Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Feb 15, 2027. Unpaid by Aug 16, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5
and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the
six month grace period that follows.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 11,727,217 | Systems and Methods for Dynamic User Interaction for Improving Mental Health In force Fee due Feb 15, 2027 Lapses if unpaid Aug 16, 2027 · Medium confidence | Twill, Inc. | In force | Feb 15, 2027 | Aug 16, 2027 | Medium confidence | |
| US 11,779,270 | Systems and Methods for Training Artificially-Intelligent Classifier In force Fee due Apr 10, 2027 Lapses if unpaid Oct 12, 2027 · Medium confidence | Twill, Inc. | In force | Apr 10, 2027 | Oct 12, 2027 | Medium confidence |
2 of 2 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.