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Celestine M. Montague Partner

Philadelphia, PA | Direct 215.864.6813Fax 215.789.7508
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Celestine Montague has a broad range of experience in complex insurance coverage and commercial litigation. She manages complex, multimillion-dollar cases through all facets of litigation, from pre-trial strategy through post-trial relief. Celestine’s approach to litigation focuses on early identification of the most cost-effective method of resolution that suits her client’s interests.

She represents property and casualty and professional liability insurance companies in state and federal courts nationwide, as well as in various alternative dispute resolution forums, including private arbitrations and mediations.

Celestine has handled insurance coverage and bad faith litigation involving complex and emerging issues pertinent to various types of coverage, including advertising injury/intellectual property; cyber, media, and technology; directors and officers; professional liability; environmental liability; public officials and law enforcement; employment practices; sexual misconduct; garage keepers liability; and fidelity bonds. She also has represented clients in litigation involving business and commercial disputes, including contractual indemnification, breach of contract and shareholder derivative actions.

Representative Matters

  • Negotiated coverage disputes among multiple carriers, policyholders, brokers and claimants, involving various issues, including indemnification provisions, additional insured agreements, and competing other insurance provisions
  • Represented carriers in litigation involving claims-made and reported issues, underwriting history, the formation and reformation of contracts, changes in coverage positions, asset purchase agreements, reinsurance agreements, claims servicing agreements, professional services exclusions, interrelated wrongful acts provisions and prior act exclusions
  • Represented insurers at the coverage review stage vis-à-vis the potential for coverage under multiple coverage part policies, providing coverage opinions, recommendations, and coverage position letters
  • Reviewed the potential for coverage under policies issued to individuals, businesses, housing associations, religious and cultural organizations, tribal entities, governmental units, and political subdivisions
  • Advised and represented clients on the scope of an insurer’s duty to advance; an insurer’s right to reimbursement; the allocation of defense costs among insurers and policyholders; the effect of exhaustion provisions, deductibles, and self-insured retentions; an insurer’s rights and obligations to intervene in underlying actions in order to interject special verdict forms and/or special interrogatories; and the need to consider bonding/surety issues


Bar and Court Admissions


New Jersey

U.S. Court of Appeals for the Third Circuit

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

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


Temple University Beasley School of Law, JD, 1994

University of Pennsylvania, MA, 1992

Dickinson College, BA, summa cum laude, 1990


Claims & Litigation Management Alliance

The Philadelphia Loss Conference

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