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United States Patent and Trademark Office (USPTO)

USPTO Patent Search — Search for for Issued Patents

USPTO Application Search — Search for for Published Patent Applications

Manual of Patent Examining Procedure Ninth Edition (March 2014) (MPEP)

Public PAIR — USPTO Patent Application Information Retrieval (PAIR). Retrieve and download information regarding patent application status.

TESS — USPTO Trademark Electronic Search System (TESS)

Trademark Manual of Examining Procedure July 2015 (TMEP) — U.S. Copyright Office (USCO)

Copyright Search Records — search for U.S. Copyright record registrations


WIPO — World Intellectual Property Organization


European Patent Office (EPO)

Espacenet Patent search — provides free search of a worldwide database of over 90 million patents


U.S. Courts — provides information about the U.S. Federal Courts and Judicial Branch of the U.S. Government

Public Access to Court Electronic Records (PACER) — an electronic public access service that allows users to obtain case and docket information online from federal appellate, district, and bankruptcy courts, and the PACER Case Locator.