Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jul 9, 2027. Unpaid by Jan 10, 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 11,864,913 | Communication Devices, Methods, and Systems In force Fee due Jul 9, 2027 Lapses if unpaid Jan 10, 2028 · High confidence | Datafeel Inc. | In force | Jul 9, 2027 | Jan 10, 2028 | High confidence | |
| US 11,864,914 | Communication Devices, Methods, and Systems In force Fee due Jul 9, 2027 Lapses if unpaid Jan 10, 2028 · High confidence | Datafeel Inc. | In force | Jul 9, 2027 | Jan 10, 2028 | High confidence | |
| US 11,931,174 | Communication Devices, Methods, and Systems In force Fee due Sep 19, 2027 Lapses if unpaid Mar 20, 2028 · High confidence | Datafeel Inc. | In force | Sep 19, 2027 | Mar 20, 2028 | High confidence | |
| US 11,934,583 | Wearable Data Communication Apparatus, Kits, Methods, and Systems In force Fee due Sep 19, 2027 Lapses if unpaid Mar 20, 2028 · High confidence | Datafeel Inc. | In force | Sep 19, 2027 | Mar 20, 2028 | 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.