Term ends Oct 12, 2027 · High confidence
20-year base term ends Oct 12, 2027
Filed May 28, 2014 as application 14/288,950 · Granted Aug 4, 2015
Base term, 20 years from filing
Today
2007
2027
Clock starts
Oct 12, 2007
Oct 12, 2007
Term ends
Oct 12, 2027
Oct 12, 2027
Granted
Aug 4, 2015
Aug 4, 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.
2 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.
5
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. 2 of 3 maintenance fees are paid so far. 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 Oct 12, 2007, when application 11/871,173, the earliest non-provisional in its chain, was filed (this one was filed May 28, 2014) | Oct 12, 2027 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 12, 2027 | High confidence |
This family
| US 8,773,344 | In force Dec 2029 | Dec 2029 |
| US 9,097,942 | this patent Oct 2027 | Oct 2027 |
| US 10,008,165 | In force Oct 2027 | Oct 2027 |
| US 10,235,954 | In force Oct 2027 | Oct 2027 |
| US 10,453,408 | In force Oct 2027 | Oct 2027 |
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 |
|---|---|---|---|
| May 29, 2014 Reel 32985, frame 420 | Haga, Hiroshi; Asada, Hideki; Kaneko, Setsuo | NEC LCD Technologies, Ltd. | Assignment of Assignor's Interest |
| May 29, 2014 Reel 33052, frame 387 | NEC LCD Technologies, Ltd. | NLT Technologies, Ltd. | Change of Name |
| May 15, 2019 Reel 49188, frame 536 | NLT Technologies, Ltd. | Tianma Japan, Ltd. | Change of Name |
| May 16, 2019 Reel 49203, frame 605 | Tianma Japan, Ltd. | Tianma Micro-Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Jul 1, 2019 Reel 49644, frame 278 | Tianma Micro-Electronics Co., Ltd. | Shenzhen Techvisum Technologies Limited | Assignment of Assignor's Interest |
| Jul 3, 2019 Reel 49675, frame 165 | Shenzhen Techvisum Technologies Limited | Beihai Huike Photoelectric Technology Co., Ltd. | Assignment of Assignor's Interest |
| Sep 11, 2019 Reel 50347, frame 537 | Shenzhen Techvisum Technologies Limited | Beihai HKC Optoelectronics Technology Co., Ltd. | Corrective Assignment to Correct the Receiving Party Name and Address Previously Recorded at Reel: 49675 Frame: 165. 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.
What's changing
Oct 2027
Term ends Oct 12, 2027. Maintenance fees still fall due before then
Citations
4
later US patents cite 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.