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Global Leader

Competition 2020

Professional Biography

WWL Ranking: Recommended

WWL says

Damian Didden is lauded as "a terrific antitrust lawyer" who regularly advises clients in the banking, telecoms and financial services sectors on the full gamut of antitrust matters. 

Biography

Damian G Didden practises in Wachtell, Lipton, Rosen & Katz’s antitrust department where he advises clients on various aspects of competition law matters. Mr Didden's particular focus is analysing the antitrust risk of mergers and acquisitions, and guiding clients through the merger review process before federal, state and foreign regulators. He has advised clients engaged in a diverse spectrum of sectors, including telecommunications, banking and financial services, entertainment and media, internet-based services, technology and software, defence, retail operations and manufacturing, among other industrial classifications. Mr Didden became partner at Wachtell Lipton in January 2009.

Mr Didden joined the firm as an associate in 2001, after spending two years as a trial attorney with the antitrust division of the United States Department of Justice. While at the antitrust division, Mr Didden investigated several high-profile merger transactions, including GE/Honeywell and Viacom/CBS, among others. Prior to joining the antitrust division, he was a law clerk for the Honorable Hector M Laffitte, chief judge of the US District Court for the District of Puerto Rico.

Mr Didden received an AB cum laude in philosophy from Boston College, where he completed the arts and sciences honours programme in 1992. He received a JD cum laude from the Georgetown University Law Center in 1997. Mr Didden is admitted to practise in Maryland and New York. He is a member of the American Bar Association's antitrust section.

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