Domain Names, Law and Intellectual Property

The below resources will help for investigating law and intellectual property issues with regard to domain names, e.g. finding trademarks.

Online Trademark Database Search at ipo.gov.uk
Allows you to search the Government's UK trademark database, provided by the Intellectual Property Office.

Trademarkia.com
Search online for US Trademarks.

Authoritative sites for US Trademark Searches: WIPO Romarin | USPTO TESS