Pierre Queiroz de Oliveira

Raymond L. DeLuca has 20 years of experience as a construction lawyer who represents owners, contractors, and design professionals in all phases of the construction and dispute resolution process. He has litigated numerous significant construction claims, from the owner, contractor, and design professional's perspectives, and has tried cases in state and federal courts, and in arbitrations. In addition, Raymond has drafted and negotiated design, construction, and procurement contracts for maj...

James H. Heller, chair of the firm's Products Liability Practice Group and vice chair of the Commercial Litigation Department, joined the firm in August 1985. Jim is a member of the firm's Board of Directors. Jim practices out of the Philadelphia office. Jim handles complex commercial disputes and catastrophic personal injury claims. During his tenure at Cozen O’Connor, Jim has had extensive litigation experience, trying more than 50 cases to verdict or judgment in state and federal cou...

Karl A. Fritton is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Karl A., who practices law in Philadelphia, Pennsylvania, has been recognized since 2001. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karl A. is held by other top lawyers in the same geographic and legal practice area.

Marni Sabrina Berger is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Marni Sabrina, who practices law in Philadelphia, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marni Sabrina is held by other top lawyers in the same geographic and legal practice area.

Attorney Michael Cardamone is the Founder and President of Cardamone Law. He is a Certified Pennsylvania Workers’ Compensation Specialist with over 25 years of experience advocating for injured workers across Pennsylvania. He has received several accolades, including being named to the Best Attorneys of America List by Rue Ratings, America’s Top 100 Attorneys, and the Top 25 in Pennsylvania by The National Trial Lawyers. Michael holds a perfect 10 out of 10 rating on Avvo and has ...

Kelly Anne Donohoe is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kelly Anne, 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 Kelly Anne is held by other top lawyers in the same geographic and legal practice area.

Robert I. Friedman joined the firm’s Philadelphia office in April 2009 as a member in the Business Law Department. He serves as chair of the Private Client Services Practice Group and concentrates his practice in the areas of estate and trust planning and administration, including business succession planning, and tax and charitable planning. Robert is a fellow of the American College of Trust and Estate Counsel, and he is a member of the Advisory Committee to the Pennsylvania Joint Sta...

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...

Christopher Schubert brings more than 26 years of experience in real estate, land use, and business law. He represents leading telecommunications companies, wireless carriers, and tower operators in complex zoning and leasing matters, while also advising developers, landowners, and commercial clients throughout Pennsylvania, New Jersey, Delaware, and Maryland. Chris provides practical, strategic guidance on zoning, subdivision, land development, leasing, real estate transactions, and condemna...

Deborah R. Willig has served as Willig, Williams & Davidson’s managing partner since the firm’s founding in 1979. A determined advocate for workers, Deborah has focused her practice on labor relations and employment law since 1976. As a labor and employment attorney, Deborah has been involved in representing a wide range of labor unions including teachers, and non-professional public school employees, public health, social, and recreation workers, firefighters, teamsters and o...