Brook J. Detterman photo

Brook J. Detterman


15 Walnut Street
Suite 400
Wellesley, MA 02481-2133

  • Dartmouth College (B.A, Environmental Studies, 1998)
  • Lewis and Clark Law School (J.D., Magna Cum Laude, 2009; Certificate in Environmental & Natural Resources Law)
Bar Admissions & Memberships
Bar Admissions & Memberships
  • Massachusetts
  • District of Columbia
  • U.S. Court of Appeals: First Circuit, Third Circuit
  • U.S. District Courts: District of Colorado, District of Columbia

Brook Detterman's practice encompasses both traditional environmental matters and emerging issues in the areas of energy and climate change. Brook's experience includes complex environmental litigation, transactional due diligence, and regulatory counseling, with a focus on the Clean Air Act, the Clean Water Act, the Comprehensive Environmental Response, Compensation, and Liability Act, and other state and federal environmental laws. 

Brook's regulatory experience includes: 1

  • Helping clients understand and manage renewable energy policies, carbon emissions requirements, domestic and international carbon offset markets, and the emerging regulatory landscape surrounding natural gas extraction and hydraulic fracturing.
  • Developing regulatory guidance and strategy for over 30 energy companies on a wide range of environmental issues.
  • Advised a midsized western refining company on consent decree compliance, filed motions to protect force majeure claims, and negotiated related consent decree modifications with EPA.

Brook's litigation experience includes: 1

  • Obtaining partial summary judgment for a major utility in Clean Air Act litigation involving thousands of claims, and obtaining favorable settlement with a citizens group.
  • Managing discovery, litigation strategy, and joint defense activities for multiple clients in a complex New Jersey Spill Act case involving over three hundred parties and multiyear trial proceedings.
  • Serving as primary counsel in Third Circuit appeal of EPA regulatory action directed at electric generating facility.

Brook's transactional experience includes: 1

  • Conducting transactional due diligence and developing risk mitigation strategies for transactions in the mining, energy, transportation, and manufacturing sectors.
  • Structured and drafted contracts for the sale, purchase, and brokerage of carbon offset credits.
  • Supported multiple carbon offset and renewable energy transactions, including hydroelectric projects under the Clean Development Mechanism, domestic landfill gas-to-energy development, and a novel trans-border carbon offset generation project involving CFC destruction.
  • Assisting a major international oil company with investments in offshore U.S. oil and gas operations and addressed NEPA issues related to construction of two LNG terminals.

Prior to joining the firm, Brook was an associate in the environmental department of a large international law firm.

Brook served as a law clerk at the U.S. Department of Justice, Environment and Natural Resources Division, where he worked on a range of legal issues arising under federal environmental law, including CWA wetlands jurisdiction, CERCLA liability, RCRA compliance, and NEPA requirements. Brook was Associate Editor of the Lewis & Clark Law School Environmental Law Review and served on the Moot Court Honor Board.  At Dartmouth College, Brook worked as a teaching assistant in Environmental Studies Department, and as a research assistant in the Biology Department.

Prior to attending law school, Brook had a successful eight-year career in the database and business intelligence consulting industry.  This experience allows him to apply data-driven solutions to legal problems, particularly during technical litigation or regulatory proceedings.

1 Experience listed here includes work done at other law firms.

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