provisional application
An application that can be filed up to a year before the patent application itself, in order to establish a date for prior art and constructive reduction to practice.
? The PPA must include a full description of the invention, but claims, drawings, and prior-art disclosures are not required. ¡ª Abbr. PPA.
¡ª Also termed provisional patent application. [Cases: Patents 98. C.J.S. Patents ¡ì¡ì 137¨C139.]
How do Chinese legal professionals usually express the term provisional application?
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