J.P. Jaillet

Co-Chair - Litigation

J.P. Jaillet, co-chair of the Litigation Department, focuses on financial litigation. J.P. represents insurers, reinsurers, lenders, and secured creditors in court and arbitration.

In addition to his practice, J.P. serves as Choate’s Hiring Partner, where he helps lead firm-wide attorney recruitment.


  • Chambers USA (2020-2024)
  • Massachusetts Super Lawyers
  • The Legal 500: Next Generation Partner (2020-2023)
  • The Legal 500: Leading Lawyer (2024)

Representative Engagements

Insurance and Reinsurance

  • Advise reinsurers concerning COVID-19 coverage issues in connection with property, liability, and workers’ compensation losses.
  • Trial counsel for reinsurers concerning large property claims and aggregation issues, including with respect to ice dam, wildfire, and storm losses.
  • Advised life insurers and reinsurers concerning variable annuity disputes.
  • Trial counsel for leading reinsurer in $75 million arbitration concerning treaty underwriting issues.
  • Obtained $100 million recovery in catastrophe bond dispute.


  • Represented secured lenders as litigation counsel in various Chapter 11 cases.
  • Trial counsel for secured lender in contested debtor-in-possession proceedings in Tuesday Morning bankruptcy.
  • Represent major technology company in connection with alleged $40 million fraudulent transfer.
  • Obtained summary judgment for investor in lawsuit alleging $25M million investment fraud and breach of fiduciary duty.

Publications and Presentations

  • “Post-Pandemic COVID Losses,” moderator, ARIAS Re/insurance Seminar, March 2023
  • “An Update on Complex and Emerging Risks: Revivor Claims, Opioids and PFAS,” panelist, ARIAS-US Spring Conference, May 2021
  • “Opioid Coverage Issues:  A Primer,” panelist, Boston, MA, February 2018
  • “After the Final Award: When is it permissible and appropriate for panels to retain jurisdiction?,” ARIAS webinar
  • "Reinsurance Risk," speaker, American Bar Association – Insurance Litigation Conference
  • "Reinsurance Primer," speaker, Boston Bar Association
  • "Deflategate, Reinsurance and Arbitrator Bias," author, Employment Law360
  • "Ex Parte Communication in Reinsurance Arbitrations: Impact of Recent Cases," speaker, ARIAS Arbitrator Workshop
  • “The Ins and Outs of Cyber-insurance,” speaker, Boston Bar Association seminar

Professional and Community Involvement

  • Former Chair of the Insurance & Reinsurance Group

Education & Credentials

University of Virginia School of Law
JD, 2000
University of Notre Dame
BA, 1997, magna cum laude



J.P.'s Insights