Term ends Feb 18, 2039 · High confidence
20-year base term ends Sep 7, 2038
Held by Smartlens, Inc.
Filed Dec 29, 2020 as application 17/137,067 · Granted Sep 19, 2023
Base term plus 164 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Sep 7, 2018
Sep 7, 2018
Term ends
Feb 18, 2039
Feb 18, 2039
Granted
Sep 19, 2023
Sep 19, 2023
base term
patent term adjustment
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
164
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,898,074, to Feb 18, 2039. The term already ends on or before that date, so the cap shortened nothing.
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.
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 runs 164 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 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 Sep 7, 2018, when application 16/124,630, the earliest non-provisional in its chain, was filed (this one was filed Dec 29, 2020) | Sep 7, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +164 days, USPTO patent term adjustment record | Feb 18, 2039 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,898,074) | resolves to Feb 18, 2039, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 18, 2039 | High confidence |
This family
| US 10,898,074 | In force Jun 2039 | Jun 2039 |
| US 11,759,107 | this patent Feb 2039 | Feb 2039 |
| US 12,262,950 | Term ended 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 |
|---|---|---|---|
| Apr 20, 2023 Reel 63388, frame 735 | Araci, Ismail Emre; Agaoglu, Sevda; Baday, Murat; Diep, Priscilla | Santa Clara University | Assignment of Assignor's Interest |
| Apr 20, 2023 Reel 63399, frame 524 | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2039
Term ends Feb 18, 2039. Maintenance fees still fall due before then
Note
The 164 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,898,074, ends no earlier than this term, so it caps nothing.
Citations
11
later US patents cite this one
That is top 10% of utility patents granted in 2023 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.