What are the main differences between AIA and pre-AIA patent laws?
The America Invents Act (AIA) introduced significant changes to U.S. patent law. While MPEP 2159 focuses on the applicability of these changes, it’s important to understand the main differences between AIA and pre-AIA laws: First-Inventor-to-File vs. First-to-Invent: AIA introduced the first-inventor-to-file system, replacing the pre-AIA first-to-invent system. Prior Art: AIA expanded the definition of prior…
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