Pennsylvania

List of patent attorneys and agents in your state
Registered Patent Attorneys/Agents in Pennsylvania

Patent and Trademark Depository Library

The Free Library of Philadelphia, Philadelphia

The Carnegie Library of Pittsburgh, Pittsburgh

PAMS Library, Pennsylvania State University, University Park

 

American Society of Inventors
americaninventor.org

Attorneys General
717.787.3391
1600 Strawberry Square
Harrisburg PA 17120
attorneygeneral.gov