34 patents currently held

2 more in force are now held by other companies

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

The next term ends in Oct 2027. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Oct 2027

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027 202820292030203120322033203420352036203720382039204020412042 2043 2044 2045

notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Device and Method for Computer-Assisted Learning US 8,348,670

Renewed at every maintenance window since the 2013 grant; no more fees are due before its term ends in 2031.

Ends Jul 2031 · High confidence Also notable

Method and System for Spatial, Appearance and Acoustic Coding of Words and Sentences US 7,607,918

Renewed at every maintenance window since the 2009 grant; no more fees are due before its term ends in 2027.

Ends Oct 2027 · High confidence Also notable

Systems and Methods for Detection of the Presence of a Person in Front of a Display with a Camera US 12,531,002

A family of 7 related applications built on the 2026 grant. Too new for citation comparison; protection runs to 2044.

Ends Dec 2044 · High confidence

Fee deadlines

No maintenance fee falls due on this company's record before Nov 10, 2027.

Recent changes

12 of the patents on this record were granted since Aug 16, 2026

What they patent

The 5 largest of its 31 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

System and method for an audio-visual avatar creation	2 in force	to Aug 2043
Multi-layered approach for path planning and its execution for autonomous cars	2 in force	to Jun 2042
Device and Method for Computer-Assisted Learning	2 in force	to Jul 2031
Fully Homomorphic Encryption (FHE) and Partially Homomorphic Encryption (PHE) in Distributed 1-BIT Large Language Model (LLM) Architecture	1 in force	to Apr 2045
Partially Homomorphic Encryption (PHE) in Distributed 1-BIT Large Language Model (LLM) Architecture	1 in force	to Apr 2045

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 7,607,918	Method and System for Spatial, Appearance and Acoustic Coding of Words and Sentences In force Term ends Oct 1, 2027 · High confidence	In force	Term ends Oct 1, 2027	High confidence
US 8,678,827	Device and Method for Computer-Assisted Learning In force Term ends Jul 25, 2028 · High confidence	In force	Term ends Jul 25, 2028	High confidence
US 8,348,670	Device and Method for Computer-Assisted Learning In force Term ends Jul 20, 2031 · High confidence	In force	Term ends Jul 20, 2031	High confidence
US 12,759,585	Multi-Layered Approach for Path Planning and Its Execution for Autonomous Cars In force Ends no later than Jan 7, 2042 · Low confidence	In force	Ends no later than Jan 7, 2042	Low confidence
US 12,162,514	Multi-layered approach for path planning and its execution for autonomous cars In force Term ends Jun 16, 2042 · High confidence	In force	Term ends Jun 16, 2042	High confidence
US 12,287,726	System and method for generating failing tests from failed proofs In force Term ends Dec 15, 2042 · High confidence	In force	Term ends Dec 15, 2042	High confidence
US 12,561,876	System and method for an audio-visual avatar creation In force Term ends Mar 1, 2043 · High confidence	In force	Term ends Mar 1, 2043	High confidence
US 12,275,393	System and Method for Optimising Performance of an Autonomous Race Car In force Term ends Mar 2, 2043 · High confidence	In force	Term ends Mar 2, 2043	High confidence
US 12,682,409	Provision of a tip regarding student conduct In force Term ends May 3, 2043 · High confidence	In force	Term ends May 3, 2043	High confidence
US 12,579,810	System and Method for Automatic Events Identification on Video In force Term ends May 23, 2043 · High confidence	In force	Term ends May 23, 2043	High confidence

10 of 34 patents shown.

Pro members see all 34.

Pro members: see all 34 patents

Also on record, not counted in the 34: 2 patents in force now held by others · 107 applications pending. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

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

1 terminal disclaimer is on file with no resolved reference. No cap is applied and none is guessed

Export every term end as CSV · Pro

Constructor Technology AG