8×8, Inc.

33 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Aug 2028

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

2 fees due Jan 11 to 28, 2027 · next Jan 11
1 fee due Feb 22, 2027
The maintenance fee for Approaches for Evaluating Call Quality (US 11,736,970) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
2 fees due Mar 3 to 17, 2027 · next Mar 3
1 fee due Apr 8, 2027
The maintenance fee for Network Path Selection for Routing Data (US 10,439,956) comes due Apr 8, 2027. Unpaid by Oct 8, 2027, it lapses early.
3 fees due Jul 2 to 9, 2027 · next Jul 2
1 fee due Aug 27, 2027
The maintenance fee for Interoperability Between RCS Networks and Proprietary Messaging Platforms (US 11,916,974) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
1 fee due Oct 5, 2027
The maintenance fee for Networked Contact Center (US 9,307,088) comes due Oct 5, 2027. Unpaid by Apr 5, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US 9,307,088	Networked Contact Center In force Term ends Aug 29, 2028 · Medium confidence	In force	Term ends Aug 29, 2028	Medium confidence
US 9,531,879	Networked Contact Center User Interface Approach In force Term ends Aug 29, 2028 · High confidence	In force	Term ends Aug 29, 2028	High confidence
US 9,762,633	Systems and Methods for Distributed Conferencing In force Term ends Nov 13, 2029 · Low confidence	In force	Term ends Nov 13, 2029	Low confidence
US 10,757,176	Systems, Methods, Devices and Arrangements for Server Load Distribution In force Term ends Jun 6, 2030 · High confidence	In force	Term ends Jun 6, 2030	High confidence
US 8,243,913	Limiting Contact in a Networked Contact Center Environment In force Term ends Mar 20, 2031 · High confidence	In force	Term ends Mar 20, 2031	High confidence
US 9,401,994	Conferencing and Meeting Implementations with Advanced Features In force Term ends Jul 8, 2031 · High confidence	In force	Term ends Jul 8, 2031	High confidence
US 9,762,738	Systems, Methods, Devices and Arrangements for Unified Messaging In force Term ends Apr 5, 2032 · High confidence	In force	Term ends Apr 5, 2032	High confidence
US 10,135,882	Multiple-Master DNS System In force Term ends Mar 20, 2033 · High confidence	In force	Term ends Mar 20, 2033	High confidence
US 11,997,003	Analysis Of Transmission Characteristics In A Voice-Over-IP Network In force Ends no later than Mar 28, 2033 · Medium confidence	In force	Ends no later than Mar 28, 2033	Medium confidence
US 9,813,563	Monitoring of Personal and Business Use of Telephony Devices In force Term ends Dec 20, 2033 · High confidence	In force	Term ends Dec 20, 2033	High confidence

10 of 33 patents shown.

Pro members see all 33.

Pro members: see all 33 patents

Also on record, not counted in the 33: 1 lapsed for an unpaid fee · 15 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

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

Export every term end as CSV · Pro