Maintenance fees coming due
2 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Apr 8, 2027. Unpaid by Oct 8, 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 10,435,089 | Anti-Rollover Trailer In force Fee due Apr 8, 2027 Lapses if unpaid Oct 8, 2027 · High confidence | DCB Trailer Design, LLC | In force | Apr 8, 2027 | Oct 8, 2027 | High confidence | |
| US 10,633,453 | Antibody Locker for the Inactivation of Protein Drug In force Fee due Oct 28, 2027 Lapses if unpaid Apr 28, 2028 · High confidence | DCB-USA LLC and Kaohsiung Medical University | In force | Oct 28, 2027 | Apr 28, 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.