Maintenance fees coming due
50 maintenance fees come due in the 12 months from Nov 14, 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 10,294,663 | Suspended Ceiling System, Securing Members, and Process of Installing a Suspended Ceiling System In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 · High confidence | Awi Licensing LLC | In force | Nov 21, 2026 | May 21, 2027 | High confidence | |
| US 10,294,664 | Mounting Hardware and Mounting System for Vertical Panels In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 · High confidence | Awi Licensing LLC | In force | Nov 21, 2026 | May 21, 2027 | High confidence | |
| US 9,038,326 | Ceiling System In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 · High confidence | Awi Licensing LLC | In force | Nov 26, 2026 | May 26, 2027 | High confidence | |
| US 10,309,104 | Ceiling System In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Awi Licensing LLC | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 11,667,812 | Soil and Dirt Repellent Powder Coatings In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · Medium confidence | Awi Licensing LLC | In force | Dec 6, 2026 | Jun 7, 2027 | Medium confidence | |
| US 11,668,091 | Acoustical Building Panel, Monolithic Surface Covering System Incorporating an Acoustical Building Panel, and Methods of Forming and Installing the Same In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Awi Licensing LLC | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 11,679,922 | Sleeve Packaging In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 · High confidence | Awi Licensing LLC | In force | Dec 20, 2026 | Jun 21, 2027 | High confidence | |
| US 11,685,837 | Coating Composition In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · High confidence | Awi Licensing LLC | In force | Dec 27, 2026 | Jun 28, 2027 | High confidence | |
| US 10,352,041 | Scrim Attachment System In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 · High confidence | Awi Licensing LLC | In force | Jan 16, 2027 | Jul 16, 2027 | High confidence | |
| US 9,091,051 | Suspended Ceiling System, Securing Members, and Process of Installing a Suspended Ceiling System In force Fee due Jan 28, 2027 Lapses if unpaid Jul 28, 2027 · High confidence | Awi Licensing LLC | In force | Jan 28, 2027 | Jul 28, 2027 | High confidence | |
| 40 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 50 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.