Can post-filing date evidence be used to determine enablement or written description?

No, post-filing date evidence cannot be used to determine enablement or written description under 35 U.S.C. 112(a). The MPEP 2124 clearly states: “It is impermissible to use a later factual reference showing the state of the art existing after the effective filing date of the application to determine whether the application is enabled or described…

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How do changes in portability, integration, or separation of parts affect patentability?

Changes in portability, integration, or separation of parts are generally considered obvious modifications unless they produce unexpected results or solve a specific problem. According to MPEP 2144.04, these changes often fall under routine engineering choices. Portability: “Fact that a claimed device is portable or movable is not sufficient by itself to patentably distinguish over an…

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How does the Patent Law Treaties Implementation Act (PLTIA) affect provisional application benefits?

The Patent Law Treaties Implementation Act (PLTIA) has introduced important changes regarding the benefit claims for provisional applications. According to MPEP 2133.02(a): “Effective December 18, 2013, title II of the Patent Law Treaties Implementation Act (PLTIA) provides for restoration of the right to claim benefit of a provisional application filed after the expiration of the…

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What is the significance of the Phillips v. AWH Corp. case in claim interpretation?

The Phillips v. AWH Corp. case is a landmark decision that significantly impacts claim interpretation in patent examination and litigation. MPEP 2111 states: “The Federal Circuit’s en banc decision in Phillips v. AWH Corp., 415 F.3d 1303, 1316, 75 USPQ2d 1321, 1329 (Fed. Cir. 2005) expressly recognized that the USPTO employs the ‘broadest reasonable interpretation’…

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