The Manual of Patent Examining Procedure is maintained by the MPEP Staff, within the Office of Patent Examination Policy.
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What is the MPEP?
The Manual of Patent Examining Procedure or MPEP is published to provide U.S. Patent and Trademark Office (USPTO) patent examiners, applicants, attorneys, agents, and representatives of applicants with a reference work on the practices and procedures relative to the prosecution of patent applications before the USPTO. It contains instructions to examiners, as well as other material in the nature of information and interpretation, and outlines the current procedures which the examiners are required or authorized to follow in appropriate cases in the normal examination of a patent application.
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How may I obtain a copy of a prior edition or revision of the MPEP?
An archive of previous versions is available at: http://www.uspto.gov/web/offices/pac/mpep/old/index.htm.
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Please send communications via electronic mail to MPEPFeedback@uspto.gov.
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