Patent Searches

For the Canadian Patents since 1920:
http://www.ic.gc.ca/eic/site/cipointernet-internetopic.nsf/eng/Home

For the US Patents since 1790:
http://www.uspto.gov/patft/index.html

For Worldwide Searches:
https://www.epo.org/searching.html

PCT Gazette
http://www.wipo.int/patentscope/en/

Patent Classifications

For US Patent Classifications:
http://www.uspto.gov/go/classification/

For International Patent Classifications:
http://www.wipo.org/classifications/en/

Patent Laws and Rules

For the Canadian Patent Act:
http://laws.justice.gc.ca/en/P-4/index.html

For the Canadian Patent Rules:
http://laws.justice.gc.ca/en/P-4/SOR-96-423.index.html

For the Canadian Manual Of Patent Office Practice (MOPOP)
http://strategis.ic.gc.ca/sc_mrksv/cipo/patents/mopop/mopop-e.html

For US Patent Laws:
http://www.uspto.gov/web/offices/pac/mpep/consolidated_laws.pdf

For US Patent Rules:
http://www.uspto.gov/web/offices/pac/mpep/consolidated_rules.pdf

For the US Manual Of Patent Examining Procedure (MPEP)
http://www.uspto.gov/web/offices/pac/mpep/mpep.htm