Maintenance fees coming due
122 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 21, 2026. Unpaid by May 21, 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 10,295,880 | Narrow Pre-Deposition Laser Deletion In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 · Medium confidence | View Operating Corporation | In force | Nov 21, 2026 | May 21, 2027 | Medium confidence | |
| US 11,654,659 | Mitigating Defects in an Electrochromic Device Under a Bus Bar In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 · High confidence | View Operating Corporation | In force | Nov 23, 2026 | May 24, 2027 | High confidence | |
| US 11,656,521 | Solar Power Dynamic Glass for Heating and Cooling Buildings In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 · High confidence | View Operating Corporation | In force | Nov 23, 2026 | May 24, 2027 | High confidence | |
| US 10,301,871 | Multi-Zone Ec Windows In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · Medium confidence | View Operating Corporation | In force | Nov 28, 2026 | May 28, 2027 | Medium confidence | |
| US 10,303,035 | Self-Contained Ec Igu In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · High confidence | View Operating Corporation | In force | Nov 28, 2026 | May 28, 2027 | High confidence | |
| US 11,668,990 | Fabrication of Electrochromic Devices In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · Medium confidence | View Operating Corporation | In force | Dec 6, 2026 | Jun 7, 2027 | Medium confidence | |
| US 11,668,991 | Controlling Transitions in Optically Switchable Devices In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | View Operating Corporation | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 11,668,992 | Commissioning Window Networks In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · Medium confidence | View Operating Corporation | In force | Dec 6, 2026 | Jun 7, 2027 | Medium confidence | |
| US 11,670,833 | Window Antennas In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | View Operating Corporation | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 10,320,231 | Wireless Powered Electrochromic Windows In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 · High confidence | View Operating Corporation | In force | Dec 11, 2026 | Jun 11, 2027 | High confidence | |
| 112 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 122 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.