DISCLOSURE DOCUMENT PROGRAM
Disclosure Document Program.Patents. A U.S. Patent and Trademark Office program
allowing an inventor to file a preliminary description of an invention and establish its date of
conception before applying for a patent. • The document can help establish a date of inventive
effort for use in a later interference. — Abbr. DDP. Cf. provisional application under PATENT
APPLICATION. [Cases: Patents 97. C.J.S. Patents §§ 135–138, 145, 178.] [Blacks Law 8th]