Maintenance fees coming due

Alstom Technology Ltd.

20 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 9, 2026. Unpaid by Jun 9, 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 9,054,532	Dispatching Vehicle-To-Grid Ancillary Services with Discrete Switching Alstom Technology Ltd. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Jun 21, 2033 · High confidence	Alstom Technology Ltd.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Jun 21, 2033	High confidence
US 9,071,190	Actuation Control and Control Method, Particularly for Electrical Disconnectors Alstom Technology Ltd. In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Term ends Feb 4, 2031 · High confidence	Alstom Technology Ltd.	In force	Dec 30, 2026	Jun 30, 2027	Term ends Feb 4, 2031	High confidence
US 9,093,840	System Tools for Integrating Individual Load Forecasts into a Composite Load Forecast to Present a Comprehensive Synchronized and Harmonized Load Forecast Alstom Technology Ltd. In force Fee due Jan 28, 2027 Lapses if unpaid Jul 28, 2027 Term ends Oct 6, 2031 · High confidence	Alstom Technology Ltd.	In force	Jan 28, 2027	Jul 28, 2027	Term ends Oct 6, 2031	High confidence
US 10,378,456	Method of Operating a Multi-Stage Flamesheet Combustor Ansaldo Energia Switzerland AG In force Fee due Feb 13, 2027 Lapses if unpaid Aug 13, 2027 Term ends Sep 9, 2036 · High confidence	Ansaldo Energia Switzerland AG	In force	Feb 13, 2027	Aug 13, 2027	Term ends Sep 9, 2036	High confidence
US 9,160,171	Pre-Processing of Data For Automatic Generation Control Alstom Technology Ltd. In force Fee due Apr 13, 2027 Lapses if unpaid Oct 13, 2027 Term ends May 3, 2034 · High confidence	Alstom Technology Ltd.	In force	Apr 13, 2027	Oct 13, 2027	Term ends May 3, 2034	High confidence
US 10,456,749	System for the Removal of Heat Stable Amine Salts from an Amine Absorbent General Electric Technology GmbH In force Fee due Apr 29, 2027 Lapses if unpaid Oct 29, 2027 Term ends Nov 25, 2031 · Medium confidence	General Electric Technology GmbH	In force	Apr 29, 2027	Oct 29, 2027	Term ends Nov 25, 2031	Medium confidence
US 9,202,641	Electrical Equipment Comprising A Mobile Part Having Improved Dynamics Alstom Technology Ltd. In force Fee due Jun 1, 2027 Lapses if unpaid Dec 1, 2027 Term ends Mar 29, 2032 · High confidence	Alstom Technology Ltd.	In force	Jun 1, 2027	Dec 1, 2027	Term ends Mar 29, 2032	High confidence
US 9,202,645	Switchgear for a Vacuum Circuit Breaker Comprising Locking Means Alstom Technology Ltd. In force Fee due Jun 1, 2027 Lapses if unpaid Dec 1, 2027 Term ends Apr 19, 2032 · High confidence	Alstom Technology Ltd.	In force	Jun 1, 2027	Dec 1, 2027	Term ends Apr 19, 2032	High confidence
US 9,208,976	Disconnector, Particularly of the Double-Break Double-Movement Type Alstom Technology Ltd. In force Fee due Jun 8, 2027 Lapses if unpaid Dec 8, 2027 Term ends Feb 16, 2032 · High confidence	Alstom Technology Ltd.	In force	Jun 8, 2027	Dec 8, 2027	Term ends Feb 16, 2032	High confidence
US 9,209,693	Control Circuit for DC Network to Maintain Zero Net Change in Energy Level Alstom Technology Ltd. In force Fee due Jun 8, 2027 Lapses if unpaid Dec 8, 2027 Term ends Nov 11, 2031 · High confidence	Alstom Technology Ltd.	In force	Jun 8, 2027	Dec 8, 2027	Term ends Nov 11, 2031	High confidence
10 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 20 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.