Bitkey Inc.

8 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Dec 2039

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

2 fees due Oct 9 to 30, 2027 · next Oct 9

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 16, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US 12,763,971	Utilization Management System, Management Device, Utilization Control Device, Utilization Management Method, and Computer-Readable Program In force Term ends Dec 18, 2039 · High confidence	In force	Term ends Dec 18, 2039	High confidence
US 11,971,973	Uilization control system, use permit issuance device, uilization control method, and computer-readable program In force Term ends Mar 18, 2040 · From the USPTO record	In force	Term ends Mar 18, 2040	From the USPTO record
US 12,219,059	Utilization management system, management device, utilization control device, user terminal, utilization management method, and program In force Term ends Oct 9, 2040 · From the USPTO record	In force	Term ends Oct 9, 2040	From the USPTO record
US 11,956,625	Utilization control system and utilization control method In force Term ends Dec 11, 2040 · From the USPTO record	In force	Term ends Dec 11, 2040	From the USPTO record
US 12,406,096	Utilization management device, utilization management method, and program In force Term ends Apr 30, 2041 · From the USPTO record	In force	Term ends Apr 30, 2041	From the USPTO record
US 12,170,733	Utilization Management System, Management Device, Utilization Control Device, Utilization Management Method, and Computer-Readable Program In force Term ends Aug 17, 2041 · High confidence	In force	Term ends Aug 17, 2041	High confidence
US 12,190,661	Rotation detection devices, method, and program In force Term ends Nov 1, 2042 · From the USPTO record	In force	Term ends Nov 1, 2042	From the USPTO record
US 12,694,737	Server Device, Method, And Program In force Term ends Feb 21, 2043 · High confidence	In force	Term ends Feb 21, 2043	High confidence

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

2 pending · 1 abandoned

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