John LeClaire is co-founder and chair of Goodwin's nationally ranked Private Equity group and one of the leading PE/M&A growth company lawyers in the U.S. The Goodwin Private Equity group has served leading private equity firms and growth companies for over 30 years and was recently named U.S. Middle Market M&A Firm of the Year by Merger Market. Mr. LeClaire joined Goodwin in 1982 and has been a partner since 1989.





Mr. LeClaire’s private equity work has included leveraged recapitalizations, buyouts and minority investments in the U.S. and abroad, for leading private equity firms such as Partners Group, Goldman Sachs, Leeds Equity Partners, Nautic Partners, Webster Equity Partners, Tinicum Capital Partners, 1251 Capital, InTandem Capital, Friend Skoler & Co., Fremont Group, Ridgemont Equity Partners, and TA Associates, among others. He also specializes in the representation of growth companies in sectors such as technology and information services, health care and consumer products. Mr. LeClaire’s work in this area focuses on strategic counsel, mergers and acquisitions, growth equity investments and other financing transactions, equity and executive compensation programs for senior executives and going-private and IPO transactions.


Mr. LeClaire has been recognized by The Best Lawyers in America Best Lawyers for his work in Corporate Law Leveraged Buyouts, Private Equity Law and Mergers and Acquisitions Law 2022. 

Mr. LeClaire one of the most prominent private equity and growth company lawyers in the U.S. and one of the leading PE/M&A growth company lawyers in the U.S. He is listed in Chambers Global: The World’s Leading Lawyers for Business, Chambers USA: America’s Leading Lawyers for Business, US News – Best Lawyers, The Legal 500 United States, Lawdragon 500, Leading Dealmakers in America and Best Lawyers in America. While attending law school, he was the Articles Editor for the Boston University Law Review.

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J.D., 1982
Boston University School of Law

(magna cum laude, Law Review Articles Editor)

A.B., 1979
Brown University

(magna cum laude)



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Our clients rely on us for world-class advisory services, counsel on complex transactional work and high-stakes litigation. Specializing in matters involving the financial, life sciences, private equity, real estate, and technology industries, we use a collaborative, cross-disciplinary approach to resolve our clients’ most challenging issues. To find out more, please contact us.


Nos équipes interviennent aux côtés de nos clients, industriels, fonds d’investissement, startups, institutions financières et dirigeants, dans le cadre de transactions et de contentieux complexes, et apportent des conseils de tout premier plan dans les secteurs financiers, des Sciences de la Vie, du Private Equity, de l’immobilier et des technologies. Nous traitons les dossiers juridiques de manière intègre, ingénieuse, souple et audacieuse pour répondre efficacement aux enjeux propres à chacun de nos clients, quels que soient la taille de l’opération et le secteur d’activité. Pour en savoir plus, contactez-nous.

Unsere Kunden verlassen sich auf unsere erstklassige Beratung, vor allem im Hinblick auf komplexe Transaktionen und High-Stakes-Prozesse. Spezialisiert auf Angelegenheiten der Finanz-, Life-Sciences-, Private-Equity-, Immobilien-und Technologie-Branchen, verwenden wir einen kooperativen und interdisziplinären Ansatz, um Fragen unserer Kunden auch in extremen Spezialsituationen einer Lösung zuzuführen. Sie wollen mehr erfahren? Kontaktieren Sie uns gerne.

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