The USPTO has designated specific facsimile numbers for various offices to handle different types of correspondence. According to MPEP 502.01, some key facsimile numbers include: Central Facsimile Number (for most patent-related correspondence): (571) 273-8300 International Patent Legal Administration (for responses to Decisions on Petition): (571) 273-0459 Office of Data Management (for issue fee payments and…

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