List of Patent Databases
The following patent search databases appeared in a poll created by Intellectual Property Network . PatentBrain: US and WO Algorithmic Patent Search DEPATISnet: Worldwide patent search Esp@cenet Patmedia - Visual patent search ArnoldIT.com: US patents Boliven Patents: US, WO, EP, JP; KR patent search ChemYQ:Chinese patents Clusterpat: patents from US, EP Offices DeepDyve: US patents Espresso: US patents Patentdocs: US patents Freepatentsonline: US, EP, JP, PCT patents FreshPatents.com: US patents Get the Patent: US, EP, WO search Google US patents IPEXL: CN, TW, HK, SG, JP, KR, PCT, US, EP, UK, CA IP Newsflash EP Search ipXnase Cross-lingual patent search Uppdragshuset: Nordic (DK, FI, NO, SE) Patents OTI.com worldwide patent search ParkerIP: Search in USPTO and Esp@cenet Database PatentAnalysis: INPADOC, US, EP, WO, AU, NZ patent search Patent Cat ...