Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 15, 2026, the next on May 24, 2027. Unpaid by Nov 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 9,194,750 | Infra-Red Imager In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 · Medium confidence | Semiconductor Devices Ltd. | In force | May 24, 2027 | Nov 24, 2027 | Medium confidence | |
| US 9,215,386 | Detector Pixel Signal Readout Circuit Using an Ac Signal Component in Implementing an Event Detection Mode per Pixel In force Fee due Jun 15, 2027 Lapses if unpaid Dec 15, 2027 · High confidence | Semiconductor Devices Ltd. | In force | Jun 15, 2027 | Dec 15, 2027 | High confidence | |
| US 10,573,675 | Dual Band Photodetector and a Method Thereof In force Fee due Aug 25, 2027 Lapses if unpaid Feb 25, 2028 · High confidence | Semiconductor Devices Ltd. | In force | Aug 25, 2027 | Feb 25, 2028 | High confidence | |
| US 10,644,061 | Photodetector-Arrays and Methods of Fabrication Thereof In force Fee due Nov 5, 2027 Lapses if unpaid May 5, 2028 · High confidence | Semiconductor Devices Ltd. | In force | Nov 5, 2027 | May 5, 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.