What are the criteria for a “materially different” process or use in patent restrictions?

The criteria for a “materially different” process or use in patent restrictions are not explicitly defined in the MPEP. However, based on MPEP 806.05(i), we can infer that a process or use is considered materially different if it significantly changes the nature of the invention or its application. Key points to consider: The difference should…

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What restrictions apply to USPTO employees regarding patents?

USPTO employees are subject to several restrictions regarding patents: They cannot apply for a patent during their employment and for one year after. They cannot acquire any patent or interest in a patent, directly or indirectly, except through inheritance or bequest, during employment and for one year after. For patents applied for after the one-year…

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