LAWYER PROFILE
John O'Loughlin

John O'Loughlin

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by Weil, Gotshal & Manges LLP

USA

Practice Areas

John O'Loughlin is a partner in Weil’s Corporate Department. John’s practice encompasses a wide range of administrative and regulatory compliance matters, with a particular focus on product stewardship and compliance with health and safety regulations. He advises clients in matters under the jurisdiction of the Environmental Protection Agency, the Food and Drug Administration, the Consumer Product Safety Commission, the Occupational Safety and Health Administration, and the Nuclear Regulatory Commission. He also counsels clients on compliance matters involving sensitive products and services in cross-border transactions. He has worked on numerous mergers, acquisitions and other transactions over the past two and a half decades, advising financial institutions, strategic buyers and sellers, private equity funds, pension funds, sovereign wealth funds and other investors. He has experience working with both lenders and borrowers on debt financings, underwriters and issuers on equity offerings, and investors and managers in the fund formation context.

Personal

University of Maryland School of Law (J.D., 1996); Boston University (M.A., 1985); Towson University (B.S., 1983).

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Environment: Mainly Transactional - District of Columbia

Band 3
Band 3

Individual Editorial
John O'Loughlin acts for financial institutions, private equity firms and corporate clients on a range of proceedings. His expertise includes handling complex environmental issues that arise in transactions involving pharmaceutical and healthcare companies.

Strengths

Provided by Chambers

  • John is simply an excellent attorney across the board and a pleasure to work with. I genuinely enjoy solving problems with him; he is practical, deeply smart and an excellent communicator.

    Environment: Mainly TransactionalChambers Guide to the USA

Ranked Individuals at Weil, Gotshal & Manges LLP (122)

California

California: Northern

California: San Francisco, Silicon Valley & Surrou

District of Columbia

Florida

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership