Manual of Patent Examining Procedure, Ninth Edition, Revision of June 2020

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The United States Patent and Trademark Office (USPTO or Office) issued a revision of the ninth edition of the Manual of Patent Examining Procedure (MPEP), published in June 2020, to provide updated information on patent examination policy and procedure (June 2020 revision). The MPEP provides patent examiners and the public with a reference work on the practices and procedures relative to the prosecution of patent applications and other proceedings before the USPTO. The MPEP contains instructions to examiners, as well as other material on the nature of information and interpretation, and outlines the current procedures that examiners are required or authorized to follow in the normal examination of patent applications and during other Office proceedings.