Gov
Intellectual property office home page
http://www.patent.gov.uk/
Ic.gc
Trade-marks home page
http://strategis.ic.gc.ca/sc_mrksv/cipo/tm/tm_main-e.html
Inta
Inta
http://www.inta.org/
Nameprotect
Corporation service company is a leading provider of legal and financial services for the world’s largest companies, law firms and financial institutions. corporation service company provides trademark, domain name and brand monitoring solutions that support the life cycle of a brand.
http://www.nameprotect.com/cgi-bin/FREESEARCH/search.cgi?vendor_id=6579
Uspto.gov
Uspto trademark links
http://www.uspto.gov/main/trademarks.htm
Wipo
Wipo, the world intellectual property organization (wipo) homepage, entry point for information about industrial property and copyright.
http://www.wipo.int/