Dean C. Seman Photo

Dean Seman, a former environmental engineer, defends business owners and companies in construction defect and accident matters as well as environmental matters. 

Dean has state and federal court litigation experience, including trials, involving alleged defects in large residential developments, condominiums and single family homes. He also handles complex construction accident claims, including product liability aspects. 

His environmental litigation experience includes the defense of environmental consultants and laboratories in professional negligence matters as well as more traditional environmental issues arising from storage tank releases, fracking, Superfund, Brownfields, waste handling issues under the Resource Conservation and Recovery Act (RCRA) and.  He also handles permit issues and Pennsylvania Department of Environmental Protection corrective action matters. Dean represents the Pennsylvania Underground StorageTank Indemnification Fund.


Angie Mastronardo
215.972.7900 ext. 4974
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