Maintenance fees coming due
82 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 11, 2026. Unpaid by Jun 11, 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 10,320,983 | System and Method for Queuing a Communication Session In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 · High confidence | Twilio, Inc. | In force | Dec 11, 2026 | Jun 11, 2027 | High confidence | |
| US 11,677,638 | Message Routing Optimization System In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 · Low confidence | Twilio Inc. | In force | Dec 13, 2026 | Jun 14, 2027 | Low confidence | |
| US 11,683,068 | Segmented Echo Cancellation Filter for Use in Full-Duplex Communication Systems In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 · High confidence | Ethernovia Inc. | In force | Dec 20, 2026 | Jun 21, 2027 | High confidence | |
| US 11,689,899 | System and Method for Triggering on Platform Usage In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · Medium confidence | Twilio, Inc. | In force | Dec 27, 2026 | Jun 28, 2027 | Medium confidence | |
| US 10,348,908 | Method and System for a Multitenancy Telephone Network In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 · High confidence | Twilio, Inc. | In force | Jan 9, 2027 | Jul 9, 2027 | High confidence | |
| US 11,706,349 | System and Method for Processing Telephony Sessions In force Fee due Jan 18, 2027 Lapses if unpaid Jul 19, 2027 · High confidence | Twilio Inc. | In force | Jan 18, 2027 | Jul 19, 2027 | High confidence | |
| US 11,714,911 | Securing Data in Multitenant Environment In force Fee due Feb 1, 2027 Lapses if unpaid Aug 2, 2027 · High confidence | Twilio Inc. | In force | Feb 1, 2027 | Aug 2, 2027 | High confidence | |
| US 11,720,396 | Application Programming Interface (API) Request Throttling In force Fee due Feb 8, 2027 Lapses if unpaid Aug 9, 2027 · High confidence | Twilio Inc. | In force | Feb 8, 2027 | Aug 9, 2027 | High confidence | |
| US 11,720,919 | Message-transmittal strategy optimization In force Fee due Feb 8, 2027 Lapses if unpaid Aug 9, 2027 · High confidence | Twilio Inc. | In force | Feb 8, 2027 | Aug 9, 2027 | High confidence | |
| US 11,722,602 | System and Method for Processing Media Requests During Telephony Sessions In force Fee due Feb 8, 2027 Lapses if unpaid Aug 9, 2027 · High confidence | Twilio Inc. | In force | Feb 8, 2027 | Aug 9, 2027 | High confidence | |
| 72 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro | |||||||
10 of 82 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.