Maintenance fees coming due
5 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 9, 2026. Unpaid by Jun 9, 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 9,053,326 | Simulated Phishing Attack with Sequential Messages In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 · High confidence | Cofense Inc. | In force | Dec 9, 2026 | Jun 9, 2027 | High confidence | |
| US 9,246,936 | Performance Benchmarking for Simulated Phishing Attacks In force Fee due Jul 26, 2027 Lapses if unpaid Jan 26, 2028 · High confidence | Cofense Inc. | In force | Jul 26, 2027 | Jan 26, 2028 | High confidence | |
| US 9,253,207 | Collaborative Phishing Attack Detection In force Fee due Aug 2, 2027 Lapses if unpaid Feb 2, 2028 · High confidence | Cofense Inc. | In force | Aug 2, 2027 | Feb 2, 2028 | High confidence | |
| US 9,262,629 | Methods and Systems for Preventing Malicious Use of Phishing Simulation Records In force Fee due Aug 16, 2027 Lapses if unpaid Feb 16, 2028 · High confidence | Cofense Inc. | In force | Aug 16, 2027 | Feb 16, 2028 | High confidence | |
| US 9,325,730 | Collaborative Phishing Attack Detection In force Fee due Oct 26, 2027 Lapses if unpaid Apr 26, 2028 · High confidence | Cofense Inc. | In force | Oct 26, 2027 | Apr 26, 2028 | High confidence |
5 of 5 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.