Maintenance fees coming due
7 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 27, 2026. Unpaid by Jun 28, 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 11,685,574 | Compostable Envelope In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · High confidence | Temperpack Technologies, Inc. | In force | Dec 27, 2026 | Jun 28, 2027 | High confidence | |
| US 11,701,872 | Insulation Panel In force Fee due Jan 18, 2027 Lapses if unpaid Jul 19, 2027 · High confidence | Temperpack Technologies, Inc. | In force | Jan 18, 2027 | Jul 19, 2027 | High confidence | |
| US 10,357,936 | Insulation Panel In force Fee due Jan 23, 2027 Lapses if unpaid Jul 23, 2027 · High confidence | Temperpack Technologies, Inc. | In force | Jan 23, 2027 | Jul 23, 2027 | High confidence | |
| US 11,794,983 | Compostable Insulation for Shipping Container In force Fee due Apr 24, 2027 Lapses if unpaid Oct 25, 2027 · High confidence | Temperpack Technologies, Inc. | In force | Apr 24, 2027 | Oct 25, 2027 | High confidence | |
| US 11,852,264 | Insulation Products and Methods and Machines for Making Insulation Products In force Fee due Jun 26, 2027 Lapses if unpaid Dec 27, 2027 · High confidence | Temperpack Technologies, Inc. | In force | Jun 26, 2027 | Dec 27, 2027 | High confidence | |
| US 11,904,584 | Insulation Panel In force Fee due Aug 20, 2027 Lapses if unpaid Feb 22, 2028 · High confidence | Temperpack Technologies, Inc. | In force | Aug 20, 2027 | Feb 22, 2028 | High confidence | |
| US 10,647,497 | Compostable Insert for Shipping Container In force Fee due Nov 12, 2027 Lapses if unpaid May 12, 2028 · High confidence | Temperpack Technologies, Inc. | In force | Nov 12, 2027 | May 12, 2028 | High confidence |
7 of 7 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.