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How can I lookup the next patent maintenance fee due on a patent? For example, I need to know when the fee is due for number 7833190. Where do I look?

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  • I’m voting to close this question because it is about one specific patent with no value for anyone else.
    – user18033
    Aug 6, 2020 at 21:19

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You can find this out on the US Public Pair site. According to Pair, your next fee first day to pay date is 11/16/2021. The surcharge date is 05/17/2022 and your last day to pay date is 11/16/2022.

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