| Indian Patent Office | http://www.patentoffice.nic.in/ |
| Manual of Patent Practice in India | http://ipindia.nic.in/ipr/patent/manual.htm |
| Indian Bi-lateral agreements | http://ipindia.nic.in/ipr_bilaterals/dipp_bilaterals.htm |
| Govt. of India Patent site | http://patinfo.nic.in/main.php |
| Books for Inventors | http://www.patentstuff.com/books/books-inventors.html |
| Inventor's guide | http://www.inventorsdigest.com/ |
| US patent and Trade mark office | http://www.uspto.gov/ |
| Govt of india patent search link | http://patinfo.nic.in/ |
| TIFAC patent Facilitation Centre | http://www.indianpatents.org.in/ |
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