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Additional Experience Overviews for Justin E. Proper


Justin E. Proper Partner

Philadelphia, PA | Direct 215.864.7165Fax 215.399.9620
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Justin Proper has been trying cases for over 15 years in five different states. His practice includes all aspects of complex commercial litigation having handled cases involving allegations of product defects, lender liability, patent and trademark infringement, unfair competition, false advertising, mortgage fraud, RICO violations, professional malpractice, securities fraud, defamation, breach of warranty and breach of contract, including government contracts.

Justin has been lead counsel in more than 25 cases that have gone to verdict and he has won over 95% of those cases on behalf of both plaintiffs and defendants. In one four month period,  Justin was lead counsel in three complex commercial litigation matters which resulted in jury verdicts for his clients totaling $4.275 million, two of which included awards of punitive damages. Justin recently defended a case involving products allegations against a major automotive manufacturer and obtained a complete defense verdict after a six-day jury trial. He also recently obtained a preliminary injunction in Georgia state court shutting down a business for violating the terms of a non-competition agreement.

Justin handles all of his cases with passion and energy. He believes that success in litigation comes before you walk into the courtroom. Justin understands what it takes to handle a case properly from start to finish having successfully arbitrated and tried hundreds of cases. He prides himself on being accessible to his clients; in giving his clients sound advice; and in working tirelessly to achieve his clients’ objectives. Justin understands that litigation is incredibly stressful for clients. He strives to provide clients with confidence and peace of mind in knowing that he has their best interests in mind at all times and that their case is being handled properly.            

Representative Matters

  • Representing electric motor manufacturer in products liability case where a factory worker allegedly lost two fingers when an injection molding machine allegedly malfunctioned
  • Representing major automotive manufacturer where the plaintiff alleged serious bodily injury as a result of an alleged product defect
  • Defended FINRA arbitration where client was accused of failing to repay the terms of a promissory note; counterclaimed against the employer for alleged misrepresentations in connection with her hiring
  • Representing court appointed receiver in an action to recover monies on behalf of investors who were victims of a Ponzi scheme
  • Representing three directors who served on the board for an association for allegedly breaching fiduciary duties when the executive director misappropriated over a million dollars that was being held in trust for its members
  • Represented home health care company against allegations of trademark infringement with the case settling for a walk away after the close of expert discovery
  • Obtained complete defense verdict following a six-day jury trial in Pittsburgh on behalf of major automotive manufacturer in a case involving products allegations
  • Obtained a preliminary injunction in Georgia shutting down a competing business for violating the terms of a non-competition agreement
  • Obtained a $2.56 million compensatory and punitive damages award after a two-plus week jury trial on behalf of a Philadelphia-based food manufacturer in a case involving claims for false advertising and unfair competition
  • Obtained a $660,000 verdict after a two-week jury trial involving a dispute over the ownership of a brand
  • Obtained a $1.06 million verdict after a three-plus week jury trial on behalf on an individual and his businesses that was defamed by a former customer
  • Obtained a complete defense verdict in a case involving allegations of breach of contract and fraud against a construction company
  • Defeated a motion for a preliminary injunction in federal court which sought to declare that the client was selling an infringing product, finding instead that the product did not infringe the patent in suit and that the Plaintiff failed to prove either a likelihood of success on the merits or irreparable harm
  • Obtained $500,000 settlement for client who received negligent estate planning advice that resulted in exposure to additional estate taxes
  • Obtained two multimillion-dollar settlements for banking clients that purchased fraudulent loans
  • Obtained substantial settlement on behalf of an individual against a trustee who breached certain fiduciary duties in connection with the administration of an estate


Bar and Court Admissions





New York

West Virginia


Albany Law School, JD, magna cum laude, 1999

Siena College, BA, 1996

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