35 U.S. Code § 26 - Effect of defective execution
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 Director despite a defective execution, provided a properly executed document is submitted within such time as may be prescribed.
1975—Pub. L. 93–596 substituted “Patent and Trademark Office” for “Patent Office”.
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