Thomas Sauermilch concentrates in cross-border mergers and acquisitions, joint ventures and other complex cross-border corporate/commercial transactions for major multinational corporations, private equity funds and their portfolio companies and medium-sized businesses. He also advises clients in corporate governance and compliance matters. He has led transactions in a wide range of sectors, including aerospace and avionics, automotive industries, chemicals, energy, engineering, manufacturing, media, medical devices and scientific instruments, metals and natural resources, packaging, pharmaceuticals, semiconductor equipment, software, technology and trading in North and South America, Europe and Asia. He has been recognized over many years by leading legal directories and nominated as Lawyer of the Year by The Deal (2018) and Dealmaker of the Year by M&A Advisor (2017).

Thomas is a former chair of the Firm’s Global M&A Practice.


  • Represented a leading specialty chemicals company in its $3.8 billion acquisition of a worldwide specialty and additives business, its $1.6 billion acquisition of pharmaceutical manufacturing operations and strategic alliance with a major US based pharmaceutical company, its $2 billion acquisition of the worldwide personal care business of and strategic alliance with a leading US chemicals company and numerous other acquisitions, divestitures and joint ventures

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  • Nominated as Lawyer of the Year by The Deal, 2018
  • Nominated for Dealmaker of the Year by M&A Advisorwith respect to Evonik’s $3.8 billion acquisition of the global performance materials division of Air Products and Chemicals, 2017
  • Acritas Star Lawyer, 2016 to 2020 (noting his high level of expertise, strong advocacy skills and pragmatic approach)

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  • American Bar Association
  • American Council on Germany
  • International Bar Association


Fordham University School of Law, JD, 1988
Fletcher School of Law and Diplomacy, MALD, 1985
Indiana University Maurer School of Law, LLM, 1981
University of Kiel, Staatsexamen, 1983

New York

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Thomas Sauermilch

Insights & Events / Media

M&A Review, Volume 2, 2020 / September 16, 2020

Belgio / International News / September 2020

Tokyo, Japan / McDermott Event / January 30, 2019

Tokyo, Japan / McDermott Event / January 24 - 25, 2018

Tokyo, Japan / McDermott Event / January 25 - 26, 2017