Leddartech Inc.

37 patents currently held · Updated Nov 14, 2026

1 more in force is now held by another company

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

Recorded under 2 name spellings.

Ending by 2030

Dec 2026

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 Feb 15, 2027
The maintenance fee for Component for a Lidar Sensor System, Lidar Sensor System, Lidar Sensor Device, Method for a Lidar Sensor System and Method for a Lidar Sensor Device (US 11,726,184) comes due Feb 15, 2027. Unpaid by Aug 16, 2027, it lapses early.
2 fees due May 26 to 28, 2027 · next May 26

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended 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.

Patent	Title	Status	Expires	Confidence
US 7,855,376	Lighting System and Method for Illuminating and Detecting Object In force Ends no later than Dec 19, 2026 · Medium confidence	In force	Ends no later than Dec 19, 2026	Medium confidence
US 8,242,476	LED Object Detection System and Method Combining Complete Reflection Traces from Individual Narrow Field-Of-View Channels In force Term ends Dec 19, 2026 · High confidence	In force	Term ends Dec 19, 2026	High confidence
US 7,895,007	Digital Signal Processing in Optical Systems Used for Ranging Applications In force Term ends Nov 7, 2027 · High confidence	In force	Term ends Nov 7, 2027	High confidence
US 7,917,320	Digital Signal Processing in Optical Systems Used for Ranging Applications In force Term ends Nov 7, 2027 · High confidence	In force	Term ends Nov 7, 2027	High confidence
US 7,554,652	Light-Integrating Rangefinding Device and Method In force Term ends Feb 29, 2028 · High confidence	In force	Term ends Feb 29, 2028	High confidence
US 7,640,122	Digital Signal Processing in Optical Systems Used for Ranging Applications In force Term ends Apr 28, 2028 · High confidence	In force	Term ends Apr 28, 2028	High confidence
US 8,767,215	Method for Detecting Objects with Light In force Term ends Jun 18, 2028 · High confidence	In force	Term ends Jun 18, 2028	High confidence
US 7,635,854	Method and Apparatus for Optical Level Sensing of Agitated Fluid Surfaces In force Term ends Jul 9, 2028 · High confidence	In force	Term ends Jul 9, 2028	High confidence
US 8,319,949	Method for Detecting Objects with Visible Light In force Term ends Aug 30, 2028 · High confidence	In force	Term ends Aug 30, 2028	High confidence
US RE46,930	Distance Detection Method and System In force Term ends Dec 19, 2028 · Low confidence	In force	Term ends Dec 19, 2028	Low confidence

10 of 37 patents shown.

Pro members see all 37.

Pro members: see all 37 patents

Also on record, not counted in the 37: 1 patent in force now held by others · 1 lapsed for an unpaid fee · 3 surrendered on reissue. List them

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.

6 pending

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