Offices

German Patent and Trade Mark Office (DPMA)

http://www.dpma.de

European Patent Office (EPA)

http://www.epo.org

Office for Harmonization in the Internal Market (HABM)

http://www.oami.eu

World Intellectual Property Organization (WIPO)

http://www.wipo.int

United States Patent and Trademark Office

http://www.uspto.gov/

State Intellectual Property Office of the P.R.China

http://english.sipo.gov.cn/

Japan Patent Office

http://www.jpo.go.jp/