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Lynndon K. Groff Associate

Philadelphia, PA | Direct 215.864.7033Fax 215.789.7515
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Lynndon Groff represents major insurers in complex coverage, bad faith, and insurance contract disputes. His practice encompasses a variety of insurance claims, including matters involving environmental pollution and long-term exposure to hazardous substances, personal injury and property damage in numerous states. He regularly deals with issues such as trigger of coverage, application of policy exclusions, timely notice, duty to defend, allocation of coverage among multiple insurers and between covered and non-covered damages and choice-of-law.

Lynndon, who has handled both first- and third-party cases since he graduated law school, has a broad range of insurance experience. Before joining White and Williams, he litigated several high-exposure environmental liability matters with a top international law firm in New York. He has also represented policyholders in numerous underlying liability cases involving disputes ranging from construction defects to motor vehicle accidents. He has dealt with all aspects of insurance litigation, from pre-suit analyses to appellate arguments and everything in between.

Lynndon graduated magna cum laude from Boston College Law School, where he was a moot court semi-finalist and served as an Articles Editor on the Boston College Law Review. When not handling insurance matters, Lynndon assists homeowners, pro bono, in obtaining clear title to their properties through the Philadelphia VIP “Tangled Title” program.

Representative Matters

  • Represented major insurer in coverage litigation in New York state court involving significant environmental liabilities at several manufactured gas plant sites throughout Brooklyn and Long Island, which has resulted in favorable rulings with respect to issues of first impression under New York law
  • Defending commercial general liability insurer in Mississippi state court against complex environmental coverage claims in connection with historical electrical transformer-manufacturing operations
  • Obtained summary judgment in New Jersey state court denying defense and indemnity coverage for construction defect claims on basis of enumerated policy classifications
  • Evaluated coverage for claims brought under dozens of complex policies and drafted related denial and reservation of rights letters on insurers’ behalf



Bar and Court Admissions

New Jersey

New York



U.S. District Court for the District of New Jersey

U.S. District Court for the Eastern District of New York

U.S. District Court for the Eastern District of Pennsylvania

U.S. District Court for the Eastern District of Texas

U.S. District Court for the Middle District of Pennsylvania

U.S. District Court for the Southern District of New York

U.S. District Court for the Southern District of Texas

U.S. District Court for the Northern District of Texas


Boston College Law School, JD, magna cum laude, 2014

University of Pennsylvania, BA, magna cum laude, 2011


American Bar Association

Philadelphia Bar Association

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