In Memorium – Donald J. P. Sweeney – 1938-2021Please Click Here

Denise M. Montgomery

Phone: (215)-963-2435
Facsimile: (215)-557-0999


Ms. Montgomery is a Shareholder at Sweeney & Sheehan, P.C. and focuses her practice in the area of construction defect, representing prime contractors and sub-contractors in complex construction defect claims throughout Pennsylvania and New Jersey. She also has extensive expertise in the areas of employment law, professional liability, and general liability. Ms. Montgomery is experienced in all aspects of litigation, including discovery, mediation, contractual and non-binding arbitration, and trial.

Upon Graduating from Villanova University School of Law in 1996, she served as Law Clerk to the Honorable John F. Callinan, in the Court of General Equity of the New Jersey Superior Court, Cape May County.


Widener University — B.A. History, Magna Cum Laude, 1993; Graduate of Honors Program
Villanova University School of Law — J.D., 1996

Bar Admission

  • Pennsylvania — 1996
  • New Jersey — 1997
  • U.S. District Court for the District of New Jersey — 1997
  • U.S. District Court for the Eastern District of Pennsylvania – 2010
  • U.S. District Court for the Middle District of Pennsylvania – 2010

Donald J. P. Sweeney, Esquire


Sweeney & Sheehan mourns the loss of its founder, Donald J.P. Sweeney, Esquire, on June 8, 2021. He was a proud graduate of St. Athanasius Catholic School, St. Joseph's Preparatory School, Villanova University and Temple Law School. He practiced law for nearly 40 years, and founded Sweeney & Sheehan in 1971. He was active litigator and he specialized in catastrophic product liability cases. Don supported his children's activities, serving as soccer coach at St. Albert the Great Catholic Church and President of the CYO. He was a lector for nearly 48 years and a member of the choir. He was an active supporter of St. Joseph's Prep and was awarded the Alumnus of the Year Award in 1999 and the Rev. Charles Schnorr, SJ '37 Service Award in 2005. He retired from the practice of law in 2004.

Don is survived by his wife of 59 years, Ann, his children, Shannon, Patrick, Daniel, Gerard and Suzanne, and ten grandchildren.

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