37 CFR 41.109: Access to and copies of Office records.

(a) Request for access or copies. Any request from a party for access to or copies of Office records directly related to a contested case must be filed with the Board. The request must precisely identify the records and in the case of copies include the appropriate fee set under § 1.19(b) of this title.

(b) Authorization of access and copies. Access and copies will ordinarily only be authorized for the following records:

(1) The application file for an involved patent;

(2) An involved application; and

(3) An application for which a party has been accorded benefit under subpart E of this part.

(c) Missing or incomplete copies. If a party does not receive a complete copy of a record within 21 days of the authorization, the party must promptly notify the Board.