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Kaoru C. Suzuki


[email protected]



Kaoru advises companies on general corporate and securities matters beginning from the formation of the company through exit, whether through a sale of the company or an IPO. His practice spans the firm’s Energy & Sustainability, Life Sciences, and Technology Practices. Kaoru focuses his practice on advising clients on equity financing transactions, capital market transactions, securities law compliance, and general corporate matters within the energy & sustainability and life sciences industries. His experience includes advising start-up companies, venture capital funds and investors in equity financings, convertible note and Simple Agreement for Future Equity (SAFE) financings, and on general corporate matters, and counseling clients on corporate documents in connection with solar, wind and other renewables projects.

Kaoru acts as outside general counsel for private companies and advises publicly traded clients on SEC reporting and corporate governance obligations.

Kaoru frequently participates in startup competitions as a judge, including the Cleantech Open, and presents on topics related to the formation of startups, capital raising, and securities compliance matters. He enjoys teaching and participating in legal clinics for startups and entrepreneurs, and has taught undergraduate courses in Environmental Law at Boston College.

Prior to rejoining Mintz in 2021, Kaoru was an associate in a national law firm, where he represented start-ups, entrepreneurs, investors, and venture capital funds in various fundraising transactions and general corporate matters, and public companies in public offerings and securities compliance matters. He previously worked at Mintz as an Associate in the firm’s Corporate Practice and as a Summer Associate.


  • Represented SOURCE, a hydropanel technology company, in its $130 million Series D financing. 
  • Represented Aeroseal, a duct and air-sealing technology company, in its $50 million Series B financing. 
  • Represented ZwitterCO, Inc., a water treatment and separation solution company, in their $33.4 million Series A financing. 
  • Represented a life sciences company in an at-the-market offering program valued at up to $100 million.
  • Represented a life sciences company in a reverse merger IPO and a simultaneous private placement transaction with a total value of approximately $85 million.
  • Represented WAVE Equity Partners in their investment in a tankless water heater company focused on residential, commercial, and industrial applications. 
  • Represented a life sciences company in a two-tranche Series A financing valued at up to $15 million.
  • Represented a life sciences company in an $18 million IPO.
  • Represented a life sciences company in a three-tranche Series C financing valued at up to $18 million.
  • Represented a solar development company in a $25 million growth equity financing.
  • Represented an energy efficiency app provider in a $10 million stock purchase acquisition.
  • Represented an oncology-focused biotech company in a $50 million Series C financing. 
  • Represented a public life science company in a follow-on public offering of $345 million of common stock.
  • Represented a public life science company in a sell-side merger with a private company that included $87 million in cash, stock, and redeemable notes.
  • Represented a deicing service provider in a $95 million sell-side private equity buyout.
  • Represent start-up companies on formation and corporate structure, including drafting certificates of incorporation with provisions to protect founders’ rights; form of equity incentive plans and stock option agreements; nondisclosure, non-competition and invention assignment agreements; stock restriction and stock purchase agreements; and the filing of 83(b) elections.
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This article provides information for international angel investors and venture funds looking to invest in start-ups in the United States, including on investment frameworks like how terms are handled, regulatory considerations, and US tax implications.

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This article provides a detailed overview of how company founders can create an effective board deck to prepare for a meeting with investor directors.

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As a start-up begins to approach its fiscal year-end, company founders need to be mindful of key annual action items for boards, such as the budget, executive compensation, and other administrative actions.

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This issue of Energy & Sustainability Connections includes features on Mintz’s commitment to the energy transition with 80+ deal closings totaling $4 billion in the past 12 months and public benefit company Cultivo, a roundup of recent M&A activity in the energy space, energy policy news from Washington, litigation updates, and a list of upcoming industry events.

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Read about a Department of Energy (DOE) announcement of $118 million in funding for 17 projects to accelerate the production of sustainable biofuels and the selected projects.

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Read about President Biden’s proposed FY 2023 budget allocating funding to  combat climate change and advance clean energy development, including funding for the DOE’s Advanced Research Projects Agency-Energy program.

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On December 30, 2021, the Massachusetts Department of Public Utilities issued an order doubling the Solar Massachusetts Renewable Target (SMART) program. The order extends the declining block incentive program from 1,600 to 3,200 MW of solar capacity – a move expected to create capacity for new projects and release a bottleneck of stagnant projects.
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In the past several months, lawmakers in both the United States and the European Union have introduced legislation to enact carbon border adjustment mechanisms (CBAMs) in their respective jurisdictions. While the US and EU proposals face roadblocks to their adoption (in the US) and full implementation (in both the US and EU), these two landmark initiatives signal a potential shift toward the usage of novel legal and regulatory tools – in this instance from the field of international trade – to promote climate policy.
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News & Press

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Mintz is pleased to announce that 32 attorneys have been named Massachusetts Super Lawyers and 27 attorneys have been named Massachusetts Rising Stars for 2023.

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

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Mintz advised Asimov in a $200 million fundraising aimed at helping the synthetic biology company scale its tools and services business focused on biologics, cell and gene therapies, and RNA. Mintz Member and seasoned life sciences transactional attorney Joshua Fox led a team that included Associates Kaoru Suzuki and Michael Katz.

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Best Lawyers® recognized 108 firm attorneys in the 2023 edition of The Best Lawyers in America©. Notably, two Mintz attorneys – Poonam Patidar and Scott M. Stanton – received 2023 “Lawyer of the Year” awards, and 28 firm attorneys were included in the inaugural edition of Best Lawyers: Ones to Watch.

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Events & Speaking


When is a SAFE Note Not a SAFE Note?

Michigan Angel Summit

Virtual Event

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Recognition & Awards

  • Identified in Best Lawyers in America as among the “Ones to Watch” – Corporate Law (2021, 2023 –2024)


  • Included on the Massachusetts Super Lawyers list: Business/Corp (2023)

  • Included on the Ohio Super Lawyers: Ohio Rising Stars list (2021)

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