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• Austria ATOsterreichischen Patentamthttp://www.patent.bmwa.gv.at
• Austria ATAustrian Patent Office European Patent Searcheshttp://at.espacenet.com
• Belgium BEBelgian Patent Officehttp://www.european-patent-office.org/patlib/country/belgium
• Belgium BEBelgian Patent Office European Patent Searcheshttp://be.espacenet.com
• Canada CACanadian Intellectual Property Officehttp://cipo.gc.ca
• Canada CAL'Office de la Propriete Intellectuelle due Canadahttp://opic.gc.ca
• Canada CACanadian Patent Bibliographic Databasehttp://patents1.ic.gc.ca/intro-e.html
• Canada CACanadian Trademarks Databasehttp://strategis.ic.gc.ca/sc_consu/trade-marks/engdoc/cover.html
• China CNSIPOhttp://www.cpo.cn.net
• Cuba CUOficina Cubana de la Propiedad Industrialhttp://www3.cuba.cu/OCPI
• Denmark DKDanish Patent Office European Patent Searcheshttp://dk.espacenet.com
• Europe EUEuropean Patent Officehttp://www.european-patent-office.org
• Europe EUclick herehttp://www.european-patent-office.org/index.en.php
• Europe EUEuropean Patent Office Virtual Intellectual Property Libraryhttp://ep.espacenet.com/search97cgi/s97_cgi.exe?Action=FormGen&Template=ep/EN/home.hts
• Europe EUEuropean Patent Office Official Journalhttp://www.european-patent-office.org/epo/pubs/oj_index_e.htm
• Europe EUEuropean Trade Mark Harmonisationhttp://www.oami.eu.int
• France FRFrench Intellectual Propertyhttp://evariste.anvar.fr/inpi
• France FRRechereche Brevetshttp://www.inpi.fr/inpi/html/inbrevet.htm
• Greece GRGreek Patent Office European Patent Searcheshttp://gr.espacenet.com
• Hong Kong HKIntellectual Property (IP) Department Hong Kong Governmenthttp://www.houston.com.hk/hkgipd
• Ireland IEIrish Patent Office European Patent Searcheshttp://ie.espacenet.com
• Italy ITUfficio Italiano Brevetti e Marchihttp://www.european-patent-office.org/it
• Italy ITItalian Patent Office European Patent Searcheshttp://it.espacenet.com
• Mexico MXIMPIhttp://www.banapanet.impi.gob.mx/Contador/index.html
• Netherlands NLBureau voor de Industriele Eigendomhttp://bie.minez.nl
• New Zealand NZIntellectual Property Office of New Zealandhttp://www.iponz.govt.nz/search/cad/dbssiten.main
• Poland PLUrzad Patentowy Rzeczypospolitez Polskiejhttp://up.ci.uw.edu.pl
• Portugal PTINPIhttp://www.inpi.pt
• Russia RURussian Agency for Patents and Trademarkshttp://www.rupto.ru
• Russia RUState Commission of Russia for Selection Achievements Test and Protectionhttp://fax.airs.ru/ARIS/desel/goscom_e.html
• Spain ESSpanish Patent Office Patent Searcheshttp://es.espacenet.com
• Sweden SESwedish Patent Office Patent Searcheshttp://www.prv.se/prveng/interpat/interpe.htm
• Sweden SESwedish Patent Office European Patent Searcheshttp://se.espacenet.com
• Switzerland CHclick herehttp://www.moebius.ch
• Switzerland CHSwiss Patent Office Patent Searcheshttp://ch.espacenet.com
• Switzerland CHSwiss Trade Marks Journalhttp://www.ige.ch/E/datbank/da1.htm
• TrilateralUnited Stateshttp://www.uspto.gov/web/tws
• TrilateralEuropehttp://www.european-patent-office.org/tws/twsindex.htm
• United Kingdom GBBritish Patent Officehttp://www.patent.gov.uk
• United Kingdom GBclick herehttp://www.ukpats.org.uk
• United Kingdom GBBritish Patent Office Patent Searcheshttp://gb.espacenet.com
• United Kingdom GBBritish Patent Office Databases and TradeMark Searcheshttp://www.patent.gov.uk/search
• United States USU.S. Copyright Officehttp://lcweb.loc.gov/copyright
• UPOVThe International Union for the Protection of New Varieties of Plantshttp://www.upov.int/eng/index.htm
• WIPOclick herehttp://www.ompi.int