What is the “Window Period” for patent maintenance fee payments?
The “Window Period” for patent maintenance fee payments refers to the specific timeframe during which these fees can be paid without incurring late fees or risking patent expiration. According to MPEP 2575: “The ‘window period’ is the period of time at the end of the full term of a patent during which the maintenance fee…
Read MoreWhen can maintenance fees for utility patents be paid?
Maintenance fees for utility patents can be paid during specific time periods as outlined in MPEP 2506: Window Period: Fees can be paid without surcharge during the 6-month periods preceding each due date, as defined in 35 U.S.C. 41(b). Grace Period: Fees can be paid with a surcharge during the 6-month periods immediately following each…
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