Shared Registration System Multi-Factor Authentication

Verisign, Inc.

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Patent	Title	Holder	Status	Expires	Time remaining	Confidence
US 8,224,923	Characterizing Unregistered Domain Names Verisign, Inc. In force Term ends May 14, 2030 · High confidence	Verisign, Inc.	In force	Term ends May 14, 2030	Term ends May 14, 2030	High confidence
US 8,175,098	Method for Optimizing a Route Cache Verisign, Inc. In force Term ends Jul 22, 2030 · High confidence	Verisign, Inc.	In force	Term ends Jul 22, 2030	Term ends Jul 22, 2030	High confidence
US 8,949,251	System For and Method Of Identifying Closely Matching Textual Identifiers, Such As Domain Names Verisign, Inc. In force Term ends Dec 3, 2030 · High confidence	Verisign, Inc.	In force	Term ends Dec 3, 2030	Term ends Dec 3, 2030	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 Term ends Dec 22, 2030 · High confidence	Verisign, Inc.	In force	Term ends Dec 22, 2030	Term ends Dec 22, 2030	High confidence
US 9,058,381	Method of and Apparatus for Identifying Machine-Generated Textual Identifiers Verisign, Inc. In force Term ends Mar 19, 2031 · High confidence	Verisign, Inc.	In force	Term ends Mar 19, 2031	Term ends Mar 19, 2031	High confidence
US 9,075,886	Systems and Methods for Detecting the Stockpiling of Domain Names Verisign, Inc. In force Term ends Apr 13, 2031 · High confidence	Verisign, Inc.	In force	Term ends Apr 13, 2031	Term ends Apr 13, 2031	High confidence
US 8,904,519	Shared Registration System Multi-Factor Authentication Verisign, Inc. In force Term ends Apr 19, 2031 · High confidence	Verisign, Inc.	In force	Term ends Apr 19, 2031	Term ends Apr 19, 2031	High confidence
US 9,172,673	Systems and Methods for Domain Name Exchange Verisign, Inc. In force Term ends Aug 7, 2031 · High confidence	Verisign, Inc.	In force	Term ends Aug 7, 2031	Term ends Aug 7, 2031	High confidence
US 8,504,673	Traffic Like NXDomains Verisign, Inc. In force Term ends Sep 5, 2031 · High confidence	Verisign, Inc.	In force	Term ends Sep 5, 2031	Term ends Sep 5, 2031	High confidence
US 8,631,416	Parallelizing Scheduler for Database Commands Verisign, Inc. In force Term ends Sep 20, 2031 · High confidence	Verisign, Inc.	In force	Term ends Sep 20, 2031	Term ends Sep 20, 2031	High confidence
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14 of these are in force and held by Verisign, Inc..

Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.