(Open Access) Searches across a wide range of scholarly literature from academic publishers, professional societies, university repositories, and other scholarly websites.About Google Scholar
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(Open Access) U.S. patents (including utility, design, reissue, plant patents, and SIR documents) from 1790 to present, plus U.S. published patent applications from 2001 to present.About PATFT: Issued Patents / AppFT: Patent Applications
(Open Access) The United States Patent and Trademark Office (USPTO)’s database of registered trademarks and prior pending applications. Also includes available information on inactive applications and registrations.About Trademark Electronic Search System (TESS)