Welcome to the Trademark Clearinghouse Database (TMDB) web client

Upcoming Maintenance

On 30 January 2023 at 07:00 UTC. TMDB services are expected to be unavailable for less than an hour. This includes the functions for the Domain Name List (DNL), Signed Mark Data Revocation List (SMDRL), Sunrise List (SURL), List of Registered Domain Names (LORDN) and the TMDB web page. The Claims Notice Information Services (CNIS) service will continue to be available during this time.

On 22 February 2023 at 08:00 UTC. TMDB services are expected to be unavailable for two to four hours. This includes the functions for the Domain Name List (DNL), Signed Mark Data Revocation List (SMDRL), Sunrise List (SURL), List of Registered Domain Names (LORDN) and the TMDB web page. The Claims Notice Information Services (CNIS) service will continue to be available during this time.

The Trademark Clearinghouse Database (TMDB) system serves as the central database to provide information to Registries and Registrars supporting the Sunrise and Claims services.

The TMDB system web client enables Registries and Registrars to access the Clearinghouse Database (TMDB) system. Only Registries and Registrars that are authorised by ICANN are authorised to access the TMDB system.

Registry:

As a Registry, you own a Top Level Domain (TLD) and can accept Domain Name registrations from Registrars; maintaining the central Database of Registered Domains. If you are authorized as a Registry, the TMDB web client allows you to:
  • Configure and test your connections with the TMDB
  • Retrieve the SMD Revocation List
  • Retrieve the DNL List
  • Submit a LORDN File
  • Retrieve a LORDN Log File

Registrar:

As a Registrar, you can register Domain Names with the Registry on behalf of the Registrant. If you are authorized as a Registrar, the TMDB web client allows you to:
  • Configure and test your connections with the TMDB
  • Retrieve the SMD Revocation List
  • Retrieve CNIS files

You can refer to the ICANN website (http://www.icann.org) for further details.