9 patents currently held

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.

The next term ends in Oct 2028. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Oct 2028

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

202620272028 20292030203120322033203420352036203720382039204020412042204320442045

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

Systems and Methods for Training Artificially-Intelligent Classifier US 11,779,270

The most cited patent in this portfolio, cited by 11 later US patents, top 10% of utility patents granted in 2023 in our data. Protection runs to 2036.

Ends Mar 2036 · Medium confidence Also notable

Dynamically Balanced In-Line Wheel Vehicle US 11,155,302

The earliest of the three still in force, granted 2021 and renewed since. Its term ends first, in 2028.

Ends Oct 2028 · Medium confidence Also notable

Two-wheel In-Line Robots US 11,392,126

Granted 2022. Computed term ends 2036. A terminal disclaimer caps this term to an earlier patent's.

Ends Jul 2036 · High confidence

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 Systems and Methods for Dynamic User Interaction for Improving Mental Health (US 11,727,217) comes due Feb 15, 2027. Unpaid by Aug 16, 2027, it lapses early.
1 fee due Apr 10, 2027
The maintenance fee for Systems and Methods for Training Artificially-Intelligent Classifier (US 11,779,270) comes due Apr 10, 2027. Unpaid by Oct 12, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

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

What they patent

Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.

Assessing Adherence Fidelity to Behavioral Interventions Using Interactivity and Natural Language Processing	4 in force	to Mar 2036
Dynamically Balanced In-Line Wheel Vehicle	3 in force	to Apr 2029
Two-wheel In-Line Robots	2 in force	to Jan 2038

Patents held now

Soonest term end first.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 11,155,302	Dynamically Balanced In-Line Wheel Vehicle held by Twill Tech, Inc. In force Term ends Oct 14, 2028 · Medium confidence	In force	Term ends Oct 14, 2028	Medium confidence
US 12,043,338	Dynamically Balanced In-Line Wheel Vehicle held by Twill Tech, Inc. In force Term ends Apr 12, 2029 · Medium confidence	In force	Term ends Apr 12, 2029	Medium confidence
US 12,735,138	Dynamically Balanced In-Line Wheel Vehicle held by TWILL Technology, Inc. In force Term ends Apr 14, 2029 · Medium confidence	In force	Term ends Apr 14, 2029	Medium confidence
US 10,813,584	Assessing Adherence Fidelity to Behavioral Interventions Using Interactivity and Natural Language Processing In force Term ends May 21, 2034 · Medium confidence	In force	Term ends May 21, 2034	Medium confidence
US 11,575,737	Dynamic Interactive Network System for Providing Online Service and Social Community for Engaging, Learning, and Training Skills for Mental Health In force Term ends May 21, 2034 · Medium confidence	In force	Term ends May 21, 2034	Medium confidence
US 11,727,217	Systems and Methods for Dynamic User Interaction for Improving Mental Health In force Term ends May 21, 2034 · Medium confidence	In force	Term ends May 21, 2034	Medium confidence
US 11,779,270	Systems and Methods for Training Artificially-Intelligent Classifier In force Term ends Mar 13, 2036 · Medium confidence	In force	Term ends Mar 13, 2036	Medium confidence
US 11,392,126	Two-wheel In-Line Robots held by Twill Technology, Inc. In force Term ends Jul 19, 2036 · High confidence	In force	Term ends Jul 19, 2036	High confidence
US 12,429,871	Two-wheel In-Line Robots held by Twill Technology, Inc. In force Term ends Jan 25, 2038 · High confidence	In force	Term ends Jan 25, 2038	High confidence

Also on record, not counted in the 9: 1 patent in force now held by others · 12 applications abandoned. 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.

Export every term end as CSV · Pro

Twill Inc.