Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Apr 15, 2027. Unpaid by Oct 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 10,441,745 | Neurovascular Catheter with Enlargeable Distal End In force Fee due Apr 15, 2027 Lapses if unpaid Oct 15, 2027 · High confidence | Imperative Care, Inc. | In force | Apr 15, 2027 | Oct 15, 2027 | High confidence | |
| US 11,819,228 | Methods and Systems for Treating a Pulmonary Embolism In force Fee due May 21, 2027 Lapses if unpaid Nov 22, 2027 · High confidence | Imperative Care, Inc. | In force | May 21, 2027 | Nov 22, 2027 | 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.