Maintenance fees coming due
6 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 26, 2026. Unpaid by May 26, 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 9,040,208 | Catalyst Layer for Fuel Cell Membrane Electrode Assembly, Fuel Cell Membrane Electrode Assembly Using the Catalyst Layer, Fuel Cell, and Method for Producing the Catalyst Layer In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 · High confidence | OneD Material, Inc. | In force | Nov 26, 2026 | May 26, 2027 | High confidence | |
| US 10,355,266 | Silicon Nanostructure Active Materials For Lithium Ion Batteries And Processes, Compositions, Components And Devices Related Thereto In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 · High confidence | OneD Material, Inc. | In force | Jan 16, 2027 | Jul 16, 2027 | High confidence | |
| US 10,367,236 | Anode, Cell, and Method of Stabilizing an Anode for Use in a Lithium Ion Electrochemical Cell In force Fee due Jan 30, 2027 Lapses if unpaid Jul 30, 2027 · High confidence | OneD Material, Inc. | In force | Jan 30, 2027 | Jul 30, 2027 | High confidence | |
| US 11,728,477 | Manufacturing Apparatus And Method For Making Silicon Nanowires On Carbon Based Powders For Use In Batteries In force Fee due Feb 15, 2027 Lapses if unpaid Aug 16, 2027 · High confidence | OneD Material, Inc. | In force | Feb 15, 2027 | Aug 16, 2027 | High confidence | |
| US 10,490,817 | Nanostructured Materials for Battery Applications In force Fee due May 26, 2027 Lapses if unpaid Nov 26, 2027 · High confidence | OneD Material, Inc. | In force | May 26, 2027 | Nov 26, 2027 | High confidence | |
| US 11,967,707 | Nanostructured Battery Active Materials and Methods of Producing Same In force Fee due Oct 23, 2027 Lapses if unpaid Apr 24, 2028 · High confidence | OneD Material, Inc. | In force | Oct 23, 2027 | Apr 24, 2028 | High confidence |
6 of 6 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.