IBM Patent Server Search and analyze patent documents from U.S. and European patents and applications, World IP Office data, and patent abstracts from Japan.
International Patent Information Award International selection board, nomination procedure & schedule, award recipients, and other aspects of the award.
Internet Patent News Service Announcements from patent offices around the world, interesting new patents and styles of patent drafting, and statistics on issued patents.
WikiPatents Features a wiki-like interface to review, rate, and discuss patents, plus free patent PDF downloads, file histories, and advanced patent searching.