Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Aug 11, 2027. Unpaid by Feb 11, 2028, 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 10,556,034 | Switchable Digital Scent Generation and Release, and Vapor and Liquid Delivery Methods and Systems In force Fee due Aug 11, 2027 Lapses if unpaid Feb 11, 2028 · High confidence | Sensable Technologies LLC | In force | Aug 11, 2027 | Feb 11, 2028 | High confidence | |
| US 10,556,035 | Switchable Gas and Liquid Release and Delivery Devices, Systems, and Methods In force Fee due Aug 11, 2027 Lapses if unpaid Feb 11, 2028 · High confidence | Sensable Technologies LLC | In force | Aug 11, 2027 | Feb 11, 2028 | High 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.