Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Mar 5, 2027. Unpaid by Sep 7, 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 11,751,123 | Context-Aware Mobile Device Management In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 · High confidence | Cellcontrol, Inc. | In force | Mar 5, 2027 | Sep 7, 2027 | High confidence | |
| US 11,778,436 | Systems, Methods, and Devices for Enforcing Do Not Disturb Functionality on Mobile Devices In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 · High confidence | Cellcontrol, Inc. | In force | Apr 3, 2027 | Oct 4, 2027 | High confidence | |
| US 11,778,538 | Context-Aware Mobile Device Management In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 · High confidence | Cellcontrol, Inc. | In force | Apr 3, 2027 | Oct 4, 2027 | High confidence | |
| US 11,856,505 | Managing Ios-Based Mobile Communication Devices by Creative Use of Callkit API Protocols In force Fee due Jun 26, 2027 Lapses if unpaid Dec 27, 2027 · High confidence | Cellcontrol, Inc. | In force | Jun 26, 2027 | Dec 27, 2027 | High confidence |
4 of 4 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.