Tstone IP Inc.

11 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Sep 2027

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 May 24, 2027
The maintenance fee for Apparatus, system, and method of managing data transmission, and transmission management program (US 9,197,855) comes due May 24, 2027. Unpaid by Nov 24, 2027, 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.

Patent	Title	Status	Expires	Confidence
US RE45,729	Apparatus and method for managing application context In force Term ends Sep 26, 2027 · From the USPTO record	In force	Term ends Sep 26, 2027	From the USPTO record
US 8,336,076	System and Method for Positioning Multiple Broadcast Content on a User Interface In force Term ends Mar 11, 2029 · High confidence	In force	Term ends Mar 11, 2029	High confidence
US 8,416,278	System and Method for Real-Time Conversational Tele-Education Service Based on Video Conferencing Service In force Term ends Jul 22, 2031 · High confidence	In force	Term ends Jul 22, 2031	High confidence
US 9,197,855	Apparatus, system, and method of managing data transmission, and transmission management program In force (reinstated) Ends no later than Dec 6, 2031 · From the USPTO record	In force (reinstated)	Ends no later than Dec 6, 2031	From the USPTO record
US 8,665,312	Apparatus, system, and method of managing data transmission, and transmission management program In force Term ends Jul 8, 2032 · From the USPTO record	In force	Term ends Jul 8, 2032	From the USPTO record
US 8,909,826	System and Method for Extending User-Interface, and Storage Medium Storing the Same In force Term ends Mar 13, 2033 · High confidence	In force	Term ends Mar 13, 2033	High confidence
US 9,368,127	Method and Device for Providing Distributed Telepresence Service In force Term ends Jul 17, 2034 · High confidence	In force	Term ends Jul 17, 2034	High confidence
US 9,578,479	Smart Device Resource Combining Method and Apparatus Thereof In force Term ends Dec 15, 2034 · High confidence	In force	Term ends Dec 15, 2034	High confidence
US 10,129,301	Apparatus, system, and method of controlling data transmission, and recording medium In force Ends no later than Jun 29, 2035 · From the USPTO record	In force	Ends no later than Jun 29, 2035	From the USPTO record
US 9,787,729	Apparatus, system, and method of controlling data transmission, and recording medium In force Term ends Sep 5, 2035 · From the USPTO record	In force	Term ends Sep 5, 2035	From the USPTO record

10 of 11 patents shown.

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Pro members: see all 11 patents

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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