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.]