Collateral for a security interest recorded Dec 12, 2024 (Wilmington Trust, National Association).
Term ends Apr 18, 2035 · High confidence
20-year base term ends Sep 10, 2032
Held by Cloudon Ltd.
Filed Apr 25, 2013 as application 13/870,918 · Granted Feb 6, 2018
Base term plus 950 days of patent term adjustment (USPTO delay)
Today
2012
2035
Clock starts
Sep 10, 2012
Sep 10, 2012
Term ends
Apr 18, 2035
Apr 18, 2035
Granted
Feb 6, 2018
Feb 6, 2018
base term
patent term adjustment
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
950
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.
3
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 950 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 10, 2012, when application 13/608,971, the earliest non-provisional in its chain, was filed (this one was filed Apr 25, 2013) | Sep 10, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +950 days, USPTO patent term adjustment record | Apr 18, 2035 | 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 | Apr 18, 2035 | High confidence |
This family
| US 9,606,629 | In force Aug 2033 | Aug 2033 |
| US 9,965,151 | In force Dec 2035 | Dec 2035 |
| US 9,886,189 | this patent Apr 2035 | Apr 2035 |
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 |
|---|---|---|---|
| Aug 12, 2013 Reel 30990, frame 443 | Zaveri, Jay; Glik, Tzahi; Morgenstern, Meir; Yaacoby, Doron; Crumlish, Christian; Masalar, Lucian; Copeland, Justin | Apptou Technologies Ltd. | Assignment of Assignor's Interest |
| Oct 10, 2014 Reel 33961, frame 517 | Zaveri, Jay; Glik, Tzahi; Morgenstern, Meir; Yaacoby, Doron; Crumlish, Christian; Masalar, Lucian; Copeland, Justin | Cloudon Ltd. | Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 030990 Frame: 0443. Assignor(S) Hereby Confirms the Assignment. |
| 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
Apr 2035
Term ends Apr 18, 2035. Maintenance fees still fall due before then
Note
The 950 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
24
later US patents cite this one
That is top 25% 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.