About Todd J. Leon

As Co-Chair of the firm’s Insurance Services Practice Group, Todd leads the group’s efforts throughout the Northeast, guiding strategy, as well as handling and overseeing matters involving insurance coverage, extra-contractual exposure, and bad faith litigation. In his role, Todd also drives key initiatives, supports practice development, and ensures the group delivers comprehensive, results-driven representation to insurers facing complex coverage disputes and high stakes bad faith claims. With nearly three decades of extensive experience, Todd has litigated a wide variety of claims at the trial and appellate levels of both the state and federal courts. Admitted to practice in both Pennsylvania and New Jersey, he splits his time between our Philadelphia and Mount Laurel offices.

Todd is particularly experienced in managing cases that involve sophisticated 'risk shifting' issues, including both additional insurance coverage and contractual indemnification. He has worked on a wide array of insurance coverage matters, spanning a broad base of first- and third-party claims and policy types. Todd has counseled insurers, third-party administrators and self-insureds throughout the life cycle of a matter, from the drafting of policy language to pre-suit investigation to the drafting of coverage opinions to litigating matters through the trial and appellate courts.

Todd lives with his wife, two children and pug in Bucks County, PA. In his spare time, he is an avid fan of Philadelphia's professional sports teams and Rutgers basketball and football, and he plays in a modified fast-pitch, wood bat softball league. Todd is active in his synagogue, Shir Ami in Bucks County, and is a former member of its Board of Directors.

Honors & awards

New Jersey Law Journal's New Leaders of the Bar
2013

New Jersey Super Lawyers Rising Stars
2009-2013

The Super Lawyers list is issued by Thomson Reuters. A description of the selection methodology can be found here . No aspect of this advertisement has been approved by the Supreme Court of New Jersey.

Year joined

2020

Results

Summary judgment for insurer in UIM recovery case.

Insurance Services - Coverage & Bad Faith Litigation
December 2, 2022

We prevailed on a motion for summary judgment with respect to the applicability of a UIM “step down” clause. Following an accident with an underinsured tortfeasor, the underlying plaintiff sought UIM recovery under three policies, including one issued by our client with limits of $500,000. The defense successfully argued that our client’s UIM limits of $500,000 “stepped down” to the $100,000 UIM limits of the plaintiff’s own policy, pursuant to our client’s policy language. The Superior Court of New Jersey, Morris County, granted our motion.

Thought Leadership

State of Insurance: Q4 Notes from Pennsylvania

Philadelphia - Headquarters
Mount Laurel
Insurance Services - Coverage & Bad Faith Litigation
January 28, 2026

On the Pulse...Navigating the Complexities of Cannabis Litigation: Marshall Dennehey’s Multidisciplinary Approach to a Rapidly Evolving Industry

Mount Laurel
Philadelphia - Headquarters
Cannabis Law
December 1, 2025
Cannabis litigation is on the rise and impacts multiple facets of law.

State of Insurance: Q3 Notes from Pennsylvania

Philadelphia - Headquarters
Mount Laurel
Insurance Services - Coverage & Bad Faith Litigation
October 31, 2025

Choice of Law in Coverage Disputes: What Happens When the Policy, the Loss, and the Parties Span State Lines?

Philadelphia - Headquarters
Insurance Services - Coverage & Bad Faith Litigation
August 19, 2025

Supreme Court of New Jersey Rules That Insurers Do Not Have a Duty to Defend or Indemnify for ‘Laidlow’ Claims-as Long as the Policy Includes the Correct Exclusionary Language

Mount Laurel
Insurance Services - Coverage & Bad Faith Litigation
Workers' Compensation
April 7, 2025

Classes/Seminars Taught

DeMarco v. Stoddard - A Behind the Scenes Look at the Decision by the Supreme Court of New Jersey on Fraud in the Application for a Medical Malpractice Insurance Policy, National Academy of Continuing Legal Education, April 2016

Shifting the Risk: Tips and Tools for Transferring Liabilities Via Indemnification Agreements and Insurance Procurement Obligations of Indemnitors, New Jersey Law Journal In-House CLE Seminar, November 2012

 

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Services

Areas of Law

  • Other 2
    • Insurance Services - Coverage & Bad Faith Litigation
    • Cannabis Law

Practice Details

  • Firm Information
    Position
    Shareholder
    Firm Name
    Marshall Dennehey
  • Representative Cases & Transactions
    Cases
    Representative Matters: Successfully represented a state-created medical malpractice insurer in a matter involving fraud in the application for an insurance policy, successfully arguing before the state Supreme Court for the remedy of voiding the policy
    reforming the policy limits to $0.
    Extensive experience representing insurers on numerous risk-shifting claims for contractual indemnification
    additional insurance coverage, including in matters stemming from worksite accidents, construction defects, slip-
    -falls, product liability
    vendor claims,
    a range of other factual scenarios.
    Represented an insurance industry group as amicus curiae in a matter requiring interpretation of the prospective or retroactive application of a statutory amendment.
    Defended insurers in a broad array of cases involving insurance coverage issues arising from construction defect claims arising out of residential
    commercial projects.
    Represented insurers in a variety of insurance coverage claims under automobile liability policies, including for permissive use, loading
    unloading,
    uninsured
    underinsured motorists coverage.
    Defended insurers
    their third-party administrators against insurance coverage claims stemming from employment practices, liability, education
    l
    use claims.
    Published Works: 'State of Insurance: Q4 Notes From Pennsylvania,' Law360, January 27, 2026
    'State Of Insurance: Q3 Notes From Pennsylvania,' Law360, October 30, 2025
    'Choice of Law in Coverage Disputes: What Happens When the Policy, the Loss
    the Parties Span State Lines?' The Legal Intelligencer's Insurance Law Supplement, August 19, 2025
    'Supreme Court of New Jersey Rules That Insurers Do Not Have a Duty to Defend or Indemnify for 'Laidlow' Claims-as Long as the Policy Includes the Correct Exclusionary Language,' New Jersey Law Journal, April 7, 2025
    'NJ Justices Clarify First-Party Indemnification Availability,' Law360, June 27, 2024
    'In Twin Decisions on Insurance Coverage for COVID-19 Closure Claims, Superior Court of Pennsylvania Makes Clear that Policy Language Matters,' Defense Digest, Vol. 28, No. 12, December 2022
    Contributing Author, Defense Research Institute Insurance Law Committee's Coverage B: Personal
    Advertising Injury Compendium, 'Chapter 14: Advertisement Offenses - Use of Another's Advertising Idea in Your Advertisement' (definition f.)
  • Additional Links

Experience

  • Bar Admission & Memberships
    Admissions
    1998, New Jersey
    1998, Pennsylvania
    1998, U.S. District Court of New Jersey
    2001, U.S. Court of Appeals 3rd Circuit
    2011, U.S. District Court Eastern District of Pennsylvania
    2016, U.S. Supreme Court
    Memberships
    Claims & Litigation Management Alliance
    Defense Research Institute
    New Jersey Defense Association.
  • Education & Certifications
    Law School
    Rutgers Law School
    Class of 1998
    J.D.
    Other Education
    Rutgers, The State University of New Jersey
    Class of 1995
    B.A.
  • Personal Details & History
    Age
    Born in 1973
    Philadelphia, Pennsylvania, September 3, 1973

Activity

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Attorneys FAQs

  • What law school did this attorney attend?
    Todd J. Leon attended Rutgers Law School.
  • What year was this attorney's law firm established?
    Marshall Dennehey was established in 1962.