Maintenance fees coming due
25 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 19, 2026. Unpaid by May 19, 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 9,032,690 | Insulation Element for a Flat Roof or a Flat Inclined Roof, Roofing System for a Flat Roof or a Flat Inclined Roof and Method for Producing an Insulation Element In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 · High confidence | Rockwool A/S | In force | Nov 19, 2026 | May 19, 2027 | High confidence | |
| US 11,690,332 | Method of Growing Plants In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 · High confidence | Rockwool A/S | In force | Jan 4, 2027 | Jul 6, 2027 | High confidence | |
| US 10,342,182 | Plant Growth System In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 · High confidence | Rockwool A/S | In force | Jan 9, 2027 | Jul 9, 2027 | High confidence | |
| US 10,370,285 | Man-Made Vitreous Fibres In force Fee due Feb 6, 2027 Lapses if unpaid Aug 6, 2027 · High confidence | Rockwool A/S | In force | Feb 6, 2027 | Aug 6, 2027 | High confidence | |
| US 11,725,385 | Acoustic Baffle Suspension System In force Fee due Feb 15, 2027 Lapses if unpaid Aug 16, 2027 · High confidence | Rockwool A/S | In force | Feb 15, 2027 | Aug 16, 2027 | High confidence | |
| US 9,115,025 | Aerogel Compositions and Methods of Making and Using Them In force Fee due Feb 25, 2027 Lapses if unpaid Aug 25, 2027 · High confidence | Rockwool A/S | In force | Feb 25, 2027 | Aug 25, 2027 | High confidence | |
| US 9,115,488 | Suspended Ceiling Grid Clip for Securing an Unopposed Cross Tee to a Main Runner In force Fee due Feb 25, 2027 Lapses if unpaid Aug 25, 2027 · High confidence | Rockwool A/S | In force | Feb 25, 2027 | Aug 25, 2027 | High confidence | |
| US 11,774,312 | Method for Testing and for an Inspection of a Functionality of an Insulation Work on Industrial Installations, Especially of an Insulation Surrounding a Pipe; System Comprising a Pipe Especially for Transport of Cooled Media, and Insulation for Such a Pipe In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 · High confidence | Rockwool A/S | In force | Apr 3, 2027 | Oct 4, 2027 | High confidence | |
| US 9,149,005 | Plant Growth System In force Fee due Apr 6, 2027 Lapses if unpaid Oct 6, 2027 · High confidence | Rockwool A/S | In force | Apr 6, 2027 | Oct 6, 2027 | High confidence | |
| US 9,163,342 | Method for Manufacturing a Mineral Fiber-Containing Element and Element Produced by That Method In force Fee due Apr 20, 2027 Lapses if unpaid Oct 20, 2027 · High confidence | Rockwool A/S | In force | Apr 20, 2027 | Oct 20, 2027 | High confidence | |
| 15 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 25 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.