Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 11, 2026. Unpaid by Jun 11, 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 10,318,802 | Worn Banknote Identification Method and Atm Using the Same In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 · High confidence | Nautilus Hyosung Inc. and Industry-Academic Cooperation Foundation, Yonsei University | In force | Dec 11, 2026 | Jun 11, 2027 | High confidence | |
| US 11,683,915 | Data Center Liquid Conduction And Carbon Dioxide Based Cooling Apparatus And Method In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 · Medium confidence | Nautilus True, LLC | In force | Dec 20, 2026 | Jun 21, 2027 | Medium confidence | |
| US 11,768,201 | Methods of Assaying Proteins In force Fee due Mar 26, 2027 Lapses if unpaid Sep 27, 2027 · High confidence | Nautilus Subsidiary, Inc. | In force | Mar 26, 2027 | Sep 27, 2027 | High confidence | |
| US 11,946,269 | Modular Integrated System Modules In force Fee due Oct 2, 2027 Lapses if unpaid Apr 3, 2028 · High confidence | Nautilus True, LLC | In force | Oct 2, 2027 | Apr 3, 2028 | High confidence |
4 of 4 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.