J Gregory Lahr

Partner

United States

Greg advises insurers on high-value coverage and commercial disputes, including general liability, professional indemnity, and financial institution and director and officer liability, providing representation in litigated matters and strategic advice on claims and policy drafting.
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About J Gregory

Biography
  • Biography

    Greg specialises in complex insurance coverage disputes, representing both domestic and London-based insurers in high-value litigation and advisory matters. His practice spans state and federal courts, appellate proceedings, and arbitration panels, often involving significant financial exposure and reputational risk.

    He advises insurers on a wide range of coverage issues, including general liability, professional indemnity, directors and officers liability, and product recall policies. He has broad experience handling coverage litigation and providing strategic advice across sectors such as construction, technology, financial institutions, brokerages, legal, product manufacturers, and aviation.

    In addition to litigation and arbitration, he offers pre-litigation advice, drafts policy wordings and endorsements, and assists insurers with risk analysis and coverage strategies in complicated and emerging claims. His clients include leading insurers in the United States, London, and Bermuda.

    Greg draws on extensive experience, strong legal knowledge and practical industry insight to help clients manage difficult claims and develop effective coverage and resolution strategies.

    Featured Experience

    • Represented London and domestic insurers in federal court coverage actions involving claims against financial lender under professional liability policies, including class actions alleging improper closing fees on second mortgage loans.
    • Provided coverage advice to professional liability insurers in claims related to design defects and delays in large-scale construction projects, such as oil refineries and airport expansions.
    • Represented general liability insurers in declaratory judgment actions involving claims for additional insured coverage arising from defective construction work and site accidents causing bodily injury or property damage.
    • Provided coverage advice to product recall insurers in claims involving defective consumer products, including contaminated food items like yogurt bars and sausage patties and defective automotive parts.
    • Advised directors and officers liability insurers in claims involving corporate governance issues, such as improper bankruptcy filings and disputes over employment contracts.
    • Represented professional liability insurers in coverage actions related to design defects, including claims from architecture firms for alleged defective building designs.
    • Advised casualty insurers on high-value automobile accident claims involving significant injuries.
Sector expertise
  • Insurance

Service expertise
  • Professional Liability

  • D&O and Financial Institutions

  • International and Complex Casualty

  • Product Liability, Safety and Recall

  • Employment Practices Liability

United States

  • 55 Broadway
  • Suite 1602
  • New York, NY 10006

+1 212-513-1075