If you have patents or trade secrets, this audit could save you from losing valuable rights. Utility patents require maintenance fees at 3.5 years, 7.5 years, and 11.5 years after grant.
If you don’t pay them, your patent expires and enters the public domain. Once it’s gone, you can’t get it back.
Check the status of all your granted patents on the USPTO website. Set calendar reminders for upcoming fees.

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