S&C, Skadden, Kirkland Advise on Allergan Deal: Business of Law

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Four U.S. law firms and two from Canada advised on Valeant Pharmaceuticals International Inc.’s deal to buy Allergan Inc., maker of the blockbuster Botox wrinkle treatment.

Sullivan & Cromwell LLP, Skadden, Arps, Slate, Meagher & Flom LLP and Toronto’s Osler, Hoskin & Harcourt LLP represented Valeant, while Kirkland & Ellis LLP and Canada’s Davies Ward Phillips & Vineberg LLP represented William Ackman’s Pershing Square Capital Management LP, which partnered with Valeant on the deal. Latham & Watkins LLP advised Allergan.