Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Feb 27, 2027. Unpaid by Aug 27, 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 10,395,536 | Method and Apparatus for Parking Lot Metering In force Fee due Feb 27, 2027 Lapses if unpaid Aug 27, 2027 · High confidence | Liberty Plugins, Inc. | In force | Feb 27, 2027 | Aug 27, 2027 | High confidence | |
| US 11,878,598 | Method and Apparatus for Parking Lot Metering In force Fee due Jul 23, 2027 Lapses if unpaid Jan 24, 2028 · Medium confidence | Liberty Plugins, Inc. | In force | Jul 23, 2027 | Jan 24, 2028 | 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.