Law firms Making history: US elite lines up to advise on Pfizer takeover of Allergan Legal Business · 23 November 2015 · 2 min read Corporate and M&A US firms In what has been reported as the largest pharmaceutical deal in history, four of the biggest Wall Street players have advised on Viagra-owner Pfizer’s agreed $160bn takeover of Botox-maker Allergan.Your limit of 1 article in 30 days is up. Please login for full access or subscribe. Corporate users - click here for simple access (no password needed). For more information, please contact [email protected] Related ContentMore in this categoryBakers’ outgoing London chief on why the firm is doubling down on transactions in the CityLaw firmsTom Cox17 Jun 2026Top US duo tune in as Fox makes $22bn streaming acquisitionLaw firmsKate Peacock15 Jun 2026‘We’re down to earth, we’re fair, we’re ambitious’ – Browne Jacobson hits record £148.8m turnoverLaw firmsTom Cox15 Jun 2026‘There’s a lot of money in Chicago’ – the city’s top lawyers on what’s driving business in the MidwestLaw firmsAlex Ryan13 Jan 2025Legal 500 US: Latham tops the charts in new US rankingsLegal 500 dataBarnaby Merrill28 Jun 2024Revolving Doors: Travers and Shearman exodus continues as US firms pick up the talentLaw firmsAlex Ryan16 Feb 2023Revolving doors: Simpson Thacher, Latham, Sidley lead New Year London movesLaw firmsAnna Huntley9 Jan 2025‘Seize every opportunity’ – Paul Hastings partner Reena Gogna on City law, Suits and poetryLaw firmsAnna Huntley7 Jan 2025Five partners vie to succeed Hoyland as Simmons managing partnerLaw firmsTom Cox7 Jan 2025