Maintenance fees coming due

Verisign, Inc.

83 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 21, 2026. Unpaid by May 21, 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 10,298,543	Real-Time Association of a Policy-Based Firewall with a Dynamic DNS Hostname Verisign, Inc. In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Jun 26, 2037 · High confidence	Verisign, Inc.	In force	Nov 21, 2026	May 21, 2027	Term ends Jun 26, 2037	High confidence
US 9,047,589	Hierarchical Publish and Subscribe System Verisign, Inc. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Jan 18, 2031 · High confidence	Verisign, Inc.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Jan 18, 2031	High confidence
US 9,049,229	Evaluation of DNS Pre-Registration Data to Predict Future DNS Traffic Verisign, Inc. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Aug 10, 2033 · High confidence	Verisign, Inc.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Aug 10, 2033	High confidence
US 9,053,320	Method of and Apparatus for Identifying Requestors of Machine-Generated Requests to Resolve a Textual Identifier Verisign, Inc. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Dec 22, 2030 · High confidence	Verisign, Inc.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Dec 22, 2030	High confidence
US 10,320,744	Systems, Devices, and Methods for Dynamic Allocation of Domain Name Acquisition Resources Verisign, Inc. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends May 3, 2037 · High confidence	Verisign, Inc.	In force	Dec 11, 2026	Jun 11, 2027	Term ends May 3, 2037	High confidence
US 9,058,381	Method of and Apparatus for Identifying Machine-Generated Textual Identifiers Verisign, Inc. In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends Mar 19, 2031 · High confidence	Verisign, Inc.	In force	Dec 16, 2026	Jun 16, 2027	Term ends Mar 19, 2031	High confidence
US 10,326,794	Anycast-Based Spoofed Traffic Detection and Mitigation Verisign, Inc. In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Apr 7, 2037 · High confidence	Verisign, Inc.	In force	Dec 18, 2026	Jun 21, 2027	Term ends Apr 7, 2037	High confidence
US 9,063,936	Image, Audio, and Metadata Inputs for Keyword Resource Navigation Links Verisign, Inc. In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 Term ends Jan 3, 2033 · High confidence	Verisign, Inc.	In force	Dec 23, 2026	Jun 23, 2027	Term ends Jan 3, 2033	High confidence
US 9,065,794	Systems and Methods for Providing Domain Name Suggestions Verisign, Inc. In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 Term ends Jul 27, 2033 · High confidence	Verisign, Inc.	In force	Dec 23, 2026	Jun 23, 2027	Term ends Jul 27, 2033	High confidence
US 9,065,855	Systems and Methods for Automatically Providing Whois Service to Top Level Domains Verisign, Inc. In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 Term ends Jun 12, 2033 · High confidence	Verisign, Inc.	In force	Dec 23, 2026	Jun 23, 2027	Term ends Jun 12, 2033	High confidence
73 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 83 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.