Philadelphia Trademark Attorney is a specialized legal practice offering expert intellectual property services with a focus on trademark and copyright law. Operating as a service of Riddle Patent Law, LLC, the firm stands out for its deep expertise in federal registration and litigation, serving clients both locally in Philadelphia and nationwide since 1999.
Led by Attorney Charles L. Riddle, the practice leverages over 20 years of experience in intellectual property litigation and dispute resolution. The firm adopts a consultative approach, providing clear guidance on trademark options, risks, and processes, and is skilled at anticipating issues to minimize application rejections. It represents clients in federal courts, including the Eastern District of Pennsylvania, and caters to businesses and individuals seeking robust brand protection.
Services Offered
- Trademark Application
- Trademark Search
- Copyright Application and Registration
- Intellectual Property Litigation
- Trademark Opposition (Notice of Opposition)
- Trademark Cancellation
- Domain Name Disputes / UDRP Proceedings
- Cease and Desist Letters
- Unfair Competition Infringement Matters
- Patent Prosecution and Defense
- Federal Court Representation
- Brand Protection Services
The firm serves clients across all 50 states and internationally, with a physical office in Center City Philadelphia. Attorney Riddle is admitted to practice before the United States District Court for the Eastern District of Pennsylvania and offers services as both lead and local counsel in intellectual property cases.
