Skadden, Arps, Slate, Meagher & Flom (Palo Alto)

Joanna Warren

Skadden, Arps, Slate, Meagher & Flom (Palo Alto), Adobe (San Jose)
Lawyer (Associate)

Joanna Warren is an associate in the firm’s Antitrust and Competition department. She has represented clients in mergers and acquisitions reviewed by the Antitrust Division of the Department of Justice, the Federal Trade Commission and state antitrust authorities, and in civil multidistrict, treble damage putative class action antitrust litigation. Ms. Warren’s experience in merger review matters has involved representation of clients in significant M&A transactions across a broad range of industries. Representative clients include Advantest Corp.; Ecolab, Inc.; Gateway, Inc.; Guidant Corp.; Hoya Corp.; JDS Uniphase Corp.; McKesson Corp.; Micrus Endovascular Corp.; Pierre Foods, Inc.; PMC Sierra Inc.; Safeco Corp.; Travelport, LP; Wm. Wrigley Jr. Co.; and Yahoo! Inc., among others. Ms. Warren’s practice also includes counseling clients on a variety of antitrust and competition matters including non-merger related government investigations, potential business arrangements and compliance programs.

Linked authors

Skadden, Arps, Slate, Meagher & Flom (London)
Skadden, Arps, Slate, Meagher & Flom (London)
Skadden, Arps, Slate, Meagher & Flom (London)
Skadden, Arps, Slate, Meagher & Flom (New York)
Skadden, Arps, Slate, Meagher & Flom (Brussels)


357 Bulletin

Alec Y. Chang, Clifford H. Aronson, Joanna Warren, Sharis A. Pozen The US Supreme Court narrows "State-Action" doctrine in hospital merger challenged by the US FTC (Phoebe Putney)


In a unanimous decision issued on February 19, 2013, the U.S. Supreme Court ruled that the state-action doctrine did not immunize Phoebe Putney Health System’s acquisition of Palmyra Park Hospital in Albany, Georgia. The decision immediately was hailed by FTC Chairman Jon Leibowitz as "a big (...)

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