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Keith Kollmeyer


[email protected]



Keith focuses his practice on advising financial institutions in complex litigation and regulatory matters involving structured financial products and consumer financial products, with a particular emphasis on matters involving asset-backed securities (ABS). He provides guidance on risk and documentation issues involving financial products and litigates related disputes, including high-stakes cases in state and federal courts in New York and Delaware.

In his practice, Keith regularly counsels corporate trustees, securities administrators, paying agents, servicers, and other parties. He has provided advice on numerous first-of-their-kind issues affecting the ABS industry and is consistently called upon in unique and challenging circumstances. His capabilities and experience span all product types, including securities backed by residential mortgage loans, whole business assets, private student loans, and other assets. His matters typically involve investors, deal parties, and financial regulators, and he has experience advising on cross-border issues. He has handled all phases of litigation from trial through appeal.

In addition to his financial products practice, Keith has an active pro bono practice that has included immigration removal matters involving unaccompanied minors.

Prior to joining Mintz, Keith was a partner at a global law firm, where he built a significant practice focused on financial institutions. At the beginning of his legal career, Keith served as a law clerk to the justices of the New Hampshire Supreme Court.

While earning his JD, Keith served as the editor of the Boston University Law Review. In law school, Keith was an Edward F. Hennessey Distinguished Scholar and a Paul J. Liacos Distinguished Scholar.


New ESG Requirements for Banks that Hold Public Funds May Raise Challenging Compliance Issues

June 29, 2023 | Blog | By Keith Kollmeyer, Jacob Hupart, Ellen Shapiro

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Heightened Risk for Banks as Account Fees Land on “Junk Fee” Agenda

May 11, 2023 | Blog | By Keith Kollmeyer, Alyssa C. Scruggs, Caroline B. Enright

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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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Financial Services Co-chair Pete Michaels, Member Keith Kollmeyer, and Associate Alyssa Scruggs co-authored the Massachusetts Banking Brief for Law360.
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Members Keith Kollmeyer and Jacob Hupart and Associate Ellen Shapiro co-authored an article published by Law360 analyzing the implications of ESG mandates for banks.
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BOSTON – Mintz has hired Keith Kollmeyer, who has spent his career counseling some of the Nation’s largest financial institutions in litigation and advisory matters related to asset-backed securities (ABS) and other complex financial products.
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Recognition & Awards

  • Massachusetts Super Lawyers: Rising Star - Business Litigation (2023)
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