Maintenance fees coming due
17 maintenance fees come due in the 12 months from Nov 14, 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 9,048,946 | Hybrid Ranging Using an Out of Band Signal in Optical Networks In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · High confidence | Calix, Inc. | In force | Dec 2, 2026 | Jun 2, 2027 | High confidence | |
| US 11,695,103 | Rechargeable Battery and Catalyst Materials and the Means of Production Thereof In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 · High confidence | Calix Ltd. | In force | Jan 4, 2027 | Jul 6, 2027 | High confidence | |
| US 11,701,630 | Reactor System for Producing a Nano-Active Powder Material In force Fee due Jan 18, 2027 Lapses if unpaid Jul 19, 2027 · High confidence | Calix Ltd. | In force | Jan 18, 2027 | Jul 19, 2027 | High confidence | |
| US 10,358,364 | Process and Apparatus for Manufacture of Hydroxide Slurry In force Fee due Jan 23, 2027 Lapses if unpaid Jul 23, 2027 · High confidence | Calix Ltd. | In force | Jan 23, 2027 | Jul 23, 2027 | High confidence | |
| US 9,137,326 | Distributed Cache System for Optical Networks In force Fee due Mar 15, 2027 Lapses if unpaid Sep 15, 2027 · High confidence | Calix, Inc. | In force | Mar 15, 2027 | Sep 15, 2027 | High confidence | |
| US 9,150,807 | System and Method for Processing an Input Fuel Gas and Steam to Produce Carbon Dioxide and an Output Fuel Gas In force Fee due Apr 6, 2027 Lapses if unpaid Oct 6, 2027 · High confidence | Calix Limited | In force | Apr 6, 2027 | Oct 6, 2027 | High confidence | |
| US 10,461,864 | Channel Bonding Techniques in a Network In force Fee due Apr 29, 2027 Lapses if unpaid Oct 29, 2027 · High confidence | Calix, Inc. | In force | Apr 29, 2027 | Oct 29, 2027 | High confidence | |
| US 9,178,613 | Network Interface Device Synchronization In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 · High confidence | Calix, Inc. | In force | May 3, 2027 | Nov 3, 2027 | High confidence | |
| US 10,469,499 | Website Filtering Using Bifurcated Domain Name System In force Fee due May 5, 2027 Lapses if unpaid Nov 5, 2027 · High confidence | Calix, Inc. | In force | May 5, 2027 | Nov 5, 2027 | High confidence | |
| US 11,812,106 | Automatic Feedback for Proper Placement of Wi-Fi Connected Set Top Box In force Fee due May 7, 2027 Lapses if unpaid Nov 8, 2027 · High confidence | Calix, Inc. | In force | May 7, 2027 | Nov 8, 2027 | High confidence | |
| 7 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 17 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.