Term ends Feb 16, 2039 · High confidence
20-year base term ends Sep 26, 2036
Held by Cisco Technology, Inc.
Filed Apr 29, 2019 as application 16/398,038 · Granted Feb 14, 2023
Base term plus 873 days of patent term adjustment (USPTO delay)
Today
2016
2039
Clock starts
Sep 26, 2016
Sep 26, 2016
Term ends
Feb 16, 2039
Feb 16, 2039
Granted
Feb 14, 2023
Feb 14, 2023
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
873
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.
94
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 873 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 26, 2016, when application 15/276,717, the earliest non-provisional in its chain, was filed (this one was filed Apr 29, 2019) | Sep 26, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +873 days, USPTO patent term adjustment record | Feb 16, 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 | Feb 16, 2039 | High confidence |
This family
| US 10,353,965 | In force Aug 2037 | Aug 2037 |
| US 10,474,723 | In force Mar 2038 | Mar 2038 |
| US 10,599,723 | In force Aug 2038 | Aug 2038 |
| US 10,592,562 | In force Sep 2038 | Sep 2038 |
| US 10,592,563 | In force Aug 2038 | Aug 2038 |
| US 10,592,561 | In force Sep 2038 | Sep 2038 |
| US 10,599,724 | In force Aug 2038 | Aug 2038 |
| US 10,585,951 | In force Aug 2038 | Aug 2038 |
8 of 94 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 |
|---|---|---|---|
| Feb 4, 2020 Reel 51712, frame 786 | Pal, Sourav; Bhattacharjee, Arindam; Andrade, Asha; Roy, Nikhil | Splunk Inc. | Nunc Pro Tunc Assignment |
| Jul 22, 2025 Reel 72170, frame 599 | Splunk Inc. | Splunk LLC | Change of Name |
| Jul 22, 2025 Reel 72173, frame 58 | Splunk LLC | Cisco Technology, 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
Feb 2039
Term ends Feb 16, 2039. Maintenance fees still fall due before then
Note
The 873 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
162
later US patents cite this one
That is top 1% of utility patents granted in 2023 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.