Term ends Dec 20, 2037 · Medium confidence
20-year base term ends Dec 20, 2037
Why Medium: A parent in the chain could not be resolved.
Held by Lashify, Inc.
Filed May 1, 2018 as application 15/968,453 · Granted May 5, 2020
Base term, 20 years from filing
Today
2017
2037
Clock starts
Dec 20, 2017
Dec 20, 2017
Term ends
Dec 20, 2037
Dec 20, 2037
Granted
May 5, 2020
May 5, 2020
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
1 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.
38
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. 1 of 3 maintenance fees is paid so far. Confidence: Medium. 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 Dec 20, 2017, when application PCT/US2017/067513, the earliest non-provisional in its chain, was filed (this one was filed May 1, 2018); a parent in its chain could not be resolved (the next row) | Dec 20, 2037 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 20, 2037 | Medium confidence |
This family
| US D867,668 | In force Nov 2034 | Nov 2034 |
| Application PCT/US2017/044217 | PCT application no patent term | no patent term |
| Application PCT/US2017/067513 | PCT application no patent term | no patent term |
| US 10,660,388 | In force Jul 2037 | Jul 2037 |
| US 10,638,826 | this patent Dec 2037 | Dec 2037 |
| US D877,416 | In force Mar 2035 | Mar 2035 |
| US D850,715 | In force Jun 2034 | Jun 2034 |
| US D981,049 | In force no later than Mar 2038 | no later than Mar 2038 |
8 of 38 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 |
|---|---|---|---|
| Jan 7, 2020 Reel 51440, frame 58 | Lotti, Sahara | Lashify, Inc. | Assignment of Assignor's Interest |
| Apr 12, 2021 Reel 56729, frame 942 | Lotti, Sahara | Lashify, Inc. | Corrective Assignment to Correct the Spelling of the Receiving Party City Previously Recorded on Reel 051440 Frame 0058. Assignor(S) Hereby Confirms the Assignment. |
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
Dec 2037
Term ends Dec 20, 2037. Maintenance fees still fall due before then
Citations
66
later US patents cite this one
That is top 5% of utility patents granted in 2020 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.