SIRCh: Selected Internet Resources for Chemistry Cambia's Patent Lens free and open public full text and biologicals patent search comprising USPTO, WO, EP, AU and INPADOC. Google Patents USPTO patent databases (bibliographic, citation, and full text data, 1976-) USPTO Patent Application Information Retrieval Search patent application status by patent number. USPTO Trademarks Page WIPO's PATENTSCOPE database (for international patent applications; front page data w/ drawings, 1997-) esp@cenet (has full pdf images of patents, including US) DEPATISnet (especially good for German patents) FreePatentsOnline Free Patent Searching from US 4000000. Updated as new patents are published by the USPTO. IP Newsflash Search for patent families based on INPADOC data. Delphion SurfIP (offers access to multiple patent and other sources; International Patent Office of Singapore) WikiPatents (a public community that reviews US patents and pending patent applications) Derwent MicroPatent Dialog Corporation Database list STN International STN Patent Forum STN Database List Questel Database Catalogs QPAT Paterra (machine translation of Japanese patent information) PharmaValet (integrates approved drugs and associated patent information from the US and Canada) US Patent Class Definitions and Classification Manual USPTO World Intellectual Property Organization (WIPO) International Classifications IPC ed. 7 (web) Derwent (Thomson): Coding and Classification Database Kind Codes (patent specification descriptors: "type" or "kind" codes) Patent Assignee/Company Codes Chemical Abstracts Service CAS Coverage of Patents Coverage of CA Basic Patents by Year (Country Code and Year List for Patent Countries Covered) Patent Kind Codes for CA Basic and Patent Family Members Netmark Country Codes Information About Patents (Thomson Reuters Derwent) What Every Chemist Should Know About Patents (Le-Nhung McLeland for the ACS) (version on the McLeland Web site) Understanding Intellectual Property WIPO Free Information Products U.S. Patent Number Guide (Michael White, Queen's University) Useful Links (European Patent Office) Patents (British Library) Intellectual Property Law: Patents (Yahoo) Patent Information Users' Group Patent Handout from the ACS CINF WORKSHOP: Teaching Chemical Information, August 18, 2002, Boston (Silvia Lee) Select Bibliography on Patents Patents (Swain Chemistry Library, Stanford University)
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