U.S. Patent Act
..Part I. Patent and Trademark Office
....Chapt. 2. Proceedings in the Patent and Trademark Office
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Any document to be filed in the Patent and Trademark Office and which is required by any law, rule, or other regulation to be executed in a specified manner may be provisionally accepted by the Commissioner despite a defective execution, provided a properly executed document is submitted within such time as may be prescribed.
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