USPTO
     http://www.uspto.gov/

USPTO Patent Search
      http://www.uspto.gov/patft/index.html

Free Patents Online
      http://www.freepatentsonline.com/

Patent Fetcher
      http://www.patentfetcher.com/Patent-Fetcher-Form.php

PDF US Patent Download
      www.pat2pdf.org

WIPO — World Intellectual Property Organization
     http://www.wipo.int

PCT Search Page
      http://www.wipo.int/pctdb/en/search-adv.jsp

European Patent Office
     http://www.european-patent-office.org/index.en.php

Japanese Patent Office
      http://www.jpo.go.jp/

Japanese Patent Search
      http://www19.ipdl.ncipi.go.jp/PA1/cgi-bin/PA1INIT?1148951889890

United Kingdom Patent Office
      http://www.ukpats.org.uk/

Canadian Intellectual Property Office
      http://strategis.ic.gc.ca/sc_mrksv/cipo/welcome/welcom-e.html

CAFC (Court of Appeals for the Federal Circuit) decisions.
      http://www.law.emory.edu/fedcircuit/

The State Bar of California
      http://www.calbar.ca.gov/

Statutory and Case Law
      http://www.findlaw.com/casecode/courts/Fed.html

United States Code (U.S.C.)
     http://www4.law.cornell.edu/uscode/