord-tenant matters.
Prior to joining Morrison & Foerster, Mary clerked for the Honorable Marian Blank Horn of the U.S. Court of Federal Claims and handled complex commercial litigation matters at another global law firm.