Canadian Intellectual Property Office Canadian Trademarks Database (for searching Canadian trademark registrations and applications) Canadian Patent Database (for searching Canadian patents and published applications) Canadian Copyrights Database CIPO - A Guide to Canadian Copyright Law Canadian Industrial Designs Database CIPO's Canadian Trade-marks Agents List CIPO's Canadian Patent Agents List United States Patent and Trademark Office United States Copyright Office World Intellectual Property Organization (WIPO) WIPO's PATENTSCOPE Patents Database |