What are ICFS file numbers?

(a) We assign file numbers to electronic applications in order to facilitate processing. (b) We only assign file numbers for administrative convenience; they do not mean that an application is acceptable for filing. (c) For a description of file number information, see The International Bureau Filing System File Number Format Public Notice, DA-04-568 (released February 27, 2004). [69 FR 29895, May 26, 2004, as amended at 88 FR 21437, Apr. 10, 2023]