Contact Charles Riddle

Charles Riddle is a licensed trademark attorney and patent attorney based in King of Prussia, Pennsylvania, with over 20 years of experience in the practice of intellectual property law. He manages trademark, copyright, and patent portfolios for businesses, law firms, and individuals. His practice includes US and foreign trademark law, trademark registration, civil litigation in federal courts and foreign jurisdictions, Trademark Trial and Appeal Board (TTAB) proceedings, opposition and cancellation matters, domain name disputes, and internet law including DMCA, e-commerce, and social media take-downs.