47 CFR § 1.10005
What is IBFS?
February 16, 2021
(a) The International Bureau Filing System (IBFS) is a database, application filing system, and processing system for all International and Satellite Services. IBFS supports electronic filing of many applications and related documents in the International Bureau, and provides public access to this information.
(b) We maintain applications, notifications, correspondence, and other materials filed electronically with the International Bureau in IBFS.