Cynthia L. Brennan


Contact Information:


: 215-587-1699



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Cynthia has focused her entire 20 year career on defending healthcare providers, healthcare systems, hospitals and other medical entities in complex medical malpractice litigation and mass torts.  She played central roles as defense liaison counsel in several consolidated mass torts including the statewide silicone breast implant litigation and the Philadelphia Coordinated Rezulin litigation. She also played a central role in the representation of Class 5 Physicians in the Dow Corning Bankruptcy Reorganization.

Cynthia focuses her practice on the workup of cases from inception through trial.  She handles all aspects of litigation including medical investigation and research, taking and defending depositions, formulating defenses, and identifying and working with experts.  Cynthia also participates as associate counsel during trial.

Cynthia is particularly skillful in research and writing and prepares pretrial and post-trial motions, bench memorandums and appellate briefs.  Notably, Cynthia wrote a successful Frye motion the breast implant litigation which eliminated any claim that breast implants cause systemic diseases.

On a pro bono basis, Ms. Brennan represents migrant children involved in the Central American immigration crisis

Published Works

  • Dow Corning Settlement: Understanding The Treatment of Physicians’ Claims Under Joint Plan Of Reorganization, Medical/Legal Aspects of Breast Implants, Vol. 8 No. 7, June, 2000
  • Mandatory Community Service As A High School Graduation Requirement: Inculcating Values or Unconstitutional?, The Thomas M. Cooley Law Review, Hillary Term, 1994

Professional Associations and Memberships

  • Montgomery County Bar Association, Board of Directors
  • American Bar Association