Clifford Chance and Skadden Arps Slate Meagher & Flom are advising French technology company Daussault Systemes on its $5.8 billion acquisition of U.S. clinical trial data company Medidata Solutions.

Medidata provides life science companies with clinical, commercial and real-world data, and hit  $636m in revenue last year.

If successful, it will be the largest deal to date for software company Daussault.

Skadden is advising the company on corporate matters, fielding a cross-border team that includes Paris-based M&A partner Armand Grumberg, New York M&A partner Howard Ellin, New York intellectual property partner Jose Esteves, and antitrust partner Frederic Depoortere in Brussels.

Magic Circle firm CC has taken the lead for Daussault on the deal's financing matters.

Its team is led by Paris-based banking and finance partner Thierry Arachtingi, while capital markets partner Aline Cardin is advising on French stock exchange regulations.

Norton Rose Fulbright meanwhile is advising Medidata, with its team led by New York office administrative partner Warren Nimetz. It has also fielded New York corporate, banking and business department co-chair Sheldon Nussbaum, Washington D.C. antitrust partner Daniel Wellington, and Frankfurt/Brussels-based antitrust partner Christian Filippitsch.