VALUABLE LINKS

World Intellectual Property Organization http://www.wipo.org/
Patent Cooperation Treaty http://www.wipo.org/pct/en/index.html
Piper Pats for finding agents and information throughout the world http://www.piperpat.co.nz

Patent searching

Free
USPTO patent search http://www.uspto.gov/patft/index.html
IBM patent database search http://www.delphion.com/

At a Cost
www.patentsearchinternational.com www.patentsearchinternational.com
MicroPatent http://www.micropat.com/index.html

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