Collateral for a security interest recorded Dec 12, 2024 (Wilmington Trust, National Association).
Term ends Oct 25, 2032 · High confidence
20-year base term ends Sep 7, 2032
Held by Cloudon Ltd.
Filed Sep 7, 2012 as application 13/607,601 · Granted Aug 28, 2018
Base term plus 48 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
Sep 7, 2012
Sep 7, 2012
Term ends
Oct 25, 2032
Oct 25, 2032
Granted
Aug 28, 2018
Aug 28, 2018
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
48
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
This patent's term runs 48 days past its 20-year base term on prosecution delay. 2 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, 2012, when this application, 13/607,601, was filed | Sep 7, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +48 days, USPTO patent term adjustment record | Oct 25, 2032 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 25, 2032 | High confidence |
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 30, 2013 Reel 29722, frame 887 | Binyamin, Shuki; Zaveri, Jay; Morgenstern, Meir; Gadekar, Milind | Apptou Technologies Ltd. | Assignment of Assignor's Interest |
| Dec 11, 2015 Reel 37277, frame 384 | Apptou Technologies Ltd. | Cloudon Ltd. | Change of Name |
| 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
Oct 2032
Term ends Oct 25, 2032. Maintenance fees still fall due before then
Note
The 48 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
155
later US patents cite this one
That is top 5% of utility patents granted in 2018 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.