Links
USPTO Home page: http://www.uspto.gov/
Patent Office Fees: http://www.uspto.gov/learning-and-resources/fees-and-payment/uspto-fee-schedule
Patent Office Statutes: http://www.uspto.gov/web/offices/dcom/olia/aipa/PatLaws1214.pdf
MPEP: http://www.uspto.gov/web/offices/pac/mpep/index.html
European Patent Office (English): http://www.epo.org/
European Patent Office (German): http://www.epo.org/index_de.html
European Patent Office (French): http://www.epo.org/index_fr.html
European Patent Office (Spanish): http://www.epo.org/index_es.html
Patent Cooperation Treaty (English): http://www.wipo.int/pct/en/
Patent Cooperation Treaty (German): http://www.wipo.int/pct/de/
Patent Cooperation Treaty (French): http://www.wipo.int/pct/fr/
Patent Cooperation Treaty (Spanish): http://www.wipo.int/pct/es/