Maintenance fees coming due

8X8, Inc.

107 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 2, 2026. Unpaid by Jun 2, 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 9,049,297	Networked Contact Center 8X8, Inc. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Aug 29, 2028 · Medium confidence	8X8, Inc.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Aug 29, 2028	Medium confidence
US 11,671,533	Programming/Data Sets via a Data-Communications Server 8X8, Inc. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Oct 17, 2036 · High confidence	8X8, Inc.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Oct 17, 2036	High confidence
US 10,326,888	Location Updates for Call Routing Decisions 8X8, Inc. In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends May 25, 2036 · High confidence	8X8, Inc.	In force	Dec 18, 2026	Jun 21, 2027	Term ends May 25, 2036	High confidence
US 11,681,819	Interactive Meeting Recordings 8X8, Inc. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Jan 21, 2042 · High confidence	8X8, Inc.	In force	Dec 20, 2026	Jun 21, 2027	Term ends Jan 21, 2042	High confidence
US 11,683,226	Intelligent Network Operations for Data Communications Between Client-Specific Servers and Data-Center Communications Servers 8X8, Inc. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Dec 28, 2038 · Low confidence	8X8, Inc.	In force	Dec 20, 2026	Jun 21, 2027	Term ends Dec 28, 2038	Low confidence
US 11,683,420	Conferencing and Meeting Implementations with Advanced Features 8X8, Inc. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Jul 8, 2031 · High confidence	8X8, Inc.	In force	Dec 20, 2026	Jun 21, 2027	Term ends Jul 8, 2031	High confidence
US 10,333,824	Analysis of Transmission Characteristics in a Voice-Over-IP Network 8X8, Inc. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Apr 25, 2033 · High confidence	8X8, Inc.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Apr 25, 2033	High confidence
US 10,334,112	User Configurable Routing of VoIP Calls 8X8, Inc. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Sep 26, 2034 · High confidence	8X8, Inc.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Sep 26, 2034	High confidence
US 10,334,469	Approaches for Evaluating Call Quality 8X8, Inc. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Mar 17, 2036 · High confidence	8X8, Inc.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Mar 17, 2036	High confidence
US 11,687,726	Systems and Methods Involving Semantic Determination of Job Titles 8X8, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends May 7, 2037 · Low confidence	8X8, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Term ends May 7, 2037	Low confidence
97 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 107 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.