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Maintenance fees coming due

Dirtt Environmental Solutions, Ltd.

28 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 28, 2026. Unpaid by May 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.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 10,301,821Reconfigurable Wall System
In force
Fee due Nov 28, 2026
Lapses if unpaid May 28, 2027
 · High confidence
Dirtt Environmental Solutions, Ltd.In forceNov 28, 2026May 28, 2027High confidence
US 9,059,576Cable Consolidation Boxes and Systems
In force
Fee due Dec 16, 2026
Lapses if unpaid Jun 16, 2027
 · High confidence
Dirtt Environmental Solutions, Ltd.In forceDec 16, 2026Jun 16, 2027High confidence
US 9,084,489Modular Walls Incorporating Recessed, Extendable Furniture
In force
Fee due Jan 21, 2027
Lapses if unpaid Jul 21, 2027
 · High confidence
Dirtt Environmental Solutions, Ltd.In forceJan 21, 2027Jul 21, 2027High confidence
US 9,095,990Method for wrapping a non-porous substrate object with a wood veneer
In force
Fee due Feb 4, 2027
Lapses if unpaid Aug 4, 2027
 · High confidence
Dirtt Environmental Solutions Ltd.In forceFeb 4, 2027Aug 4, 2027High confidence
US 10,400,448Reconfigurable Wall Panels
In force
Fee due Mar 3, 2027
Lapses if unpaid Sep 3, 2027
 · High confidence
Dirtt Environmental Solutions, Ltd.In forceMar 3, 2027Sep 3, 2027High confidence
US 10,467,814Mixed-Reality Architectural Design Environment
In force
Fee due May 5, 2027
Lapses if unpaid Nov 5, 2027
 · High confidence
Armstrong World Industries, Inc.In forceMay 5, 2027Nov 5, 2027High confidence
US 10,470,560Slidable Furniture with In-Wall Mounting System
In force
Fee due May 12, 2027
Lapses if unpaid Nov 12, 2027
 · High confidence
Dirtt Environmental Solutions Inc.In forceMay 12, 2027Nov 12, 2027High confidence
US 9,189,571Automated Re-Use of Structural Components
In force
Fee due May 17, 2027
Lapses if unpaid Nov 17, 2027
 · High confidence
Armstrong World Industries, Inc.In forceMay 17, 2027Nov 17, 2027High confidence
US 9,194,121Tangential Non-Dimensional Interface Module
In force
Fee due May 24, 2027
Lapses if unpaid Nov 24, 2027
 · High confidence
Dirtt Environmental Solutions, Ltd.In forceMay 24, 2027Nov 24, 2027High confidence
US 9,206,612Trim Connection Systems and Methods
In force
Fee due Jun 8, 2027
Lapses if unpaid Dec 8, 2027
 · High confidence
Dirtt Environmental Solutions, Ltd.In forceJun 8, 2027Dec 8, 2027High confidence
18 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro
10 of 28 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.
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited