Collateral for a security interest recorded Dec 12, 2024 (Wilmington Trust, National Association).
Term ends Jan 28, 2040 · High confidence
20-year base term ends Sep 25, 2039
Held by Dropbox, Inc.
Filed Sep 25, 2019 as application 16/582,809 · Granted Dec 7, 2021
Base term plus 125 days of patent term adjustment (USPTO delay)
Today
2019
2040
Clock starts
Sep 25, 2019
Sep 25, 2019
Term ends
Jan 28, 2040
Jan 28, 2040
Granted
Dec 7, 2021
Dec 7, 2021
base term
patent term adjustment
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
125
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
12
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 125 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 25, 2019, when this application, 16/582,809, was filed | Sep 25, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +125 days, USPTO patent term adjustment record | Jan 28, 2040 | 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 | Jan 28, 2040 | High confidence |
This family
| US 10,657,228 | In force Sep 2039 | Sep 2039 |
| US 10,664,319 | In force Sep 2039 | Sep 2039 |
| US 11,194,766 | In force Sep 2039 | Sep 2039 |
| US 11,194,767 | this patent Jan 2040 | Jan 2040 |
| US 10,754,827 | In force Sep 2039 | Sep 2039 |
| US 11,100,053 | In force Nov 2039 | Nov 2039 |
| US 11,112,941 | In force Sep 2039 | Sep 2039 |
| Application PCT/US2019/057636 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Nov 26, 2019 Reel 51113, frame 517 | Kaplan, Joshua; Terk, Jason; Yeung, Stan | Dropbox, Inc. | Assignment of Assignor's Interest |
| Mar 10, 2021 Reel 55670, frame 219 | Dropbox, Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Patent Security Agreement |
| Dec 12, 2024 Reel 69604, frame 611 | Dropbox, Inc. | Wilmington Trust, National Association, as Collateral Agent | Security Interest |
| Dec 13, 2024 Reel 69635, frame 332 | JPMorgan Chase Bank, N.A., as Collateral Agent | Dropbox, Inc. | Release of Security Interest |
| Jun 5, 2026 Reel 76607, frame 1 | Dropbox, Inc. | Jpmorgan Chase Bank, N.a. | 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
Jan 2040
Term ends Jan 28, 2040. Maintenance fees still fall due before then
Note
The 125 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
9
later US patents cite this one
That is top 25% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.