Patent offices in the world

• Algeria
• Andorra
• Argentina
• Australia
• Austria
• Belgium
• Brasil
• China
• Croatia
• Czech Rep.
• Denmark
• Philipines
• Finland
• France
• Greece
• Georgia
• Spain
• Holland
• Iceland
• Japan
• Canada
• Korea (S.)
• Lithuania
• Luxemburg
• Republic of Macedonia
• Malaysia
• Mexico
• Monaco
• Germany
• New Zeland
• Norway
• Portugal
• Moldavia
• Russia
• Romania
• Singapore
• Slovakia
• Slovenia
• USA
• Switzerland
• Sweden
• Thailand
• Turkey
• Ukraine
• Hungary
• United Kingdom
• Italy

Other IP organisations

• Benelux
• EAPO
• European Patent Office
• OHIM
• World Intellectual Property Organization
• WTO

Patent data bases

• esp@cenet
• pl.esp@cenet.com
• AIDS Patents
• Biotechnology and US patents
• Bulletin of the German Patent and Trademark Office on the Internet
• bunsan-service
• Centro de Innovación e Transferencia de Tecnoloxía (Santiago de Compostella)
• European Coating Patents Database
• Data Star
• Fachinformationszentrum Karlsruhe (STN)
• FILDATA - Italian Patent, utility model and design model database
• French jurisprudence database
• IBM Patent Server
• IFI/Plenum Data Corp
• Internet Multicasting Service
• Jiangxi information institute of science and technology, Nanchang ,CHINA
• Japan Patent Information Organization (JAPIO)
• The Dialog Corporation
• Lexis-Nexis
• MicroPatent PatSearch™ FullText
• PatCite
• PCT-Gazette
• Questel.Orbit
• Q-PAT (QUESTEL.ORBIT)
• Patent & Know-how Information Division
• patolis-web
• UBC Library Canadian Patent Index PATSCAN
• Univentio
• University "St Cyril and Methodius"
• US Patent Bibliographic Data
• U.S. Patent Citation Database

Patent information providers

• Bibliotheque de l'Université Laval
• Bundesdruckerei - Germany
• Chemical Patents Plus (CAS)
• CHI Research
• Centre Henri Tudor
• Derwent
• European Caveats Limited
• Great Lakes Patent & Trademark Center - Patent Library
• Guenther Kehl
• IFI/Plenum Data Corp
• INFOCO-System
• Institut National de la Propriété Industrielle
• Japan Patent Information Organization
• Japanese Patent Information ISTA
• Manning & Napier Information Services
• MicroPatent
• Mogee Research & Analysis Associates
• N2K Telebase's Brainwave
• Nomen!
• Patent World
• Patent Express - Document Supply Service -The British Library
• PATRO Information KK
• Polyresearch Service BV
• Prous Science
• QUAESTIO Information Retrieval Service
• Reedfax
• RWS Information Ltd & RWS Translations Ltd
• SCI³
• SmartPatents
• STO's Internet Patent Search System
• Transpatent GmbH
• TriPat
• Univentio
• Wila Verlag Wilhelm Lampl GmbH
• WPT

Useful URLs

• US Patent Class Definitions
• European Intellectual Property Association (EIPA)
• CORDIS, The Community R & D Information Service
• EUREKA
• EUROPA
• I*M Europe
• International Federation of Inventors Associations (IFIA)
• IPR Helpdesk
• OHIM (European Trademark Office)
• UK Network of Euro Info Centres (EICs)
• PatentAuction.com
• ScanBalt IPKN - Intellectual Property Knowledge Network
• Others

Young inventors

• Young Inventors Network

Patent Attorneys

• Polish Chamber of Patent Attorneys  
• Institute of Professional Representatives 
• Patent attorneys all over the world