Mintz received an ‘A’ grade on the 2025 Law Firm Climate Change Scorecard, published by Law Students for Climate Accountability (LSCA). The LSCA releases the Scorecard annually, ranking “Vault 100” law firms based on their involvement in fossil fuel-related work over a five-year period, evaluating activity across litigation, lobbying, and transactional matters. To receive an ‘A’ grade, a firm must meet the criteria for an ‘A’ in at least one of the three categories and achieve no lower than a ‘B’ in the remaining categories.

Read about how the Mintz Sustainable Energy and Infrastructure Practice led record-size sustainable infrastructure projects over the past year and closed over 70 deals in 2024, helping clients raise over $4 billion.

Energy & Sustainability Co-chair Sahir Surmeli recently spoke with Law360 about transactional trends in the energy sector to watch in 2025. 

Mintz advised Aspen Aerogels, Inc. (NYSE: ASPN), a technology leader in sustainability and electrification solutions, on a registered follow-on offering of 4,887,500 shares of its common stock, which included 637,500 shares pursuant to the underwriters’ option to purchase additional shares of its common stock. The price to the public in the offering was $20.00 per share and the gross proceeds to Aspen from the offering were approximately $98 million, before deducting underwriting discounts and commissions and estimated offering expenses.

Mintz represented the US Department of Energy’s Loan Programs Office in its conditional commitment for a loan guarantee of up to $1.44 billion to Montana Renewables, LLC. Montana Renewables is an unrestricted subsidiary of Calumet (NASDAQ: CLMT). The deal team was led by Project Development & Finance Chair Ayaz Shaikh, Paul Dickerson, Kris Kirkwood, and Lyndon Plothow.

Mintz is pleased to be the exclusive legal partner of The Engine’s 2024 “Tough Tech Week” summit taking place October 7-11 in Boston. The Engine is an accelerator program started by MIT that works together with Engine Ventures, a premier VC investor, to address the planet’s most challenging problems through coordinated innovation.

Mintz’s Energy & Sustainability practice continued its commitment to energy transition with more than 80 deal closings totaling $4 billion over the past 12 months, as global investment in energy transition showed continued strength in an overall down market.

BOSTON– Mintz represented Gradiant Corporation, a global end-to-end solutions provider of advanced water and wastewater treatment, in its Series D financing.

Deal activity remains high for our Energy & Sustainability Practice, building on the momentum of last year’s record of 57 transactions with an aggregate deal value of $4.6 billion. Global investment into energy transition and climate technology drove our work for clients like NET Power, Nuvve Corporation, and Aspen Aerogels.

BOSTON – Mintz is pleased to announce that Environmental Law Chair Jeffrey R. Porter  and Energy & Sustainability Co-Chair Sahir Surmeli have been named ‘Top Authors’ in their respective fields by JD Supra in its 2023 Readers’ Choice Awards.