[Discover] United States Patent and Trademark Office Home Page http://www.uspto.gov/ (trademarks law government business)
 [Discover] Google Patents http://www.google.com/patents (google search patents science)
 [Discover] WIPO - World Intellectual Property Organization http://www.wipo.int/portal/index.html.en (copyright legal ip wipo)
 [Discover] KIPRIS(Korea Industrial Property Rights Information Service) http://eng.kipris.or.kr/ (trademark patent search intelectualproperty)
 [Discover] SIPO ENGLISH http://www.sipo.gov.cn/sipo_English/ (patent china patents ip)
 [Discover] http://www.freepatentsonline.com/ http://www.freepatentsonline.com/ (search research business database)
 [Discover] INPI - Instituto Nacional da Propriedade Industrial http://www.inpi.gov.br/ (brasil marcas patentes governo)
 [Discover] Utility Patents http://www.maineandasmus.com/practice-areas/patents/patent-utility.htm (defensive patent and offensive)
 [Discover] Patent Lens Home http://www.patentlens.net/daisy/patentlens/patentlens.html (search science ip research)
 [Discover] FreshPatents.com http://www.freshpatents.com/ (patents search ip patent)
 [Discover] West & Associates http://www.westpatentlaw.com/ (startup startups patents)
 [Discover] Coding Horror: The Coming Software Patent Apocalypse http://www.codinghorror.com/blog/archives/000902.html (law copyright programming legal)
 [Discover] European Patent Office http://ep.espacenet.com/search97cgi/s97_cgi.exe?Action=FormGen&Template=ep/EN/home.hts (reference search patents database)
 [Discover] Nolo: Law Books, Legal Forms and Legal Software http://nolopress.com/ (legal trademark patent advice)