- American Intellectual Property Law Association
www.aipla.org - European Patent Office
www.epo.org - Google Patent Search
www.google.com/patents - Intellectual Property Owners Association
www.ipo.org - Japan Patent Office
www.jpo.go.jp - Korean Intellectual Property Office
www.kipo.go.kr - United States Patent and Trademark Office
www.uspto.gov - World Intellectual Property Organization
www.wipo.int
