Maintenance fees coming due
12 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 27, 2026. Unpaid by Jun 28, 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 11,686,089 | Enclosure Assembly Apparatus and Method for Forming Same In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · High confidence | Knoll, Inc. | In force | Dec 27, 2026 | Jun 28, 2027 | High confidence | |
| US 10,390,611 | Privacy Screen Table Connection Mechanism In force Fee due Feb 27, 2027 Lapses if unpaid Aug 27, 2027 · High confidence | Knoll, Inc. | In force | Feb 27, 2027 | Aug 27, 2027 | High confidence | |
| US 11,746,523 | Noise Reduction Apparatus and Method of Making and Using the Same In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 · High confidence | Knoll, Inc. | In force | Mar 5, 2027 | Sep 7, 2027 | High confidence | |
| US 10,405,657 | Bracket Mechanism for Pre-Fabricated Office Enclosure Beams and Method of Using the Same In force Fee due Mar 10, 2027 Lapses if unpaid Sep 10, 2027 · High confidence | Knoll, Inc. | In force | Mar 10, 2027 | Sep 10, 2027 | High confidence | |
| US 10,413,063 | Table Connection Mechanism and Method of Using the Same In force Fee due Mar 17, 2027 Lapses if unpaid Sep 17, 2027 · High confidence | Knoll, Inc. | In force | Mar 17, 2027 | Sep 17, 2027 | High confidence | |
| US 10,463,155 | Fastenerless Arm Pad Attachment Mechanism In force Fee due May 5, 2027 Lapses if unpaid Nov 5, 2027 · High confidence | Knoll, Inc. | In force | May 5, 2027 | Nov 5, 2027 | High confidence | |
| US 9,185,973 | Chair and a Method of Using the Chair In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 · High confidence | Knoll, Inc. | In force | May 17, 2027 | Nov 17, 2027 | High confidence | |
| US 10,485,346 | Chair Tilt Mechanism In force Fee due May 26, 2027 Lapses if unpaid Nov 26, 2027 · High confidence | Knoll, Inc. | In force | May 26, 2027 | Nov 26, 2027 | High confidence | |
| US 11,877,646 | Work Surface Attachment Mechanism, Article of Furniture, and Method of Making the Article of Furniture In force Fee due Jul 23, 2027 Lapses if unpaid Jan 24, 2028 · High confidence | Knoll, Inc. | In force | Jul 23, 2027 | Jan 24, 2028 | High confidence | |
| US 10,550,581 | Cork-Based Tile for Privacy Apparatuses and Method of Making and Using the Same In force Fee due Aug 4, 2027 Lapses if unpaid Feb 4, 2028 · High confidence | Knoll, Inc. | In force | Aug 4, 2027 | Feb 4, 2028 | High confidence | |
| 2 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 12 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.