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Catherine S. Lombardo


[email protected]



Catherine’s practice encompasses a wide variety of complex commercial litigation, including securities litigation, contract disputes, and government investigations. She represents a broad range of clients across diverse industries in all stages of litigation, from discovery to appeal, and sits on the steering committee for the Boston Bar Association’s Business & Commercial Law section.

She is an active member of Mintz's Appellate Practice Group, where she regularly advises clients on all aspects of appellate strategy. She works collaboratively alongside trial counsel to preserve critical issues for appeal and to secure victories for clients in federal and state appellate courts throughout the United States. Her significant experience clerking in Massachusetts and familiarity with the appellate rules and single justice procedure make her an asset to any case proceeding in the Commonwealth. She is a contributing author for MCLE New England’s Appellate Practice in Massachusetts and has been included on Boston Magazine’s Top Lawyers list in the Appellate practice specialty group.

In addition, Catherine maintains an active pro bono practice and has provided legal assistance to survivors of domestic violence, tenants navigating eviction proceedings, and persons seeking to seal or expunge their criminal records. Community Legal Aid and the Massachusetts Supreme Judicial Court have recognized Catherine for her significant pro bono work and included her on their pro bono honor rolls.

Before joining Mintz, she served as a law clerk to the Honorable Elspeth B. Cypher, Associate Justice of the Supreme Judicial Court of Massachusetts, the Honorable Eric Neyman, Associate Justice of the Massachusetts Appeals Court, and the justices of the Massachusetts Superior Court.

During law school, Catherine was a law clerk for Liberty Mutual Insurance Company’s in-house counsel, a judicial intern for the now-retired Honorable Bonnie H. MacLeod of the Massachusetts Superior Court, and a law clerk for the Massachusetts Division of Administrative Law Appeals. Catherine also served as the executive articles editor of the New England Law Review and received the New England Scholar Award every semester.


  • Provided strategic guidance, research, and drafting for a case successfully argued before the Massachusetts Supreme Judicial Court presenting an issue of statutory first impression and constitutional dimensional concerning the interpretation of G. L. c. 123, § 12, which raised the question how long a patient in psychiatric distress may be cared for in an emergency department while waiting for a bed in an appropriate in-patient psychiatric facility.
  • Represented a national automotive parts retailer in a Securities Class Action in the District of Delaware and successfully obtained dismissal of a related derivative action against its board of directors and certain senior executives.
  • Represented a manufacturer of electronics in defending against Section 220 actions related to the company’s take-private merger, as well as a parallel appraisal action.
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News & Press

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BOSTON –  Twenty-five Mintz attorneys have been named to Boston Magazine’s Top Lawyers list.

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Mintz is pleased to announce that 120 firm attorneys have been recognized as leaders by Best Lawyers® in the 2024 edition of The Best Lawyers in America©.

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In its second annual edition, 28 Mintz attorneys were named to Boston Magazine’s Top Lawyers list.

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  • Contributing Author, Massachusetts Expert Witnesses (3rd ed.), MCLE|New England, (March 2018)
  • Contributing Author, Appellate Practice in Massachusetts, (4th ed.), MCLE|New England, (2021)
  • Co-author, Negotiating in the Workplace, with Advice from Renowned Women Attorneys, American Bar Association – Section on Litigation, (November 2017)
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Recognition & Awards

  • Best Lawyers in America "Ones to Watch": Appellate Practice, Commercial Litigation (2024)

  • Boston Magazine Top Lawyers – Appellate (2021 - 2023)

  • Massachusetts Supreme Judicial Court – Pro Bono Honor Roll (2020 - 2021)

  • Community Legal Aid – Pro Bono Honor Roll (2021)

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  • Business and Commercial Litigation Section Steering Committee, Boston Bar Association
  • Chair, Massachusetts Supreme Judicial Court Law Clerk Society
  • Member, Former Chair, Massachusetts Appeals Court Law Clerk Society
  • Lafayette College, Greater Boston Alumni Chapter
  • Guest Lecturer on Legal Research and Writing, New England Law | Boston
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