Alphabetisch geordnet
About.com: Inventors newsgroups and mailing lists
alt.inventors newsgroup
Brevetti
Das Erfinder Forum
Intellectual property newsgroup
IP Bulgaria
IP Factor
IPEstonia
IP Takeaway
Jusline
Le blog du droit européen des brevets
Patentportal
PIUG/PATMG Patent Information Discussion List
Wikipatents - Community Patent Review