Originally posted by ayush
VARIOUS COUNTRIES PATENT INFORMATION
1. European patent http://ep.espacenet.com
2. American patent http://www.uspto.gov/patft/index.html
3. Japanese patent http://www19.ipdl.ncipi.go.jp/PA1/cgi-bin/PA1INIT? 1130245303367 or http://www.ipdl.ncipi.go.jp/homepg_e.ipdl
4, Chinese patent http://www.sipo.gov.cn/sipo/zljs/default.htm
5. Hong Kong patent http://ipsearch.ipd.gov.hk/patent/main.jsp? L.ANG=en
6. Taibei patent http://www.tipo.gov.tw/eng/howto/prennet.asp (by domestic blockade, with overseas agent may above)
7. Canadian patent http://patents1.ic.gc.ca/intro-e.html
8. Australian patent http://apa.hpa.com.au:8080/ipapa/qsearch? |