Alphabetical list of international Intellectual Property offices (Intellectual Property, Industrial Property, Copyright) and regional offices.

The EPO's database offering free access to more than 90 million patent documents worldwide, containing information about inventions and technical developments from 1836 to today.

Patent office for Europe.

A part of a nationwide network of public, state, and academic libraries designated by the USPTO to support the public with trademark and patent assistance.

The federal agency for granting U.S. patents and registering trademarks.

Non-USPTO solicitations that may resemble official USPTO communications. Please be aware that private companies not associated with the United States Patent and Trademark Office (USPTO) often use trademark application and registration information from the USPTO's databases to mail or e-mail trademark-related solicitations.

The global forum for intellectual property services, policy, information and cooperation.