Term ends Jan 27, 2039 · High confidence
20-year base term ends Aug 3, 2037
Held by Salesforce, Inc.
Filed Aug 3, 2017 as application 15/667,938 · Granted Nov 17, 2020
Base term plus 542 days of patent term adjustment (USPTO delay)
Today
2017
2039
Clock starts
Aug 3, 2017
Aug 3, 2017
Term ends
Jan 27, 2039
Jan 27, 2039
Granted
Nov 17, 2020
Nov 17, 2020
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
542
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.
This patent's term runs 542 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 Aug 3, 2017, when this application, 15/667,938, was filed | Aug 3, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +542 days, USPTO patent term adjustment record | Jan 27, 2039 | 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 27, 2039 | 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 |
|---|---|---|---|
| Dec 8, 2017 Reel 44339, frame 203 | Khandelwal, Nilesh | Numerx, Inc. | Assignment of Assignor's Interest |
| Dec 8, 2017 Reel 44339, frame 248 | Numerx, Inc. | Mulesoft, Inc. | Assignment of Assignor's Interest |
| Dec 8, 2017 Reel 44339, frame 183 | Wu, Jiang; Vailaya, Aditya | Mulesoft, Inc. | Assignment of Assignor's Interest |
| Oct 9, 2018 Reel 47207, frame 56 | Mulesoft, Inc. | Mulesoft, LLC | Change of Name |
| Mar 10, 2025 Reel 70454, frame 704 | Mulesoft, LLC | Salesforce, 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
Jan 2039
Term ends Jan 27, 2039. Maintenance fees still fall due before then
Note
The 542 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is above the median 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.