Maintenance fees coming due
7 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 25, 2026. Unpaid by Jun 25, 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 10,334,515 | Conveying Information Via Auxiliary Device Selection In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 · High confidence | Enk Wireless, Inc. | In force | Dec 25, 2026 | Jun 25, 2027 | High confidence | |
| US 11,765,646 | Systems/Methods of Carrier Aggregation In force Fee due Mar 19, 2027 Lapses if unpaid Sep 20, 2027 · Low confidence | Enk Wireless, Inc. | In force | Mar 19, 2027 | Sep 20, 2027 | Low confidence | |
| US 11,778,432 | Systems/Methods of Improving Vehicular Safety In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 · High confidence | Enk Wireless, Inc. | In force | Apr 3, 2027 | Oct 4, 2027 | High confidence | |
| US 11,889,408 | Systems/Methods of Mode Variability Responsive to a Size of Data to Be Transmitted In force Fee due Jul 30, 2027 Lapses if unpaid Jan 31, 2028 · Low confidence | Enk Wireless, Inc. | In force | Jul 30, 2027 | Jan 31, 2028 | Low confidence | |
| US 10,595,267 | Conveying Information Via Auxiliary Device Selection In force Fee due Sep 17, 2027 Lapses if unpaid Mar 17, 2028 · High confidence | Enk Wireless, Inc. | In force | Sep 17, 2027 | Mar 17, 2028 | High confidence | |
| US 11,937,176 | Systems/Methods of an Auxiliary Device Functioning in Cooperation with a Destination Device In force Fee due Sep 19, 2027 Lapses if unpaid Mar 20, 2028 · Medium confidence | Enk Wireless, Inc. | In force | Sep 19, 2027 | Mar 20, 2028 | Medium confidence | |
| US 11,974,217 | Systems/Methods of Frequency Variability Responsive to a Size of Data to Be Transmitted In force Fee due Oct 30, 2027 Lapses if unpaid May 1, 2028 · Low confidence | Enk Wireless, Inc. | In force | Oct 30, 2027 | May 1, 2028 | Low confidence |
7 of 7 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.