Maintenance fees coming due

Komatsu Ltd.

308 maintenance fees come due in the 12 months from Nov 15, 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 9,033,071	Hydraulic Excavator Komatsu Ltd. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Nov 27, 2032 · High confidence	Komatsu Ltd.	In force	Nov 19, 2026	May 19, 2027	Term ends Nov 27, 2032	High confidence
US 9,033,081	Work Vehicle Komatsu Ltd. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Mar 31, 2034 · High confidence	Komatsu Ltd.	In force	Nov 19, 2026	May 19, 2027	Term ends Mar 31, 2034	High confidence
US 9,033,095	Exhaust Treatment Unit, Manufacturing Method of Exhaust Treatment Unit, and Work Vehicle Komatsu Ltd. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Feb 15, 2033 · High confidence	Komatsu Ltd.	In force	Nov 19, 2026	May 19, 2027	Term ends Feb 15, 2033	High confidence
US 9,043,098	Display System of Excavating Machine and Excavating Machine Komatsu Ltd. In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Nov 30, 2032 · High confidence	Komatsu Ltd.	In force	Nov 26, 2026	May 26, 2027	Term ends Nov 30, 2032	High confidence
US 11,660,941	Cab for Work Machine, Work Machine, and Automatic Opening/Closing Device Komatsu Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 26, 2040 · High confidence	Komatsu Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 26, 2040	High confidence
US 11,661,724	Control System for Work Vehicle, Method, and Work Vehicle Komatsu Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Apr 13, 2040 · High confidence	Komatsu Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Apr 13, 2040	High confidence
US 11,661,725	Loading Machine Control Device and Control Method Komatsu Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Nov 20, 2039 · High confidence	Komatsu Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Nov 20, 2039	High confidence
US 11,661,726	Tooth Attachment Structure for Bucket and Tooth for Bucket Komatsu Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Sep 9, 2040 · High confidence	Komatsu Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Sep 9, 2040	High confidence
US 11,663,748	Display Control Device, Display Control System, and Display Control Method Komatsu Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 18, 2039 · High confidence	Komatsu Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 18, 2039	High confidence
US 11,663,891	Work Vehicle Periphery Monitoring System and Work Vehicle Periphery Monitoring Method Komatsu Ltd. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 12, 2039 · Medium confidence	Komatsu Ltd.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 12, 2039	Medium confidence
298 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 308 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.