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Major players across the healthcare industry—pharmaceutical and biotechnology companies, medical device and equipment manufacturers, health insurance companies, hospitals and other providers—turn to Simpson Thacher for deep experience navigating the complexities of the industry. From structuring multibillion dollar mergers and obtaining antitrust approval to advising on disputes and investigations, our healthcare group combines industry-specific experience with unrivaled excellence in the legal disciplines that most affect healthcare companies.  
More than $965 billion aggregate value of healthcare deals since 2010
Over 525 corporate representations in healthcare since 2010
“Simpson Thacher couples ‘an impressive level of experience, industry knowledge and business acumen’ with a ‘deep bench.’”
--The Legal 500
Pharma and Biotech
  • PPD’s $1.863 billion IPO
  • Valeant (n/k/a Bausch Health Companies) in a high-profile securities fraud and RICO class actions; recently secured dismissals in multiple actions
  • Blackstones acquisition of Clarus, a life sciences investment firm, marking the launch of Blackstone Life Sciences
  • Celgene’s $74 billion merger with Bristol-Myers Squibb (representing the financial advisors to Celgene)
  • 10x Genomics’ $448.5 million IPO, the largest life sciences IPO of 2019
  • Equity offerings for Zai Lab
  • KKR’s $1.4 billion acquisition of PharMerica; PharMerica in securities litigation related to the acquisition, which was dismissed with prejudice
  • Trademark Group and Laboratorios Stein in the $6.5 billion sale of a pharmaceutical products portfolio to Eurofarma
  • Defense of Pfizer in multiple securities litigations
  • Blackstones acquisition of the entire equity stake in AYUMI Pharmaceutical
  • Bayer and Pfizer in false advertising matters
  • Daiichi Sankyo’s high-profile multidistrict “pay-for-delay” antitrust litigation related to Lipitor
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MedTech & Devices
  • Avantors $4.37 billion IPO, the largest healthcare IPO in U.S. history
  • K2M Group Holdings, Inc.’s acquisition by Stryker Corporation for approximately $1.4 billion
  • KKR Biomet in dismissal of all claims in putative securities class action
  • Multiple acquisitions and debt offerings for Teleflex
  • Debt offerings for Boston Scientific
  • EQT Partners’ sale of Clinical Innovations to LABORIE
  • A medical device company in connection with allegations raised relating to FDA and FCPA compliance issues
  • Debt offerings for Agilent Technologies
  • PHC Holdings’ $1.14 billion acquisition of the Anatomical Pathology business of Thermo Fisher
  • Financing for Repligen’s announced acquisition of C Technologies
  • Apax Partners’ $6.725 billion sale with CPPIB and PSP Investments of Acelity
  • Apax Partners’ joint venture with Becton Dickinson for Respiratory Solutions Business
  • Warburg Pincus in a $76.5 million series C equity funding for Outset Medical
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Payors and Providers
  • CVS Health’s $40 billion debt offering, the third-largest corporate bond sale on record, to finance its acquisition of Aetna
  • Cigna’s $1.6 billion debt offering and related tender offers
  • 21st Century Oncology in a civil suit alleging monopolization and attempted monopolization in violation of Sherman Act Section 2
  • New Frontier’s $1.3 billion acquisition of United Family Healthcare
  • Debt offerings for Community Health Systems 
  • HCA’s IPO (the largest U.S. IPO of 2011) and multiple debt and equity offerings
  • KKR’s $9.9 billion acquisition of Envision Healthcare
  • HCA in resolution of a class-action lawsuit alleging that three defendant hospital networks conspired to depress nurse wages 
  • Debt offerings for Humana
  • National healthcare provider in a criminal antitrust “no-poach” investigation
  • Hapvida’s $872.1 million IPO
  • Debt offerings for UnitedHealth Group
  • An insurance carrier concerning a computer data access incident that resulted in investigations by various state and federal government and regulatory entities, including the Department of Health and Human Services and the DOJ
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Healthcare IT & Services
  • Change Healthcare’s $928 million IPO and concurrent equity offering
  • EQT Partners’ $2.7 billion acquisition with CPPIB of a majority stake in Waystar
  • McKesson in dismissal of antitrust class action concerning alleged price-fixing conspiracy among manufacturers of generic pharmaceuticals
  • Debt offerings for MultiPlan
  • Press Ganey’s IPO and multiple acquisitions as well as EQT Partners’ sale of Press Ganey
  • Weight Watchers in securing a dismissal for a securities class action alleging false and misleading statements regarding its financial performance 
  • Centerbridge Partners’ financing for its acquisition of Civitas Solutions
  • Waystar’s announced acquisition of Recondo Technology
  • Financing for Covetrus
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Healthcare M&A Infographic
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News & Events


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      Simpson Thacher Hosts 2020 Healthcare Perspectives Event
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      Simpson Thacher Enhances Healthcare Practice With Addition of Regulatory Counsel Vanessa K. Burrows
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      Juan Naveira Speaks at IBA’s 7th Annual World Life Sciences Conference