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The following information is offered for the purpose of preliminary information gathering, or to research patent procedures.  Official patent searching is done through the MIT Technology Licensing Office

Obtaining Copies of Patents

    The Library staff can obtain copies of patents for you; please contact us.
Patent Databases
    • U.S. Patent Office Databases: this database now offers all US patents issued since 1790, in the form of searchable patent numbers and current US classifications hyperlinked to full-page images of each page of each patent.

      In addition, the Full-Text Database now includes current US classifications (field name "CCL") in place of US classification at time of issue (field name "CLAS"). The current US classification will be updated every two months, in synchronization with PTO's Master Classification File (MCF).
    • U.S. Patent and Trademark Office : home page featuring patent & trademark information; downloadable form; fee information, statistics, etc.

    • Delphion (previously IBM Patent Site): access to full text of U.S. Patents over 1.4 million European Patent Office and World Intellectual Property Office patents and applications

    • STO's Internet Patent Search System (Source Translation Optimization): A great resource which addresses patent trends, with a focus on how to avoid common blunders