What are the requirements for establishing an actual reduction to practice?
To establish an actual reduction to practice, an inventor must meet a two-prong test as described in MPEP 2138.05: The inventor must have constructed an embodiment or performed a process that meets every element of the patent claim. The embodiment or process must have operated for its intended purpose. As stated in the MPEP: “In…
Read MoreHow does pre-AIA 35 U.S.C. 102(g) relate to ex parte rejections?
Pre-AIA 35 U.S.C. 102(g) can form the basis for an ex parte rejection under certain conditions. The MPEP states: Pre-AIA 35 U.S.C. 102(g) may form the basis for an ex parte rejection if: (1) the subject matter at issue has been actually reduced to practice by another before the inventor’s invention; and (2) there has…
Read MoreHow does constructive reduction to practice differ from actual reduction to practice?
Constructive reduction to practice differs from actual reduction to practice in several key ways: Filing vs. Physical Creation: Constructive reduction occurs when a patent application is filed, while actual reduction requires physically creating and testing the invention. Evidence Requirements: For constructive reduction, the patent application must meet the requirements of 35 U.S.C. 112(a), including enablement…
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