Lapsed Jun 10, 2026 on the fee record · High confidence
20-year base term ends Jun 15, 2032
Third maintenance fee unpaid; grace period ended.
Held by Aleddra Inc.
Filed Jun 15, 2012 as application 13/525,249 · Granted Jun 10, 2014
Base term, 20 years from filing, plus 21 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 10, 2026
2012
2032
Clock starts
Jun 15, 2012
Jun 15, 2012
No longer in force
Jun 10, 2026
Jun 10, 2026
Granted
Jun 10, 2014
Jun 10, 2014
Term would have run to
Jul 6, 2032
Jul 6, 2032
base term
patent term adjustment
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
21
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
74
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 Jul 6, 2032: its 20-year base term plus 21 days of term adjustment for prosecution delay. 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 Jun 15, 2012, when this application, 13/525,249, was filed | Jun 15, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +21 days, USPTO patent term adjustment record | Jul 6, 2032 | 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 | lapsed Jun 10, 2026 | High confidence |
| Computed term end | The steps above, in order | Jun 10, 2026 | High confidence |
This family
| US 8,749,167 | this patent Jun 2026 | Jun 2026 |
| Application 13/535,249 | Abandoned not computed | not computed |
| Application PCT/US2012/046918 | PCT application no patent term | no patent term |
| US 9,163,818 | In force Jan 2033 | Jan 2033 |
| US 9,277,603 | In force Sep 2032 | Sep 2032 |
| US 9,277,604 | In force Jun 2032 | Jun 2032 |
| US 9,288,867 | In force Jun 2032 | Jun 2032 |
| US 9,176,345 | In force Jun 2032 | Jun 2032 |
8 of 74 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jun 22, 2012 Reel 28430, frame 845 | Hsia, Chungho; Shen, Pai-sheng | Lightel Technologies Inc. | Assignment of Assignor's Interest |
| Jul 20, 2017 Reel 43058, frame 318 | Lightel Technologies Inc. | Aleddra Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 21 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
112
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.