Maintenance fees coming due
65 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 30, 2026. Unpaid by Jun 1, 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 11,662,236 | Sensor Package with Ingress Protection In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 · High confidence | Knowles Electronics, LLC. | In force | Nov 30, 2026 | Jun 1, 2027 | High confidence | |
| US 10,313,796 | Vad Detection Microphone and Method of Operating the Same In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · Medium confidence | Knowles Electronics, LLC | In force | Dec 4, 2026 | Jun 4, 2027 | Medium confidence | |
| US 11,671,764 | Can Thickness and Material Combinations for Improved Radio-Frequency Microphone Performance In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Knowles Electronics, LLC | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 11,671,766 | Microphone Device with Ingress Protection In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Knowles Electronics, LLC. | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 11,671,775 | Microphone Assembly with Transducer Sensitivity Drift Compensation and Electrical Circuit Therefor In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Knowles Electronics, LLC | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 11,671,778 | Acoustic Receivers with Multiple Diaphragms In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Knowles Electronics, LLC | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 10,315,912 | Microelectromechanical System Microphone In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 · High confidence | Knowles Electronics, LLC | In force | Dec 11, 2026 | Jun 11, 2027 | High confidence | |
| US 10,320,780 | Shared Secret Voice Authentication In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 · High confidence | Knowles Electronics, LLC | In force | Dec 11, 2026 | Jun 11, 2027 | High confidence | |
| US 11,683,648 | Acoustic Microphone with Integrated Magnetic Transducer In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 · High confidence | Knowles Electronics, LLC | In force | Dec 20, 2026 | Jun 21, 2027 | High confidence | |
| US 10,332,544 | Microphone and Corresponding Digital Interface In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 · High confidence | Knowles Electronics, LLC | In force | Dec 25, 2026 | Jun 25, 2027 | High confidence | |
| 55 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 65 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.