Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on May 5, 2027. Unpaid by Nov 5, 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 10,469,918 | Expanded Previously on Segments In force Fee due May 5, 2027 Lapses if unpaid Nov 5, 2027 · High confidence | A9.com, Inc. and Imdb.com, Inc. | In force | May 5, 2027 | Nov 5, 2027 | High confidence | |
| US 11,891,671 | Virus Detection System In force Fee due Aug 6, 2027 Lapses if unpaid Feb 7, 2028 · High confidence | A9.com, Inc. | In force | Aug 6, 2027 | Feb 7, 2028 | High confidence | |
| US 9,288,124 | Systems and Methods of Classifying Sessions In force Fee due Sep 15, 2027 Lapses if unpaid Mar 15, 2028 · High confidence | A9.com, Inc. | In force | Sep 15, 2027 | Mar 15, 2028 | High confidence | |
| US 9,298,781 | Identifying Missing Search Phrases In force Fee due Sep 29, 2027 Lapses if unpaid Mar 29, 2028 · High confidence | A9.com, Inc. | In force | Sep 29, 2027 | Mar 29, 2028 | High confidence |
4 of 4 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.