Sources

Every source cited anywhere on this site. Government and regulatory sources set the rules; company-published sources state what a company says about itself and are labeled that way.

1. USPTO — Finding a patent practitioner USPTO
   USPTO guidance on finding and verifying a registered patent attorney or agent.
2. USPTO — Find a patent practitioner USPTO
   The USPTO's own search of registered patent attorneys and agents.
3. Wysebridge — Patent agent vs patent attorney Wysebridge (publisher of this site)
   Role, pay and the path to each.
4. Wysebridge — Patent law firm directory Wysebridge (publisher of this site)
   U.S. patent law firms, browsable by state, built from USPTO practitioner data.
5. Wysebridge — Registered practitioner profiles Wysebridge (publisher of this site)
   A profile for every USPTO-registered patent agent and attorney; practitioners claim theirs by registration number.