Maintenance fees coming due
181 maintenance fees come due in the 12 months from Nov 15, 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 11,649,943 | Light Fixture In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 · High confidence | Kohler Co. | In force | Nov 16, 2026 | May 17, 2027 | High confidence | |
| US 9,032,560 | Multi-Flush Mode Toilet In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 · High confidence | Kohler Co. | In force | Nov 19, 2026 | May 19, 2027 | High confidence | |
| US 9,032,565 | Touchless Faucet Assembly and Method of Operation In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 · High confidence | Kohler Co. | In force | Nov 19, 2026 | May 19, 2027 | High confidence | |
| US 9,045,888 | Toilet Flushing Assembly and Sequence In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · High confidence | Kohler Co. | In force | Dec 2, 2026 | Jun 2, 2027 | High confidence | |
| US 9,045,890 | Pressure toilet with bulk loading siphon assist In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · High confidence | Kohler Co. | In force | Dec 2, 2026 | Jun 2, 2027 | High confidence | |
| US 11,666,931 | Inline Shower Device In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Kohler Co. | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 11,668,085 | Rim Jet Nozzle System for Toilets In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Kohler Co. | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 9,051,722 | Multi-Spray Bidet In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 · High confidence | Kohler Co. | In force | Dec 9, 2026 | Jun 9, 2027 | High confidence | |
| US 11,674,296 | Quick-Coupling Mechanism for Toilet and Method of Using Same In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 · High confidence | Kohler Co. | In force | Dec 13, 2026 | Jun 14, 2027 | High confidence | |
| US 11,674,298 | Clean Toilet and Accessories In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 · Medium confidence | Kohler Co. | In force | Dec 13, 2026 | Jun 14, 2027 | Medium confidence | |
| 171 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 181 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.