ACSL Ltd.

8 patents currently held · Updated Nov 14, 2026

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

Previously recorded as Autonomous Control Systems Laboratory Ltd. (to 2021)

Ending by 2030

Jan 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.

1 fee due Sep 19, 2027
The maintenance fee for Unmanned aircraft (US 11,932,427) comes due Sep 19, 2027. Unpaid by Mar 20, 2028, it lapses early.
1 fee due Oct 30, 2027
The maintenance fee for Unmanned Aerial Vehicle, Flight Control Mechanism for Unmanned Aerial Vehicle, and Method for Using Unmanned Aerial Vehicle and Mechanism for Unmanned Aerial Vehicle (US 11,970,266) comes due Oct 30, 2027. Unpaid by May 1, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 12,428,140	Unmanned aerial vehicle, and method for using same In force Term ends Jan 5, 2039 · From the USPTO record	In force	Term ends Jan 5, 2039	From the USPTO record
US 11,332,244	Imaging Investigation System and Imaging Investigation Method In force Term ends Jun 5, 2039 · High confidence	In force	Term ends Jun 5, 2039	High confidence
US 12,612,776	Unmanned Aerial Vehicle In force Term ends Oct 29, 2039 · High confidence	In force	Term ends Oct 29, 2039	High confidence
US 11,970,266	Unmanned Aerial Vehicle, Flight Control Mechanism for Unmanned Aerial Vehicle, and Method for Using Unmanned Aerial Vehicle and Mechanism for Unmanned Aerial Vehicle In force Term ends Jan 23, 2040 · High confidence	In force	Term ends Jan 23, 2040	High confidence
US 11,640,178	Unmanned Aircraft, Device for Controlling Unmanned Aircraft, Method for Controlling Unmanned Aircraft, and Device for Detecting Failure of Unmanned Aircraft In force Term ends Jan 30, 2040 · High confidence	In force	Term ends Jan 30, 2040	High confidence
US 12,025,991	Unmanned aircraft In force Term ends May 2, 2040 · From the USPTO record	In force	Term ends May 2, 2040	From the USPTO record
US 12,363,415	Moving object and method for using same In force Term ends Oct 14, 2040 · From the USPTO record	In force	Term ends Oct 14, 2040	From the USPTO record
US 11,932,427	Unmanned aircraft In force Term ends Aug 16, 2041 · From the USPTO record	In force	Term ends Aug 16, 2041	From the USPTO record

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.

1 abandoned · 2 no status recorded

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