Jeffrey E. Tenthoff, Esq.

p. 215.853.6202  |  f. 215.735.1133

Bar Admissions

New Jersey
United States District Court for the Eastern District of Pennsylvania
United States District Court for the Middle District of Pennsylvania


New York University, B.A.
Temple University, James E. Beasley School of Law, J.D.


Jeffrey E. Tenthoff, a partner of the firm, is a seasoned defense attorney and has successfully obtained dozens of defense jury verdicts in a variety of cases, including general negligence, premises liability, and motor vehicle accident cases in Philadelphia and the surrounding counties.  He has also obtained dozens of defense awards at arbitration in Philadelphia, Montgomery, Delaware, and Chester Counties.  Over the course of his practice, Jeff has handled hundreds of cases spanning the gamut of premises liability, dog-bite, motor vehicle accident, employment law, wrongful death, and survival actions. Jeff also regularly serves as an arbitrator for the Philadelphia Court of Common Pleas. 

In addition to his defense work, Jeff also regularly handles cases for victims of accidents who suffered serious personal injuries, along with individuals who have had their civil rights violated or their employment wrongfully terminated with the average recovery being well into the six figures.

Jeff received his Bachelor’s Degree in Philosophy from New York University in New York, NY. As an undergraduate, he studied abroad in Paris and traveled extensively throughout the Middle East and Europe.  He worked for several years for an internet start-up company and then volunteered with the United States Peace Corps in the West African nation of Guinea before returning to school to earn his Juris Doctor from Temple University School of Law.  While in law school, Jeff was a driving force in the founding of US for Africa, a Temple Law School organization focused on promoting sound U.S. involvement and aid throughout Africa that would encourage African transparency, democracy, and self-determination. Jeff was also an A.C.E. Counselor for underclassmen, a Legal Research & Writing Teaching Assistant, and a representative to the Student Bar Association. Jeff graduated cum laude and was the recipient of the Jerry Zaslow Award for outstanding academic achievement and well-rounded activity within the law school community. 

Jeff was named a Rising Star by Super Lawyers. A Super Lawyers selection is an honor reserved for those attorneys who exhibit excellence in practice. 

Jeff currently resides in Delaware County with his wife and four young children.

Representative Matters

GMR Wins Rear-End Full Collision Jury Trial in Chester County, PA on Limited Tort Threshold

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Another Jury Trial Victory for GMR Partner Jeff Tenthoff

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GMR Wins Pennsylvania Federal UIM Trial Involving Cervical Surgery

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GMR Wins Back-to-Back Auto Trials

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Jeffrey Tenthoff Wins Motor Vehicle Accident Summary Judgment Motion in Bergen County, NJ

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Jeffrey Tenthoff Wins on Liability Where Three Witnesses Supported Plaintiff

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Jeffrey Tenthoff Obtains Defense Award in Crumbling Stairs Case Arguing Defendant Satisfied Any Duty Owed to Plaintiff

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Jeff Tenthoff Wins Premise Liability Case Involving U-Boat in Grocery Store

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Jeff Tenthoff Wins on Both Liability and Causation

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Philadelphia County defense verdict in a claim of general liability arising out of a young woman suffering serious burns to her chest while a guest at a popular Philadelphia wedding venue that handed out lit sparklers to guests while they were leaving the venue with the bride and groom. Plaintiff sustained the burns after being jostled by other guests during the send-off of the bride and groom when a piece of one of the sparklers fell into the front of her dress. In addition to claims for pain and suffering, plaintiff alleged permanent scarring and discoloration covering several square inches of her chest and cleavage. Mr. Tenthoff successfully defended the bride and groom who were joined as additional-defendants by the venue.

Delaware County defense award against a large grocery store chain arising from a slip and fall on ice in the parking lot.

Philadelphia County defense award in a claim brought by a general contractor who was hospitalized for a week with pneumonia against a homeowner arising out of alleged toxic mold exposure while the contractor was replacing a bathroom floor.

Philadelphia County defense award in claim for personal injuries and property damage arising out of an intersectional motor vehicle accident with disabling damage and airbag deployment to both vehicles where both parties claimed the other had the red light.

Philadelphia County defense award in a motor vehicle accident claim involving a family of four who were allegedly sideswiped by defendant when he was making an improper lane change. All four plaintiffs had the benefit of full tort coverage, but Mr. Tenthoff was successful on the issue of liability.


GMR Congratulates Eleven of Our Attorneys Recognized as Pennsylvania Super Lawyers and Rising Stars!

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GMR Congratulates Nine of Our Attorneys Recognized as Pennsylvania Super Lawyers and Rising Stars

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Jessica Smeriglio and Jeffrey Tenthoff Named 2021 New Jersey Rising Stars

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GMR Congratulates Five of Our Attorneys Recognized as Pennsylvania Super Lawyers and Rising Stars

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Jeffrey Tenthoff and Jessica Smeriglio Named 2020 New Jersey Rising Stars

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Jillian Vukson, Jeffrey Tenthoff and Lauren Glynn Named Partners

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