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Date: 2014-05-20 12:53:05Property law Prior art Patent Interference proceeding United States patent law Business method patent First to file and first to invent United States Patent and Trademark Office Invention of the telephone Patent law Law Civil law | The Paper Trail of Knowledge Transfers By Jeffrey Lin W hy do firms and inventors tend to locate in dense, costlyAdd to Reading ListSource URL: www.philadelphiafed.orgDownload Document from Source WebsiteFile Size: 257,85 KBShare Document on Facebook |