Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 13, 2026. Unpaid by Jun 14, 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 11,673,721 | Lidded Container In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 · High confidence | Packit, LLC | In force | Dec 13, 2026 | Jun 14, 2027 | High confidence | |
| US 11,885,560 | Insulated Carrier for Temperature-Controlled Items In force Fee due Jul 30, 2027 Lapses if unpaid Jan 31, 2028 · High confidence | PackIt, LLC | In force | Jul 30, 2027 | Jan 31, 2028 | High confidence | |
| US 11,920,861 | Freezable Insulated Crate Liner In force Fee due Sep 5, 2027 Lapses if unpaid Mar 6, 2028 · High confidence | PackIt, LLC | In force | Sep 5, 2027 | Mar 6, 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.