M. Howard Vigderman

Brad M. Rostolsky is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Brad M., who practices law in Philadelphia, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brad M. is held by other top lawyers in the same geographic and legal practice area.

Lawrence R. Cohan is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Lawrence R., who practices law in Philadelphia, Pennsylvania, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lawrence R. is held by other top lawyers in the same geographic and legal practic...

Clark Whitney is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Clark, who practices law in Philadelphia, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Clark is held by other top lawyers in the same geographic and legal practice area.

Shelley R. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Shelley R., who practices law in Philadelphia, Pennsylvania, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shelley R. is held by other top lawyers in the same geographic and legal practice area.

Patrick J. O´Connor is vice chairman of Cozen O´Connor. He is a trial lawyer who focuses his practice on litigation arising out of contracts, banking matters, estates, professional liability involving legal and accounting matters, health care, and aviation-related claims. Prior to joining Cozen O´Connor in 1973, he served as law clerk to the Hon. Thomas J. Clary, chief judge of the U.S. District Court for the Eastern District of Pennsylvania, and was an associate attorney at...

Jonathan Spergel is the immediate past managing partner of Manko, Gold, Katcher & Fox LLP in Bala Cynwyd, Pennsylvania, the environmental and energy law firm with which he started his legal career in 1993. He handles a wide variety of environmental legal issues, including the environmental aspects of commercial transactions and brownfields sites, environmental insurance procurement and coverage issues, public funding opportunities, regulatory compliance counseling, and litigation for comm...

David G. Mandelbaum is a shareholder in Greenberg Traurig's Litigation and Environmental Groups. http://www.gtlaw.com/People/davidmandelbaum CONCENTRATION Air, Water, and Waste Regulation Superfund and Contamination Climate Change Oil and Gas Development Water Rights SIGNIFICANT REPRESENTATIONS Representation of industrial clients in wastewater, solid waste, and air permitting matters; administrative appeals; and enforcement actions Advises clients on sustainability and climate change, risk m...

Philip G. Kircher handles a wide variety of complex commercial litigation in state and federal courts including securities, antitrust, shareholders' rights, business and real estate joint ventures, corporate governance, breach of fiduciary duties and general breach of contract matters. Philip has represented manufacturers, wholesalers, retailers, hospitals, doctors, food service operators, software designers, architects, engineers, constructors, schools, banks, state and local governments and...

Thomas J. Giordano, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Thomas J., who practices law in Philadelphia, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas J. is held by other top lawyers in the same geographic and legal practice area.

In more than four decades of practicing personal injury law, Thomas R. Kline has forged an incomparable record of courtroom victories, some with remarkable results against seemingly incredible odds. Described by The Philadelphia Inquirer as "one of the nation's most prominent trial lawyers," Kline has achieved hundreds of seven- and eight-figure jury verdicts and settlements. In 2019 alone he achieved jury verdicts of $41 million, $80 million and $8 billion in medical device cases and a presc...