Maintenance fees coming due
96 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 16, 2026. Unpaid by May 17, 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 11,648,842 | Plug Connector Part Having a Sensor Device Arranged on Contact Lamellae of a Contact Element In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 · High confidence | Phoenix Contact e-Mobility GmbH | In force | Nov 16, 2026 | May 17, 2027 | High confidence | |
| US 11,649,524 | Noble Metal Extraction Method and Apparatus In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 · High confidence | Phoenix Tailings Inc. | In force | Nov 16, 2026 | May 17, 2027 | High confidence | |
| US 10,295,152 | LED Lamp In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 · High confidence | Phoenix Electric Co., Ltd. | In force | Nov 21, 2026 | May 21, 2027 | High confidence | |
| US 11,657,915 | System and Methods for Asset Tracking In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 · High confidence | Phoenix Children's Hospital, Inc. | In force | Nov 23, 2026 | May 24, 2027 | High confidence | |
| US 11,658,104 | Intermediate Substrate and Fabrication Method Thereof In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 · High confidence | Phoenix Pioneer Technology Co., Ltd. | In force | Nov 23, 2026 | May 24, 2027 | High confidence | |
| US 10,304,750 | Package Structure and Its Fabrication Method In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · High confidence | Phoenix Pioneer Technology Co., Ltd. | In force | Nov 28, 2026 | May 28, 2027 | High confidence | |
| US 11,662,485 | Neutron Imaging Systems and Methods In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 · High confidence | Phoenix LLC | In force | Nov 30, 2026 | Jun 1, 2027 | High confidence | |
| US 10,307,450 | Method of Treating Neurological Conditions with Extract of Nerium Species or Thevetia Species In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · Medium confidence | Phoenix Biotechnology, Inc. | In force | Dec 4, 2026 | Jun 4, 2027 | Medium confidence | |
| US 11,666,283 | System and Method for Cortical Mapping Without Direct Cortical Stimulation and with Little Required Communication In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Phoenix Children's Hospital, Inc. | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 9,062,607 | Method of Operating a Gas Turbine Power Plant and Gas Turbine Power Plant In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 · High confidence | Phoenix Biopower AB | In force | Dec 23, 2026 | Jun 23, 2027 | High confidence | |
| 86 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 96 patents shown. Soonest fee due date first, then patent number.
Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.