Patent and Trademark Resource Center: Trademark Databases

The United States Patent and Trademark Office (USPTO) trademark research database

Find international class assignments for both goods and services.

Find the various design codes for different pieces and parts of logos.

The Trademark Official Gazette (TMOG) is published each Tuesday and contains bibliographic information and a representative drawing for each mark published, along with a list of cancelled and renewed registrations.

Recordation of Ohio business filings.

Links to the various states trademark registration offices

The Global Brand Database makes it easier to search over 21,490,000 records relating to internationally protected trademarks, appellations of origin and armorial bearings, flags and other state emblems as well as the names, abbreviations and emblems of intergovernmental organizations. For information on the status of an international trademark registration, use the Madrid Monitor.

Designview is a centralized access point to view the registered design information held by any of the participating National Offices.

The Manual is published to provide trademark examining attorneys in the USPTO, trademark applicants, and attorneys and representatives for trademark applicants with a reference work on the practices and procedures relative to prosecution of applications to register marks in the USPTO.

The USPTO's main page for all trademark forms and links to information on filing. Do not submit pdf versions of forms but follow the directions for online filing and responses.

The toolkit covers all aspects of trademarks and the steps to registration.