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Peter J. Mooney Partner

Philadelphia, PA | Direct 215.864.7164Fax 215.789.7664
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Peter Mooney joined the firm in 1982 and has more than 30 years experience in litigating a wide range of business disputes. He has handled disputes involving contracts, insurance coverage, shareholders disputes, accounting and legal malpractice, securities and construction. Peter also has extensive experience representing clients in disputes involving intellectual property, including trademark infringement and trade secrets. He has tried more than 50 commercial cases before juries, judges and arbitrators. Peter has also argued appeals in Pennsylvania and New Jersey state courts and the Third and Ninth Circuit Courts of Appeals.

Peter brings his finance background and broad experience to bear in analyzing complex disputes and advising clients how to best resolve them, whether by trial, arbitration or negotiation.

Peter graduated third in his class of 234 from Temple University School of Law and served as a Note/Comment Editor of the Temple Law Review.

Representative Matters

  • Obtained $2.9 million judgment in a London arbitration for a local biotechnology firm against a French equipment manufacturer for breach of a licensing agreement
  • Obtained awards of $1.1 million and $900,000 after five-day and nine-day AAA arbitrations involving ERISA and defamation claims on behalf of corporate executives
  • Defended a banking institution against trademark infringement and common law claims in a federal trial, and obtained a defense verdict
  • Represents fruit supplier in claim alleging product was contaminated with listeria

  • Recovered $500,000 for retired executive in a stock option dispute
  • Obtained $1.2 million jury verdict in seven-day commercial lease trial as co-counsel with a retired White and Williams partner
  • Obtained summary judgment for municipal risk pooling trust on $1 million coverage claim by law firm involving novel “other insurance” issues
  • Represents fruit supplier in claim alleging contamination of fruit product with foreign matter

  • Recovered $500,000 for client for breach of product development contract
  • Obtained $750,000 award for a local cardiology practice against a provider of physician management services for breach of contract
  • Successfully prosecuted numerous customer claims against brokerage houses on theories of churning, unsuitability and unauthorized trading
  • Successfully defended a pharmacy franchisee against claims by the national franchisor after the franchise became unprofitable and the franchisee cancelled the agreement
  • Recovered $650,000 from a national software company for breach of its contract for commissions with a local software distributor
  • Obtained defense verdict in case alleging husband’s interference with wife’s ownership interest in life insurance policy
  • Recovered $400,000 for hair products manufacturer against seller of assets for breach of sale agreement representations and warranties
  • Obtained plaintiff’s verdict in construction case involving rehabilitation of New Jersey lighthouse
  • Successfully prosecuted numerous cases against former employees for breach of non-compete and confidentiality agreements
  • Recovered $800,000 in attorneys' fees and costs for hotel owner following successful liability jury verdict
  • Represented majority and minority shareholders in numerous cases involving oppression and stock valuation disputes
  • Obtained summary judgment in two legal malpractice cases involving claims of more than $1 million each

Recognition & Involvement

Since 2009, Peter has been selected in a survey of his peers as a Pennsylvania "Super Lawyer" by Super Lawyers. He has also been AV® rated by the Martindale-Hubbell peer review rating system.

Peter serves as a Judge Pro Tem for the Philadelphia Court of Common Pleas. He has volunteered for 30 years with the Support Center for Child Advocates and received the organization's "Outstanding Advocate" Award in 2007. He has also served as a volunteer for many years with the Legal Clinic for the Disabled. Peter was appointed to the First Judicial District Pro Bono Honor Roll in 2006 through 2011.



Bar and Court Admissions


Supreme Court of Pennsylvania

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

Pro hac vice admissions in state and federal courts around the country


Temple University School of Law, JD, magna cum laude, 1982

University of Pennsylvania Wharton School, BS, 1979


American Arbitration Association Commercial Panel

Philadelphia Stock Exchange Arbitration Panel

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