Also listed on Eturbotouch Technology Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 18, 2031 · High confidence
20-year base term ends Aug 18, 2031
Held by Wistron Corporation
Filed Jul 31, 2014 as application 14/447,628 · Granted Mar 24, 2015
Base term, 20 years from filing
Today
2011
2031
Clock starts
Aug 18, 2011
Aug 18, 2011
Term ends
Aug 18, 2031
Aug 18, 2031
Granted
Mar 24, 2015
Mar 24, 2015
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
2
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Aug 18, 2011, when application 13/212,202, the earliest non-provisional in its chain, was filed (this one was filed Jul 31, 2014) | Aug 18, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 18, 2031 | High confidence |
This family
| US 8,928,605 | In force May 2033 | May 2033 |
| US 8,988,382 | this patent Aug 2031 | Aug 2031 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jul 31, 2014 reel/frame not recorded | Lin, Ta-hu; Liu, Tung-hsin; Wang, Kuei-ching; Hsieh, Yu-heng | Wistron Corporation | Assignment of Assignor's Interest |
| Jul 31, 2014 reel/frame not recorded | Lin, Ta-hu; Liu, Tung-hsin; Wang, Kuei-ching; Hsieh, Yu-heng | Eturbotouch Technology Inc. | Assignment of Assignor's Interest |
| Jul 31, 2014 Reel 33427, frame 618 | Wang, Kuei-ching; Hsieh, Yu-heng; Lin, Ta-hu; Liu, Tung-hsin | Wistron Corporation; Eturbotouch Technology Inc. | Assignment of Assignor's Interest |
| Jun 3, 2021 Reel 56430, frame 92 | Eturbotouch Technology Inc. | Wistron Corporation | Assignment of Assignor's Interest |
| Jul 23, 2021 Reel 57043, frame 583 | Eturbotouch Technology Inc. | Wistron Corporation | Corrective Assignment to Correct the Receiving Party Street Address Also Cit Previously Recorded at Reel: 56430 Frame: 092. Assignor(S) Hereby Confirms the Assignment. |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2031
Term ends Aug 18, 2031. No further fees fall due before then
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2015 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.