Lapsed Apr 30, 2025 on the fee record · High confidence
20-year base term ends Mar 29, 2027
Third maintenance fee unpaid; grace period ended.
Held by NEC LCD Technologies, Ltd.
Filed Nov 8, 2011 as application 13/291,450 · Granted Apr 30, 2013
Base term, 20 years from filing
Today
Lapsed Apr 30, 2025
2007
2027
Clock starts
Mar 29, 2007
Mar 29, 2007
No longer in force
Apr 30, 2025
Apr 30, 2025
Granted
Apr 30, 2013
Apr 30, 2013
Term would have run to
Mar 29, 2027
Mar 29, 2027
base term
after the term ends
fee events
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,772,645, to Mar 29, 2027. The term already ends on or before that date, so the cap shortened nothing.
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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Mar 29, 2027: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Mar 29, 2007, when application 11/727,971, the earliest non-provisional in its chain, was filed (this one was filed Nov 8, 2011) | Mar 29, 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 | Disclaimer resolved from the filed document (refs US 7,772,645) | resolves to Mar 29, 2027, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Apr 30, 2025 | High confidence |
| Computed term end | The steps above, in order | Apr 30, 2025 | High confidence |
This family
| US 7,772,645 | In force Jul 2028 | Jul 2028 |
| US 8,080,850 | In force no later than Mar 2027 | no later than Mar 2027 |
| US 8,431,447 | this patent Apr 2025 | Apr 2025 |
| US 8,779,512 | In force Mar 2027 | Mar 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 |
|---|---|---|---|
| Nov 9, 2011 Reel 27195, frame 997 | Mori, Shigeru | NEC Corporation; NEC LCD Technologies, Ltd. | Assignment of Assignor's Interest |
| Nov 9, 2011 reel/frame not recorded | Mori, Shigeru | NEC Corporation | Assignment of Assignor's Interest |
| Nov 9, 2011 reel/frame not recorded | Mori, Shigeru | NEC LCD Technologies, Ltd. | Assignment of Assignor's Interest |
| Mar 25, 2013 Reel 30074, frame 579 | NEC LCD Technologies, Ltd. | NLT Technologies, Ltd. | Change of Name |
| Aug 19, 2016 Reel 39484, frame 218 | NEC Corporation | NEC LCD Technologies, Ltd. | Assignment of Assignor's Interest |
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.
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Alerts on its grants, lapses and transfers.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,772,645, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2013 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.