David J. Colleran, Esq.

Messa & Associates - David Colleran, Esq.

David Colleran


attorney at law

David. J. Colleran, Esq. brings his outstanding commitment to advocating for clients who have suffered life-altering injuries due to medical malpractice, defective products, hazardous premises, negligent operation of motor vehicles, and workplace accidents.

About mr. Colleran


Colleran's career spans an impressive 24 years, during most of which he co-operated a private firm. He is known for his relentless dedication to his clients, representing them with fervor in various courts across Pennsylvania and New Jersey, including federal district courts and appellate courts. What sets his career
apart is his knack for achieving remarkable outcomes in jurisdictions where such victories are uncommon.

As a lead trial attorney, Colleran boasts a remarkable track record, securing numerous multimillion-dollar verdicts and settlements for his clients.

Colleran is an alumnus of Villanova University where he played division one baseball and went on to attend Villanova University School of Law, graduating in 1999. Following his graduation, he served as a clerk for the Honorable John P. Fullam, a federal judge in the Eastern District of Pennsylvania.

David spends his time out of the office with his three children and wife in the Philadelphia suburbs. A sports enthusiast, Colleran spent many years as a coach and administrator in the Radnor-Wayne Little League. He is also the creator and President of an independent travel baseball team which competed for multiple summers throughout the mid-Atlantic region. In addition, Colleran coached multiple youth basketball teams and often served as a volunteer umpire and referee. He is also involved with multiple charities, including Big Brothers Big Sisters of America, Feeding America, The Ronald McDonald House and The Make-A-Wish Foundation.

professional achievements


He holds licenses to practice law in Pennsylvania and New Jersey and is an active member of several esteemed professional organizations, including the Philadelphia Bar Association, the Pennsylvania Bar Association, and the Pennsylvania Association for Justice. David is frequently a panelist on various CLE programs on topics related to personal injury litigation.

Colleran, in his role as co-counsel, played an instrumental part in securing a $7.5 million jury verdict in the Philadelphia County Court of Common Pleas for a teenager who lost his lower leg due to the failure to timely diagnose compartment syndrome.

In addition to these cases, Colleran has secured dozens of other seven-figure recoveries by way of jury verdict, arbitration award or settlement in counties throughout Pennsylvania and New Jersey.

Messa & Associates - David Colleran, Esq.

Notable Victories


$9,750,000 settlement in the Philadelphia County Court of Common Pleas on behalf of a child who developed cerebral palsy due to a delay in delivery.

$8,900,000 settlement on behalf of a child whose physician failed to diagnose her proper abdominal condition resulting in a severe loss of bowel.

$6,800,000 settlement in a New Jersey birth injury case involving cerebral palsy and the failure to timely deliver a baby. This achievement held the distinction of being the largest medical malpractice settlement in the entire state for 2017, as reported by TopVerdict.com.


$5,800,000 jury verdict in the Philadelphia County Court of Common Pleas involving the death of a woman who developed uterine cancer after her physicians failed to perform a necessary hysterectomy related to her uterine fibroids.


$5,000,000 settlement in the Luzerne County Court of Common Pleas on behalf of a child who lost vision in one eye due to the failure of an emergency medicine provider to diagnose a corneal laceration.

$5,000,000 settlement in the Philadelphia County Court of Common Pleas related to the failure to timely diagnose and treat stroke-related symptoms in an elderly woman.

$5,000,000 settlement in the Philadelphia County Court of Common Pleas on behalf of a man who died of a cardiac arrest after his specialist physician failed to perform the appropriate diagnostic work-up in response to his active symptoms.

$4,000,000 jury verdict in Atlantic County, New Jersey, related to a slip-and-fall incident resulting in severe ankle injury.

$3,500,000 jury verdict in the Eastern District of Pennsylvania on behalf of a widow whose husband tragically lost his life while performing repairs under a truck.

$3,000,000 settlement in the Montgomery County Court of Common Pleas related to the failure of emergency medicine providers to properly treat an asthmatic child leading to his death.

$3,000,000 recovery in Schuylkill County, Pennsylvania, stemming from the failure to timely diagnose a spinal abscess.

contact details


215-568-3501

123 S 22nd St. Philadelphia, PA 19103