Patent Offices
European Patent Office
www.epo.org
German Patent and Trademark Office
www.dpma.de
French Patent Office
www.inpi.fr
UK Intellectual Property Office
www.ipo.gov.uk
United States Patent and Trademark Office
www.uspto.gov
Office for Harmonization in the Internal Market
oami.europa.eu/
WIPO – World Intellectual Property Organization
www.wipo.int
Organizations
Chamber of German Patent Attorneys
www.patentanwalt.de
FICPI – International Federation of Intellectual Property Attorneys
www.ficpi.org
EPI – Institute of Professional Representatives before the European Patent Office
www.patentepi.com
LES – Licensing Executives Society, Deutsche Landesgruppe e.V.
www.les-germany.org
LESI – Licensing Executives Society International
www.lesi.org
VPP – Association of Intellectual Property Experts
www.vpp-patent.de
AIPPI – International Association for the Protection of Intellectual Property
www.aippi.org
Research
DEPATISNET
Patent documents of the database of the German Patent and Trademark Office DPMA
depatisnet.dpma.de
REGISTER DPMA (formerly DPINFO)
Information regarding German patents, trademarks and registered designs
dpinfo.dpma.de
EPOLINE
Register of the European Patent Office EPO
register.epo.org
ESPACENET
Search for worldwide patent documents through the database of the European Patent Office EPO
www.espacenet.com
WIKIPATENTS
Extensive search, in particular concerning US patent documents
www.wikipatents.com
GOOGLEPATENTS
Extensive search, in particular concerning US patent documents
www.google.com/patents