J.P. Jaillet, Head of Choate’s Insurance & Reinsurance Group, focuses on financial litigation and coverage disputes. J.P. represents insurers, reinsurers, lenders, and secured creditors in court and arbitration. In addition, J.P. serves as Co-General Counsel of the Firm. Recognition The Legal 500 “Boston Elite, Litigation & Investigations – Commercial Disputes” (2026) The Legal 500 “Boston Elite, Commercial Litigation” (2025) Chambers USA (2020-2026) Massachusetts Super Lawyers The Legal 500: Next Generation Partner (2020-2023) The Legal 500: Leading Lawyer (2024-2025) Boston Magazine Top Lawyer (2024) Honors Recipient, Massachusetts Supreme Judicial Court Pro Bono Honor Roll (2023) Representative Engagements Reinsurance Litigation counsel in more than 150 reinsurance arbitrations. Trial counsel in more than 25 reinsurance arbitrations that have gone to evidentiary hearing. Represented cedent in adverse development cover reinsurance dispute resulting in settlement payment exceeding $1 billion. Managed various life reinsurance disputes, including with respect to annuity programs, YRT rate increases, and underwriting intent. Trial counsel for reinsurers concerning large property claims and aggregation issues, including with respect to ice dam, wildfire, and storm losses. Represented cedents in connection with large mass tort billings. Litigation counsel for U.S. cedent that successfully recovered over $100M from Asian reinsurer. Trial counsel for leading reinsurer in $75 million arbitration concerning treaty underwriting issues. Represented cedents in connection with disputes over access to collateral and reinsurance trusts. Obtained $100 million recovery in catastrophe bond dispute. Finance and Bankruptcy Litigation Litigation counsel to DIP lenders in various Chapter 11 cases, including the Rite Aid bankruptcies. Represented insurer in bankruptcy proceedings where debtor alleges bad faith liability in excess of $10 billion. Trial counsel for secured lender in contested debtor-in-possession proceedings. Represented insurer in $1 billion bankruptcy adversary proceeding. Trial counsel for major technology company in connection with alleged $40 million fraudulent transfer. Successfully defended senior secured bank syndicate from lender liability claims. Obtained summary judgment for investor in lawsuit alleging $25M million investment fraud and breach of fiduciary duty. Successfully defended lender from claims alleging breach of restructuring support agreement. Publications and Presentations Co-Chair, ARIAS National Conference, November 2026 “Cross-Border Issues,” ARIAS Seminar, March 2025 “Post-Pandemic COVID Losses,” moderator, ARIAS Re/insurance Seminar “An Update on Complex and Emerging Risks: Revivor Claims, Opioids and PFAS,” panelist, ARIAS-US Spring Conference “Opioid Coverage Issues: A Primer,” panelist, Boston, MA “After the Final Award: When is it permissible and appropriate for panels to retain jurisdiction?,” panelist, 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 Professional & Community Involvement Boston Bar Association, Annual Benefit, Steering Committee, 2026 Pro Bono Honor Roll, Massachusetts Supreme Judicial Court, 2023 Retired Coach, Andover Little League, Andover Softball and Andover Youth Soccer Education & Credentials University of Virginia School of Law, JD (2000) University of Notre Dame, BA (1997) magna cum laude Admissions Massachusetts