Stephanie C. Chomentowski


Stephanie Chomentowski’s litigation practice is focused on advising her clients on a wide variety of issues and advocating for them in complex business disputes, commercial litigation, intellectual property issues, defense of personal injury cases, and white collar criminal defense matters. She has represented clients in a number of industries, including automotive, energy, and manufacturing. 

Stephanie is experienced with all aspects of litigation and has successfully tried a number of cases in state and federal court. She has conducted internal investigations and represented clients in relation to ongoing federal grand jury investigations.

Stephanie interned with the Honorable Jacob P. Hart, U.S. Magistrate Judge for the Eastern District of Pennsylvania and the Environmental, Health, and Safety legal department at Tyco International. At law school, she took first place in the 2005 I. Herman Stern Moot Court Competition, was Vice President of the Temple Moot Court Honor Society, was a staff member on the Temple International and Comparative Law Journal, and was awarded a scholarship for all three years.

Stephanie holds a civil engineering degree from the Pennsylvania State University. Before her law career, Stephanie managed construction projects for McKinstry Company, a nationwide mechanical engineering and construction firm. She also was a geotechnical and environmental sampling engineer for Advanced GeoServices Corporation, where, among other things, she collected contaminated soil, water, and other samples at regional Superfund sites and assessed foundations for new construction.

Outside the Firm

Stephanie enjoys spending time with her two young boys and vigorously cheering for them at all of their sporting events.


  • A propane distributor, in defense of personal injury claims.
  • An industrial/manufacturing company, in connection with a failed boiler installation at its production facility.
  • An after-market automotive parts manufacturer, in defense of intellectual property claims.
  • A developer of solar panel systems, in construction litigation claims on two installation projects.
  • Represented a factoring company in prosecuting a number of lawsuits in relation to contract and guaranty disputes.
  • An individual options trader, in employment dispute with hedge fund; won $1.6 million FINRA arbitration award, plus punitive damages and attorneys’ fees.
  • A finance company in the energy and power sector, in an action to enforce terms of a $25 million financing.
  • An electrical contractor, in defense of claims that its installation of conduit and electrical equipment caused the loss of millions of dollars of flu vaccine.
  • A global medical device manufacturer, in a number of complex civil and criminal matters, including off-label promotion, anti-kickback and other criminal conduct, and sensitive employment matters.
  • An electrical contractor, in an international arbitration against a defense contractor for contract claims relating to a government construction and services contract.
  • Represented an individual in complex tax promoter grand jury investigation.
  • Several representations of individuals in connection with maintaining undisclosed offshore bank accounts.
  • A global developer of sales and marketing software for the pharmaceutical industry, in an international arbitration for breach of contract.
  • A local hotel and restaurant, in defeating personal injury claims of an individual who claimed to have been served alcohol at the establishment.
  • An individual investor, for claims of fraud, conversion, and conspiracy based upon misrepresentations and theft of investment monies by individuals and lenders.
  • Represented clients in appellate efforts to the United States Supreme Court, the Pennsylvania Supreme Court, and the Court of Appeals for the Third Circuit.

News & Views

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  • 2018–2022, Pennsylvania “Super Lawyer” in Business Litigation, listed in Super Lawyers
  • 2010–2011, 2013–2016, Pennsylvania “Rising Star,” listed in Super Lawyers



  • Philadelphia Bar Association
  • Pennsylvania Bar Association
Professional Activities

Stephanie has served as a Director for the Board of the Chestnut Hill Community Association and has served as a member of a number of its committees. She also handles a number of pro bono cases each year and was named to the First Judicial District of Pennsylvania Pro Bono Honor Roll in 2007, 2014, and 2015 for her work at the SeniorLAW Center.



  • Pennsylvania
  • New Jersey
  • United States Court of Appeals for the Third Circuit
  • U.S. District Court - Eastern District of Pennsylvania
  • U.S. District Court - New Jersey
  • U.S. District Court - Eastern District of Michigan
  • U.S. District Court - Middle District of Pennsylvania


  • Pennsylvania State University, BS
  • Temple University Beasley School of Law, JD
  • French