Eric Rothenberg


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Eric B. Rothenberg leads the Firm’s Environmental Practice. He represents business and financial institutions in a broad range of adversarial matters, including superfund proceedings, toxic tort claims and private cost recovery actions. Drawing upon his experience as a graduate-degree environmental engineer, Eric also directs diligence and documentation of transactions, financings and restructurings/reorganizations involving industrial and commercial properties. He also serves as lead counsel and court-appointed allocation counsel at National Priorities List superfund sites.

He is a frequent speaker and author of numerous publications including current U.S. and International Environmental Law summaries for the PLI Corporate Legal Counsel series and LexisNexis compliance guides. He is recognized by Chambers USA, Best Lawyers in America, Super Lawyers, and International Who’s Who as a leading US environmental lawyer.

Honors & Awards

  • Recognized by Best Lawyers® 2020 for Environmental Law in New York, NY; Eric has been listed in Best Lawyers® since 2008
  • Chambers USA - Leading Lawyer in Environment: Mainly Transactional (2012-2019)
  • Recognized by Legal 500 in the area of Finance: Capital markets: high-yield debt offerings (2012); Recommended in Environment: transactional (2018-2019)
  • Recognized by Super Lawyers in the Environmental Litigation section (2007, 2009-2018)
  • Recognized by Who’s Who Legal: Environment (2009-2018)
  • Chambers USA - America’s Leading Lawyers for Business (2008-2017)
  • Recognized by Who’s Who Legal: Business (2006-2016)
  • Named a “Super Lawyer” in a survey conducted by Thomson Reuters (2007-2016)
  • Recognized by AmLaw as a Top Rated Lawyer in Energy/Environmental (2013-2015)
  • Recognized as one of the New York Area’s Top Lawyers by New York Magazine (2009, 2011)
  • PLC Cross-border Environmental Handbook - Recommended in Environment: Corporate Section in NY (2011/2012, 2009/2010 and 2008/2009)
  • Corporate Counsel “Top Lawyer” (2008)


Bar Admissions

  • New York
  • Missouri

Court Admissions

  • US Supreme Court


  • Northeastern University, J.D., 1981
  • Harvard University School of Public Health, M.S., 1976
  • Harvard University, A.B., 1975: magna cum laude

Professional Activities


  • American Bar Association
  • The Bar of the City of New York
  • American Industrial Hygiene Association


  • Hydraulic Fracturing Developments,” Pratt’s Energy Law Report (Quarterly 2015-2017)
  • International Environmental Law,” International Corporate Practice: A Practitioner's Guide To Global Success, PLI, 4th ed. (Annual updates 2014-2018)
  • “Specific Corporate Compliance Challenges By Practice Area: Environment,” Corporate Compliance Practice Guide: The Next Generation (LexisNexis, August 2009-2018)
  • “Latest Developments in International Maritime Environmental Regulation,” The Tulane Maritime Law Journal (winter ed., 2008)
  • “The Greening of Older Buildings,” New York Law Journal (September 29, 2008)
  • “Successfully Minimizing Risk” in Environmental Law Deal Strategies (Aspatore Books 2008)
  • “Exploring the Carbon Trading Landscape,” New York Law Journal (July 16, 2007)
  • “USEPA and State Brownfield Programs,” RTM/BNA Contaminated Property Transaction Symposium, Washington DC (April 11-12, 2007)
  • “Overview of Environmental Law,” Corporate Legal Departments, PLI, 6th ed. (2006)
  • “Overview of Environmental Law,” Westchester/Fairfield County ACCA Mergers and Acquisitions Conference (Sept. 22, 2005)
  • “Federal and State Superfund Laws Affecting Business and Financial Transaction,” New York State Bar Association Annual Environmental Conference (July 2005)


  • “Turbulent Times,” Aviation Industry Review, Euroasia Industry magazine (May 2012)


  • “Environmental Risk Management: A Desk Reference,” Risk Management Technologies, Inc., 2d ed. (1998)

Research Assistant Professor

  • Harvard University School of Public Health (1976)
  • O’Melveny provided environmental and regulatory due diligence and documentation for Apollo Management LP in its acquisition of Constellis Holdings. A consortium of investors led by Apollo entered into a definitive agreement to acquire Constellis for an estimated US$1 Billion. Constellis, formerly known as Blackwater, is a global consultant for military operations with a primary training facility in Moyock, North Carolina.
  • Lowell Acquisition, LLC with respect to the diligence and documentation for the roll up acquisition of a sportswear manufacturer 
  • Apollo Global Management and its portfolio company, Taminco Corp. (Taminco), the world’s largest producer of alkylamines and alkylamine derivatives, in the $2.8 billion sale of Taminco to Eastman Chemical Company, a global producer of specialty chemicals
  • Verso Paper in its $1.4 billion acquisition of NewPage, a privately held producer of specialty paper products
  • Apollo Global Management in its $7.15 billion acquisition of El Paso Corporation’s oil and gas exploration units