Aaron Lang

Associate - Boston

Aaron Lang
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alang@foleyhoag.com Download vCard

Aaron is an associate in the firm’s Administrative Law department whose practice focuses primarily on environmental and energy law.

A member of the firm’s Energy and Climate group, Aaron provides a broad range of legal services for developers of renewable energy projects and related transmission facilities.  Those services include securing key permits for building utility-scale offshore wind facilities, conducting environmental due diligence on multiple solar energy projects, and representing energy industry clients in adjudicatory proceedings before state public utilities commissions in Massachusetts and New Hampshire.

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  • Boston University School of Law, J.D., magna cum laude, 2015
  • University of Michigan, B.A., with distinction, 2011


English, Spanish

Representative Experience


  • Representing offshore wind energy developer in permitting and other proceedings before the Massachusetts Energy Facilities Siting Board and the Department of Public Utilities relating to two approximately 800MW offshore wind facilities.
  • Advising solar developers in environmental diligence matters relating to the acquisition of solar projects.
  • Represented a biomass generator before the New Hampshire Public Utilities Commission in proceedings related to an amendment to a power purchase agreement required by a change in state law. 


  • Representing client through appeal regarding Comprehensive Environmental Response, Compensation, and Liability Act before Second Circuit Court of Appeals and related district court proceedings.
  • Representing public and private clients in environmental contribution claims asserted under the Massachusetts Superfund statute, Chapter 21E.
  • Representing PRPs and PRP groups in Superfund remedy negotiation and related litigation in Massachusetts and New Hampshire.
  • Representing sovereign state client in damages phase of an investor-state arbitration in part of the proceedings that focus on environmental contamination.
  • Represented public sector client in Clean Air Act dispute and with other environmental matters.
  • Represented a joint-venture in conducting environmental diligence for its acquisition of a corrugated cardboard manufacturer. 

Litigation and Investigations

  • Representing a major teaching hospital and physicians’ organization in qui tam action alleging improper billing of Medicare and Medicaid.
  • Assisted in conducting internal investigation for a Boston-area medical center concerning the tragic death of a young woman who suffered a severe asthma attack outside the emergency department entrance.
  • Assisted in conducting an internal investigation for a major Boston university into anonymous allegations of wrongdoing against a senior executive.
  • Represented major insurer in successfully closing a complaint before the Centers of Medicare & Medicaid Services.
  • Represented a witness in a bank investigation by the Office of the Currency Comptroller.

Pro Bono Representation

  • Represents immigrants who have come to the United States as unaccompanied minors in change of status proceedings.
  • Helped secure the release of an immigrant detainee in federal habeas proceeding that set precedent in the district court shifting the burden of proof in bond proceedings to the government to justify holding certain immigrant detainees.
  • Represented Union of Concerned Scientists as amicus in district court challenge to President Trump’s executive order requiring repealing two regulations for every new regulation issued.

Professional Experience

  • Clerk to the Hon. Gary E. Hicks of the New Hampshire Supreme Court
  • Note, "An Opportunity for Change? Aggravated Felonies in Immigration Proceedings and the Effect of Moncrieffe v. Holder," 33 B.U. Int’l L.J. 523 (2015)


  • Editor-in-Chief, Boston University International Law Journal
  • Paul J. Liacos Distinguished Scholar
  • G. Joseph Tauro Scholar
  • James B. Angell Scholar


  • Boston Bar Association, Member
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Bar Admissions

  • Massachusetts
  • New Hampshire