Maintenance fees coming due

Rolls-Royce plc

776 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 14, 2026. Unpaid by May 14, 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 10,287,654	Ni-Base Alloy for Structural Applications Rolls-Royce PLC In force Fee due Nov 14, 2026 Lapses if unpaid May 14, 2027 Term ends Jul 11, 2037 · High confidence	Rolls-Royce PLC	In force	Nov 14, 2026	May 14, 2027	Term ends Jul 11, 2037	High confidence
US 9,034,527	Fuel Cell System and Desulfurization System Rolls-Royce PLC In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Nov 23, 2032 · High confidence	Rolls-Royce PLC	In force	Nov 19, 2026	May 19, 2027	Term ends Nov 23, 2032	High confidence
US 10,295,191	Gas Turbine Engine and Annular Combustor with Swirler Rolls-Royce Corporation In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Oct 21, 2034 · High confidence	Rolls-Royce Corporation	In force	Nov 21, 2026	May 21, 2027	Term ends Oct 21, 2034	High confidence
US 9,038,706	Casting of Internal Features Within a Product Rolls-Royce PLC In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Apr 25, 2032 · High confidence	Rolls-Royce PLC	In force	Nov 26, 2026	May 26, 2027	Term ends Apr 25, 2032	High confidence
US 9,039,376	Support Ring for a Rotary Assembly Rolls-Royce PLC In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Aug 20, 2034 · High confidence	Rolls-Royce PLC	In force	Nov 26, 2026	May 26, 2027	Term ends Aug 20, 2034	High confidence
US 9,039,379	Retention Device for a Composite Blade of a Gas Turbine Engine Rolls-Royce PLC In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Sep 21, 2033 · High confidence	Rolls-Royce PLC	In force	Nov 26, 2026	May 26, 2027	Term ends Sep 21, 2033	High confidence
US 10,301,942	Aerofoil Rolls-Royce PLC In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Aug 17, 2037 · High confidence	Rolls-Royce PLC	In force	Nov 28, 2026	May 28, 2027	Term ends Aug 17, 2037	High confidence
US 10,301,955	Seal Assembly For Gas Turbine Engine Components Rolls-Royce North American Technologies, Inc. and Rolls-Royce Corporation In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends May 6, 2037 · High confidence	Rolls-Royce North American Technologies, Inc. and Rolls-Royce Corporation	In force	Nov 28, 2026	May 28, 2027	Term ends May 6, 2037	High confidence
US 10,302,342	Charge Control System for Trans-Critical Vapor Cycle Systems Rolls-Royce Corporation In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Nov 2, 2034 · High confidence	Rolls-Royce Corporation	In force	Nov 28, 2026	May 28, 2027	Term ends Nov 2, 2034	High confidence
US 10,303,827	Predicting Cracking in Cooled Metal or Alloy Components Rolls-Royce Corporation In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Nov 26, 2036 · High confidence	Rolls-Royce Corporation	In force	Nov 28, 2026	May 28, 2027	Term ends Nov 26, 2036	High confidence
766 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 776 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.