List of all useful Patents sites

Sr.No.	Country	Site Address
1	Australian Patent Office	http://www.ipaustralia.gov.au/
2	Austrian Patent Office	http://www.patent.bmwa.gv.at/
3	Belgian Patent Office	http://www.european-patent-office.org/patlib/country/belgium/
4	Benelux Trademark Office	http://www.boip.int/index.htm
5	Brazilian Patent Office	http://www.inpi.gov.br/
6	Canadian Intellectual Property Office	http://www.cipo.ic.gc.ca/eic/site/cipointernet-internetopic.nsf/eng/Home
7	Czech Patent Office	http://www.upv.cz/cs.html
8	Chinese Patent Office	http://www.cpo.cn.net/
9	Croatian Patent Office	http://pubwww.srce.hr/patent/
10	Cuban Patent Office	http://www.ocpi.cu/
11	Danish Patent Office	http://www.dkpto.dk/
12	European Patent Office	http://www.epo.co.at/epo/
13	Finnish Patent Office	http://www.prh.fi/engl.html
14	French Patent Office	http://www.inpi.fr/
15	Georgian Patent Office	http://www.global-erty.net/saqpatenti
16	German Patent Office	http://www.deutsches-patentamt.de/
17	Greek Industrial Property Organisation	http://www.obi.gr/online/
18	Hong Kong Patent Office	http://www.ipd.gov.hk/
19	Hungarian Patent Office	http://www.hpo.hu/English/
20	Iceland Patent Office	http://www.els.stjr.is/
21	Indian Patent Office	http://www.patentoffice.nic.in/
22	Indonesian Patent Office	http://www.dgip.go.id/
23	Irish Patent Office	http://www.patentsoffice.ie/
24	Israel Patent Office	http://www.justice.gov.il/MOJEng/RashamPatentim/default.htm
25	Italian Patent Office	http://www.european-patent-office.org/it/
26	Japanese Patent Office	http://www.jpo.go.jp/
27	Korean Patent Office	http://www.kipo.go.kr/
28	Lithuanian Patent Office	http://www.vpb.lt/
29	Luxembourg Patent Office	http://www.eco.public.lu/
30	Macedonian Patent Office	http://www.ippo.gov.mk/dzzis/dzzis1.nsf
31	Malaysian Intellectual Property Division	http://www.myipo.gov.my/
32	Mexican Patent Office	http://www.impi.gob.mx/
33	Monaco Patent Office	http://www.european-patent-office.org/patlib/country/monaco/
34	Netherlands Patent Office	http://www.bie.minez.nl/
35	New Zealand Patent Office	http://www.iponz.govt.nz/cms
36	Norwegian Patent Office	http://www.patentstyret.no/no/
37	Peruvian Intellectual Property Office	http://www.indecopi.gob.pe/
38	Philippines Patent Office	http://www.ipophil.gov.ph/
39	Polish Patent Office	http://www.uprp.pl/polski
40	Portuguese Patent Office	http://www.inpi.pt/
41	Romanian Patent Office	http://www.osim.ro/
42	Russian Patent Office	http://www1.fips.ru/wps/wcm/connect/content_ru/ru
43	Singaporean Patent Office	http://www.ipos.gov.sg/topNav/hom/
44	Slovak Republic Patent Office	http://www.indprop.gov.sk/
45	Slovenian Patent Office	http://www.uil-sipo.si/
46	Spanish Patent Office	http://www.oepm.es/cs/
47	Swedish Patent Office	http://www.prv.se/
48	Swiss Institute of Intellectual Property	https://www.ige.ch/
49	Taiwan Patent Office	http://www.tipo.gov.tw/eng/
50	Thai Patent Office	http://www.ipthailand.org/ipthailand/
51	United Kingdom Patent Office	http://www.ipo.gov.uk/
52	United States Patent Office	http://www.uspto.gov/
53	World Intellectual Property Organisation (WIPO)	http://www.wipo.int/portal/index.html.en
54	World Trade Organisation (WTO)	http://www.wto.org/