U.S. INTELLECTUAL PROPERTY OFFICES

• U.S. Patent and Trademark Office: The USPTO is an agency of the Department of Commerce.
• U.S. Patent Office Search: This resources permits users to search both granted U.S. patents and pending applications. These databases are intended for use by the general public. Patents issued from 1790 through 1975 are searchable only by patent number and current U.S. classifications. Patents issued from 1976 to present are searchable based upon a wide variety of searching options.
• U.S. Trademark Office Search: This resource permits users to search more than 3 million pending, registered, and dead federal trademarks. TESS is intended for use by the general public.
• U.S. Copyright Office: The Copyright Office is one of the major service units of the Library of Congress. The Copyright Office is also an office of record, where claims to copyright are registered and where documents relating to copyright may be recorded when the requirements of the copyright law are met. The Copyright Office furnishes information about the provisions of the copyright law and the procedures for making registration, explains the operations and practices of the Copyright Office, and reports on facts found in the public records of the Office.