revised : January 2015

P : EPO - European Patent Office
http://www.epo.org/

P : Esp@cenet (Europe's network of patent databases)
http://www.espacenet.com/index.en.htm

P : Institut National de la Propriété Industrielle (France)
http://www.inpi.fr/front/

P : Intellectual Property Digital Library
http://www.wipo.int/ipdl/en/

P : Intellectual Property Office (United Kingdom)
http://www.ipo.gov.uk/

P : Official Journal of the European Patent Office
http://www.european-patent-office.org/epo/pubs/oj_index_e.htm

P : Ufficio Italiano Brevetti e Marchi
http://www.uibm.gov.it/

P : US Patent and Trademark Office
http://www.uspto.gov/

P : World Patent Index (Derwent)
http://thomsonreuters.com/derwent-world-patents-index/

S : Afnor (Association Française de Normalisation)
http://www.afnor.fr/

S : ANSI (American National Standards Institute)
http://www.ansi.org/

S : BSI (British Standards Institution)
http://www.bsigroup.com/en-GB/

S : DIN (Deutsches Institut für Normung)
http://www.din.de/

S : ISO (International Organization for Standardization, Geneva)
http://www.iso.ch/

S : Standardisation in the European Union
http://www.newapproach.org/

S : Wikipedia : Standards Organization
http://en.wikipedia.org/wiki/Standards_organization