Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Aug 20, 2027. Unpaid by Feb 22, 2028, 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 11,906,271 | Method to Combat a Target In force Fee due Aug 20, 2027 Lapses if unpaid Feb 22, 2028 · High confidence | BAE Systems Bofors AB | In force | Aug 20, 2027 | Feb 22, 2028 | High confidence | |
| US 11,953,298 | Brake Arrangement for a Projectile In force Fee due Oct 9, 2027 Lapses if unpaid Apr 10, 2028 · High confidence | BAE Systems Bofors AB | In force | Oct 9, 2027 | Apr 10, 2028 | High confidence |
2 of 2 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.