37 CFR 1.317
Lapsed patents; delayed payment of balance of issue fee.

This document contains one section of Chapter 37 of the Code of Federal Regulations. This page was last updated in November, 2005. You may return to the main 37 CFR Index, or to the index for one of the follow parts:

part 1 (patents);
part 2 (trademarks);
part 3 (assignments);
part 10 (representation); or
part 200+ (copyrights).

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§1.317 Lapsed patents; delayed payment of balance of issue fee.

If the issue fee paid is the amount specified in the notice of allowance, but a higher amount is required at the time the issue fee is paid, any remaining balance of the issue fee is to be paid within three months from the date of notice thereof and, if not paid, the patent will lapse at the termination of the three-month period.