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Gregory T. LoCasale Partner

Philadelphia, PA | Direct 215.864.6364Fax 215.789.7665
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Greg has counseled major third-party liability and first-party property carriers on insurance matters for more than 25 years. Whether advising clients on the investigation and handling of claims, developing and implementing litigation strategy, or negotiating the resolution of claims, Greg’s experience, knowledge of insurance law and understanding of his clients’ business allows him to skillfully and efficiently address matters of the greatest concern to his clients.

Through litigation, mediation and negotiation, Greg assists multiple insurance companies with claims arising out the COVID-19 pandemic and, through litigation, mediation and negotiation, has favorably resolved dozens of coverage disputes arising out of environmental, asbestos, toxic tort and other long term exposure claims involving hundreds of millions of dollars of policy limits. In negotiations, Greg offers creative solutions for addressing difficult issues presented by settlement and coverage-in-place agreements.

Greg has litigated a wide array of complex insurance issues in declaratory judgment and breach of contract actions in state and federal courts throughout the country and in mass tort bankruptcies, including allocation, regulatory issues concerning the enforceability of policy exclusions, deductibles and self-insured retentions, the availability of insurance and the interpretation and application of policy terms and conditions.

In addition to frequently advising clients on specific claim matters, Greg conducts training sessions for clients and presents seminars on important insurance issues in more formal settings such as the firm’s annual Coverage College event.

Prior to joining White and Williams LLP, Greg practiced law in New York where he represented insurance companies in coverage and reinsurance matters.

Representative Matters

  • Obtained a jury verdict in favor of multiple insurers, defeating a policyholder’s novel efforts to invalidate asbestos exclusions contained in insurance policies on the ground that they had not been submitted to the Pennsylvania Department of Insurance for approval prior to use and, therefore, were unenforceable
  • Successfully argued before Superior Court of Pennsylvania, in a case of first impression in Pennsylvania, to defeat a policyholder appeal concerning the effect and application of a 30-day policy extension
  • Successfully negotiated a complex agreement under primary, umbrella and excess policies spanning a 49 year period, involving the settlement of past costs and a coverage-in-place agreement for future costs incurred in connection with various types of chemical exposure claims

Recognition & Involvement

Greg has been selected annually by his peers since 2018 for inclusion in The Best Lawyers in America list in the practice area of Insurance Law.

Greg also devotes a significant amount time to pro bono activities. He started and now coordinates a pro bono partnership with the SeniorLAW Center and one of the firm’s largest institutional clients to conduct clinics where lawyers draft wills, powers of attorney and other life planning documents for seniors. Greg also has served on the SeniorLAW Center board of directors.



Bar and Court Admissions


New York

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 Southern District of New York


Villanova University Law School, JD, 1988 

College of William and Mary, BBA, 1985

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