Conception and reduction to practice of an invention. Also called "making an invention". Conception is the formation in the mind of the inventor of a definite and permanent idea of the invention. The reduction to practice may be a constructive reduction to practice (filing of a patent application containing sufficient disclosure to enable a person skilled in the art to make and use the invention) or an actual reduction to practice (making and testing the invention sufficiently to demonstrate to a person skilled in the art that it will work for its intented purpose). MPEP 2138.04, MPEP 2138.05, MPEP 2133.03(c), MPEP 2133.03(e)(3).
- Browse Related Terms: applicant, Completion of Invention, conception, Corroboration, Diligence, First to Invent, Indefiniteness, Inventor, Joint, Joint Invention, Non-Obviousness, Prima facie, Reduction to Practice, Actual, Reduction to Practice, Constructive, unpatentable, valid