Useful Links
- US Patent & Trademark Office: www.uspto.gov
- European Patent Office: http://ep.espacenet.com
- French Patent & Trademark Office (Institut National de la Propriété Industrielle): http://fr.espacenet.com
- German Patent & Trademark Office: http://depatisnet.dpma.de
- British Patent & Trademark Office: http://gb.espacenet.com
- World Intellectual Property Organization (WIPO): http://www.wipo.int
- Australian Patent & Trademark Office: http://www.ipaustralia.gov.au
- Canadian Intellectual Property Office: http://cipo.gc.ca
- Office of the Controller General of Patents, Designs and Trade Marks of India: http://ipindia.nic.in/