How does a provisional application affect the critical reference date under pre-AIA 35 U.S.C. 102(e)?

A provisional application can affect the critical reference date under pre-AIA 35 U.S.C. 102(e) if certain conditions are met. The MPEP states: “The critical reference date under pre-AIA 35 U.S.C. 102(e) of a U.S. patent, a U.S. patent application publication, as well as an international application publication having prior art effect under pre-AIA 35 U.S.C.…

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What is the critical reference date for a U.S. patent or patent application publication?

The critical reference date for a U.S. patent or patent application publication under 35 U.S.C. 102(e) as amended by the American Inventors Protection Act of 1999 (AIPA) (pre-AIA) is the earliest effective U.S. filing date. This is stated in MPEP 2136.03: “The critical reference date of a U.S. patent or patent application publication under pre-AIA…

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What is the critical reference date for international applications?

For international applications, the critical reference date depends on whether the international application was filed before or on/after November 29, 2000. MPEP 2136.03 provides specific guidance: “If the international application has an international filing date prior to November 29, 2000, the international application was not published under 35 U.S.C. 122(b) by WIPO. Any U.S. patent…

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How does the AIPA affect the critical reference date for continuations and divisionals?

The American Inventors Protection Act of 1999 (AIPA) has a significant impact on the critical reference date for continuations and divisionals. According to MPEP 2136.03: “The AIPA amended 35 U.S.C. 102(e) to eliminate the reference to the date of invention. The critical reference date of a U.S. patent or patent application publication under pre-AIA 35…

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How does the AIA affect the critical reference date?

The America Invents Act (AIA) significantly changed the determination of the critical reference date for U.S. patents and patent application publications. MPEP 2136.03 explains: “AIA 35 U.S.C. 102(d) provides that if the U.S. patent, U.S. patent application publication, or WIPO published application names another inventor and was effectively filed before the effective filing date of…

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