Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 26, 2026. Unpaid by May 26, 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 9,043,429 | Method and System for Increasing Speed of Domain Name System Resolution Within a Computing Device In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 · High confidence | Web Spark Ltd. | In force | Nov 26, 2026 | May 26, 2027 | High confidence | |
| US 10,387,316 | Method for Increasing Cache Size In force Fee due Feb 20, 2027 Lapses if unpaid Aug 20, 2027 · High confidence | Hola Newco Ltd. | In force | Feb 20, 2027 | Aug 20, 2027 | High confidence | |
| US 9,201,808 | Method for Increasing Cache Size In force Fee due Jun 1, 2027 Lapses if unpaid Dec 1, 2027 · High confidence | Web Spark Ltd. | In force | Jun 1, 2027 | Dec 1, 2027 | High confidence |
3 of 3 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.