Algerian non governmental organisations: :

INAPI : http://www.inapi.org

CNRC : http://www.cnrc.org.dz

French non governmental organisations:

CNCPI: http://www.cncpi.fr/

AIPPI: http://www.aippi.org/

FICPI: http://www.ficpi.org/

AFJE: http://www.afje.org/

Producers Union: http://www.unifab.com/

GRAPI: http://www.grapi.fr/

International non governmental organisations:

AIPLA: http://www.aipla.org/

CIPA: http://www.cipa.org.uk/

ECTA: http://www.ecta.org/

INTA: http://www.inta.org/

EPI: http://www.patentepi.com/

LES : http://www.lesi.org/

Governmental offices and organisations :

OMPI: http://www.wipo.int/portal/index.html.en

OEB: http://www.european-patent-office.org/

INPI: http://www.inpi.fr/

OHMI: http://oami.europa.eu/ows/rw/pages/index.en.do

European Commission: http://europa.eu.int/comm/internal_market/fr/intprop/index.htm

Swiss IP office: http://www.ige.ch/

German IP office: http://www.dpma.de/

UK IP office: http://www.patent.gov.uk/

US Patent and Trademark office: http://www.uspto.gov/