Term ends Jan 9, 2033 · High confidence
20-year base term ends Jun 15, 2032
Held by Aleddra Inc.
Filed Dec 19, 2013 as application 14/135,116 · Granted Oct 20, 2015
Base term plus 208 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Jun 15, 2012
Jun 15, 2012
Term ends
Jan 9, 2033
Jan 9, 2033
Granted
Oct 20, 2015
Oct 20, 2015
base term
patent term adjustment
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
208
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.
This patent's term runs 208 days past its 20-year base term on 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 Jun 15, 2012, when application 13/525,249, the earliest non-provisional in its chain, was filed (this one was filed Dec 19, 2013) | Jun 15, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +208 days, USPTO patent term adjustment record | Jan 9, 2033 | 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 | Jan 9, 2033 | High confidence |
This family
| US 8,749,167 | Lapsed on the fee record 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 | this patent 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 |
|---|---|---|---|
| Dec 19, 2013 Reel 31866, frame 168 | Hsia, Chungho; Shen, Pai-sheng | Lightel Technologies, Inc. | Assignment of Assignor's Interest |
| Apr 10, 2018 Reel 45497, frame 287 | 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
Jan 2033
Term ends Jan 9, 2033. Maintenance fees still fall due before then
Note
The 208 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
39
later US patents cite this one
That is top 25% 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.