Collateral for a security interest recorded Oct 23, 2018 (Pacific Western Bank).
Lapsed May 18, 2025 on the fee record · High confidence
20-year base term ends Feb 21, 2034
First maintenance fee unpaid; grace period ended.
Held by Nlight, Inc.
Filed Sep 25, 2018 as application 16/141,504 · Granted May 18, 2021
Base term, 20 years from filing, plus 219 days of patent term adjustment (USPTO delay)
Today
Lapsed May 18, 2025
2014
2034
Clock starts
Feb 21, 2014
Feb 21, 2014
No longer in force
May 18, 2025
May 18, 2025
Granted
May 18, 2021
May 18, 2021
Term would have run to
Sep 28, 2034
Sep 28, 2034
base term
patent term adjustment
after the term ends
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
219
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
12
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 Sep 28, 2034: its 20-year base term plus 219 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 Feb 21, 2014, when application PCT/US2014/017841, the earliest non-provisional in its chain, was filed (this one was filed Sep 25, 2018) | Feb 21, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +219 days, USPTO patent term adjustment record | Sep 28, 2034 | 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 | 0 of 3 maintenance fees paid | lapsed May 18, 2025 | High confidence |
| Computed term end | The steps above, in order | May 18, 2025 | High confidence |
This family
| Application 61/875,679 | Provisional application no patent term | no patent term |
| US 9,537,042 | In force Mar 2035 | Mar 2035 |
| US 9,842,665 | In force Feb 2035 | Feb 2035 |
| US 10,100,393 | Lapsed on the fee record Oct 2022 | Oct 2022 |
| US 10,464,172 | In force Oct 2035 | Oct 2035 |
| US 10,692,620 | In force Jan 2034 | Jan 2034 |
| US 11,008,644 | this patent May 2025 | May 2025 |
| US 11,411,132 | In force Feb 2034 | Feb 2034 |
8 of 12 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 |
|---|---|---|---|
| Sep 26, 2018 Reel 46983, frame 271 | Dittli, Adam; Martinsen, Robert J. | Nlight Photonics Corporation | Assignment of Assignor's Interest |
| Sep 26, 2018 Reel 47155, frame 399 | Nlight Photonics Corporation | Nlight, Inc. | Change of Name |
| Oct 23, 2018 Reel 47291, frame 833 | 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
Note
The 219 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2021 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.