Maintenance fees coming due

Red Hat, Inc.

723 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 16, 2026. Unpaid by May 17, 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 11,650,961	Managing Replica Unavailibility in a Distributed File System Red Hat, Inc. In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 Term ends Apr 20, 2040 · High confidence	Red Hat, Inc.	In force	Nov 16, 2026	May 17, 2027	Term ends Apr 20, 2040	High confidence
US 9,038,062	Registering and Accessing Virtual Systems for Use in a Managed System Red Hat, Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Ends no later than Dec 1, 2028 · Medium confidence	Red Hat, Inc.	In force	Nov 19, 2026	May 19, 2027	Ends no later than Dec 1, 2028	Medium confidence
US 9,038,154	Token Registration Red Hat, Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Dec 30, 2030 · High confidence	Red Hat, Inc.	In force	Nov 19, 2026	May 19, 2027	Term ends Dec 30, 2030	High confidence
US 10,296,588	Build of Material Production System Red Hat, Inc. In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Jan 13, 2031 · High confidence	Red Hat, Inc.	In force	Nov 21, 2026	May 21, 2027	Term ends Jan 13, 2031	High confidence
US 11,656,891	Copy-On-Write for Virtual Machines with Encrypted Storage Red Hat, Inc. In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Apr 14, 2040 · High confidence	Red Hat, Inc.	In force	Nov 23, 2026	May 24, 2027	Term ends Apr 14, 2040	High confidence
US 11,658,982	Efficient Authentication in a File System with Multiple Security Groups Red Hat, Inc. In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Jun 26, 2040 · High confidence	Red Hat, Inc.	In force	Nov 23, 2026	May 24, 2027	Term ends Jun 26, 2040	High confidence
US 9,043,784	Management of Inter-Dependent Configurations of Virtual Machines in a Cloud Red Hat Inc. In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Apr 25, 2032 · High confidence	Red Hat Inc.	In force	Nov 26, 2026	May 26, 2027	Term ends Apr 25, 2032	High confidence
US 10,303,482	Dynamic Processor Frequency Selection Red Hat, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Apr 19, 2037 · High confidence	Red Hat, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Apr 19, 2037	High confidence
US 10,303,531	Console Application Through Web Service Red Hat, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Sep 26, 2035 · High confidence	Red Hat, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Sep 26, 2035	High confidence
US 10,305,753	Supplementing Log Messages with Metadata Red Hat, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Apr 25, 2037 · High confidence	Red Hat, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Apr 25, 2037	High confidence
713 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 723 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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