Maintenance fees coming due
16 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 20, 2026. Unpaid by Jun 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 11,680,656 | Mixing Cartridge Having a Vortex Element In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 · High confidence | Grohe AG | In force | Dec 20, 2026 | Jun 21, 2027 | High confidence | |
| US 10,329,746 | Plumbing Fitting Having a Hose Connection Fastened with a Clamp In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 · High confidence | Grohe AG | In force | Dec 25, 2026 | Jun 25, 2027 | High confidence | |
| US 9,067,222 | Spray Forming Element for a Shower Head In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 · High confidence | Grohe AG | In force | Dec 30, 2026 | Jun 30, 2027 | High confidence | |
| US 9,068,329 | Jet Regulator In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 · High confidence | Grohe AG | In force | Dec 30, 2026 | Jun 30, 2027 | High confidence | |
| US 10,337,176 | Plumbing Fitting Having a Water-Conducting Hose In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 · High confidence | Grohe AG | In force | Jan 2, 2027 | Jul 2, 2027 | High confidence | |
| US 9,138,755 | Showerhead or Hand Shower In force Fee due Mar 22, 2027 Lapses if unpaid Sep 22, 2027 · High confidence | Grohe AG | In force | Mar 22, 2027 | Sep 22, 2027 | High confidence | |
| US 9,138,756 | Showerhead or Hand Shower In force Fee due Mar 22, 2027 Lapses if unpaid Sep 22, 2027 · High confidence | Grohe AG | In force | Mar 22, 2027 | Sep 22, 2027 | High confidence | |
| US 11,796,072 | Mixing Cartridge with Wedge-Shaped Vertebral Bodies In force Fee due Apr 24, 2027 Lapses if unpaid Oct 25, 2027 · High confidence | Grohe AG | In force | Apr 24, 2027 | Oct 25, 2027 | High confidence | |
| US 10,458,567 | Process Medium-Controlled Regulating Valve In force Fee due Apr 29, 2027 Lapses if unpaid Oct 29, 2027 · High confidence | Grohe AG | In force | Apr 29, 2027 | Oct 29, 2027 | High confidence | |
| US 11,821,541 | Valve for a Sanitary Faucet Having a Diaphragm Valve and an Adjustable Control Rod In force Fee due May 21, 2027 Lapses if unpaid Nov 22, 2027 · High confidence | Grohe AG | In force | May 21, 2027 | Nov 22, 2027 | High confidence | |
| 6 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 16 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.