Collateral for a security interest recorded May 19, 2022 (Pacific Western Bank).
Term ends Feb 2, 2031 · High confidence
20-year base term ends Feb 2, 2031
Held by Nlight, Inc.
Filed Feb 2, 2011 as application 13/020,004 · Granted Aug 28, 2012
Base term, 20 years from filing
Today
2011
2031
Clock starts
Feb 2, 2011
Feb 2, 2011
Term ends
Feb 2, 2031
Feb 2, 2031
Granted
Aug 28, 2012
Aug 28, 2012
base term
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.
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.
2
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. 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 Feb 2, 2011, when this application, 13/020,004, was filed | Feb 2, 2031 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 2, 2031 | High confidence |
This family
| US 8,254,009 | this patent Feb 2031 | Feb 2031 |
| US 8,493,645 | In force Feb 2031 | Feb 2031 |
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 |
|---|---|---|---|
| Apr 26, 2012 Reel 28112, frame 189 | Yafuso, Eiji | PV Labs, Inc. | Assignment of Assignor's Interest |
| May 19, 2015 Reel 35670, frame 1 | PV Labs Inc. | BDC Capital Inc., a Wholly-Owned Subsidiary of Business Development Bank of Canada | Security Interest |
| Mar 29, 2016 Reel 38121, frame 760 | BDC Capital Inc. a Wholly-Owned Subsidiary of Business Development Bank of Canada | PV Labs Inc. | Release of Security Interest |
| May 13, 2016 Reel 38586, frame 919 | BCD Capital Inc. | PV Labs Inc. | Release of Security Interest |
| May 14, 2016 Reel 38596, frame 636 | PV Labs Inc. | Tetravue Inc. | Assignment of Assignor's Interest |
| Feb 2, 2018 Reel 45252, frame 219 | 902878 Ontario Limited; PV Labs Inc. | PV Labs Ltd. | Nunc Pro Tunc Assignment |
| Aug 26, 2020 Reel 53609, frame 458 | Tetravue, Inc. | James L. Kennedy, Trustee | Court Appointment |
| Aug 28, 2020 Reel 53630, frame 914 | James L. Kennedy, Trustee | Nlight, Inc. | Assignment of Assignor's Interest |
| May 19, 2022 Reel 59963, frame 32 | Nlight, Inc. | Pacific Western Bank | Security 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 2031
Term ends Feb 2, 2031. No further fees fall due before then
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2012 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.