Maintenance fees coming due
5 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 23, 2026. Unpaid by May 24, 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 11,658,382 | Antenna System In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 · High confidence | Parsec Technologies, Inc. | In force | Nov 23, 2026 | May 24, 2027 | High confidence | |
| US 11,664,574 | Emergency Portable Hot Spot with Antennas Built into Cover In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 · High confidence | Parsec Technologies, Inc. | In force | Nov 30, 2026 | Jun 1, 2027 | High confidence | |
| US 11,688,947 | Radio Frequency Connectors, Omni-Directional Wifi Antennas, Omni-Directional Dual Antennas for Universal Mobile Telecommunications Service, and Related Devices, Systems, Methods, and Assemblies In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · High confidence | Parsec Technologies, Inc. | In force | Dec 27, 2026 | Jun 28, 2027 | High confidence | |
| US 11,909,090 | Antenna System In force Fee due Aug 20, 2027 Lapses if unpaid Feb 22, 2028 · High confidence | Parsec Technologies, Inc. | In force | Aug 20, 2027 | Feb 22, 2028 | High confidence | |
| US 11,936,094 | Antenna System In force Fee due Sep 19, 2027 Lapses if unpaid Mar 20, 2028 · High confidence | Parsec Technologies, Inc. | In force | Sep 19, 2027 | Mar 20, 2028 | High confidence |
5 of 5 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.