Term ends Feb 1, 2032 · High confidence
20-year base term ends Nov 25, 2029
Held by Nlight, Inc.
Filed Nov 25, 2009 as application 12/626,492 · Granted Jun 25, 2013
Base term plus 798 days of patent term adjustment (USPTO delay)
Today
2009
2032
Clock starts
Nov 25, 2009
Nov 25, 2009
Term ends
Feb 1, 2032
Feb 1, 2032
Granted
Jun 25, 2013
Jun 25, 2013
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
798
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
7
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 798 days past its 20-year base term on 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 Nov 25, 2009, when this application, 12/626,492, was filed | Nov 25, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +798 days, USPTO patent term adjustment record | Feb 1, 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 | 3 of 3 maintenance fees paid | In force (reinstated) | High confidence |
| Computed term end | The steps above, in order | Feb 1, 2032 | High confidence |
This family
| US 8,471,895 | this patent Feb 2032 | Feb 2032 |
| US 9,007,439 | In force Nov 2029 | Nov 2029 |
| US 10,218,962 | In force Nov 2029 | Nov 2029 |
| US 10,897,610 | In force Nov 2029 | Nov 2029 |
| US 11,627,300 | In force Nov 2029 | Nov 2029 |
| US 12,081,725 | In force Nov 2029 | Nov 2029 |
| Application 18/803,207 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Mar 5, 2010 Reel 24038, frame 555 | Banks, Paul S. | Tetravue, Inc. | Assignment of Assignor's Interest |
| Sep 8, 2020 Reel 53726, frame 84 | Tetravue, Inc. | James L. Kennedy, Trustee | Court Appointment |
| Sep 8, 2020 Reel 53726, frame 897 | James L. Kennedy, Trustee | Nlight, 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
Feb 2032
Term ends Feb 1, 2032. No further fees fall due before then
Note
The 798 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
488
later US patents cite this one
That is top 1% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.