Argentinie
argentinie
http://www.mecon.gov.ar/inpi/
Brazilie
brazilie
http://www.inpi.gov.br/
Canada
The canadian intellectual property office (cipo) administers intellectual property systems in canada (patents, trade-marks, copyrights, industrial designs and integrated circuit topographies) and disseminates ip information.
http://strategis.ic.gc.ca/sc_mrksv/cipo
Peru
peru
http://www.indecopi.gob.pe/
Verenigde staten
Uspto trademark links
http://www.uspto.gov/main/trademarks.htm