Term ended Feb 28, 2026 · High confidence
20-year base term ends Sep 7, 2038
Held by Smartlens, Inc.
Filed Aug 9, 2023 as application 18/447,033 · Granted Apr 1, 2025
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
Term ended Feb 28, 2026
2018
2038
Clock starts
Sep 7, 2018
Sep 7, 2018
Term ended
Feb 28, 2026
Feb 28, 2026
Granted
Apr 1, 2025
Apr 1, 2025
base term
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
None
Term adjustment
No prosecution delay on this record.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,898,074, US 12,440,103, US 7,346,824.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
5
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. A terminal disclaimer resolved from the filed document caps it earlier. 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 Sep 7, 2018, when application 16/124,630, the earliest non-provisional in its chain, was filed (this one was filed Aug 9, 2023) | Sep 7, 2038 | 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 | Disclaimer resolved from the filed document (refs US 10,898,074, US 12,440,103, US 7,346,824) | capped to Feb 28, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No maintenance fee can end the term early | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 28, 2026 | High confidence |
This family
| US 10,898,074 | In force Jun 2039 | Jun 2039 |
| US 11,759,107 | In force Feb 2039 | Feb 2039 |
| US 12,262,950 | this patent Feb 2026 | Feb 2026 |
| US 12,440,103 | Term ended Feb 2026 | Feb 2026 |
| Application 19/313,351 | 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 |
|---|---|---|---|
| Nov 13, 2024 Reel 69254, frame 248 | Araci, Ismail Emre; Agaoglu, Sevda; Baday, Murat; Diep, Priscilla | Santa Clara University | Assignment of Assignor's Interest |
| Nov 13, 2024 Reel 69356, frame 647 | Santa Clara University | Smartlens, 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.
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Alerts on its grants, lapses and transfers.
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,898,074, US 12,440,103, US 7,346,824.
Citations
4
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.