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Physics : Patents

This guide provides a starting point for research in Physics and Astronomy and related disciplines

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  • Espacenet
    European Patent Office (EPO). The database of the European Patent Office includes European Patents (EP), Patent Cooperation Treaty worldwide patents (WO) and Japanese patents (PAJ) and patent applications in their original language. Espacenet has information on more than 30 million patents.
  • Free Patents Online
    Now offers chemical search. Through entry of chemicals via SMILES, the patent database can be searched using normalized chemical formulas. Patents can be downloaded as PDF.
  • Google Patent Search
    Covers patents made available by the USPTO from the 1790s to the middle of 2006. Search the full text of U.S. patents from the Google Patent Search homepage, or visit the Advanced Patent Search page to search by various criteria including patent number, inventor, and filing date. Does not include patent applications, international patents, or U.S. patents issued over the last few months. Patents can be downloaded as a PDF.
  • U.S. Patent and Trademark Office (USPTO)
    USPTO provides General Information Concerning Patents and Basic Facts about Trademarks for researchers, inventors, and business people. Printable Patent and Trademark application forms are also available. Search the Patent Databases, and the Trademark Electronic Search System (TESS).