Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 15, 2026, the next on May 14, 2027. Unpaid by Nov 15, 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 11,818,116 | Network Gateway Messaging Systems and Methods In force Fee due May 14, 2027 Lapses if unpaid Nov 15, 2027 · High confidence | Ixopay, Inc. | In force | May 14, 2027 | Nov 15, 2027 | High confidence | |
| US 11,979,500 | Data Format-Preserving Encryption, Tokenization, and Access Control for Vaultless Systems and Methods In force Fee due Nov 7, 2027 Lapses if unpaid May 8, 2028 · High confidence | Ixopay, Inc. | In force | Nov 7, 2027 | May 8, 2028 | High confidence | |
| US 10,650,165 | Systems and Methods for Tokenization to Support Pseudonymization of Sensitive Data In force Fee due Nov 12, 2027 Lapses if unpaid May 12, 2028 · High confidence | Ixopay, Inc. | In force | Nov 12, 2027 | May 12, 2028 | 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.