Term ends Nov 5, 2037 · Medium confidence
20-year base term ends Sep 28, 2036
Why Medium: A parent in the chain could not be resolved.
Held by Palo Alto Networks, Inc.
Filed Jan 3, 2017 as application 15/397,245 · Granted Mar 9, 2021
Base term plus 403 days of patent term adjustment (USPTO delay)
Today
2016
2037
Clock starts
Sep 28, 2016
Sep 28, 2016
Term ends
Nov 5, 2037
Nov 5, 2037
Granted
Mar 9, 2021
Mar 9, 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
403
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.
16
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 403 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: Medium. 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 28, 2016, when application 15/278,700, the earliest non-provisional in its chain, was filed (this one was filed Jan 3, 2017); a parent in its chain could not be resolved (the next row) | Sep 28, 2036 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +403 days, USPTO patent term adjustment record | Nov 5, 2037 | 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 | Nov 5, 2037 | Medium confidence |
This family
| US 10,915,628 | In force Nov 2036 | Nov 2036 |
| US 10,223,534 | In force Oct 2036 | Oct 2036 |
| US 10,586,042 | In force Oct 2036 | Oct 2036 |
| US 10,943,014 | this patent Nov 2037 | Nov 2037 |
| US 10,778,446 | In force Oct 2036 | Oct 2036 |
| US 10,599,833 | In force Apr 2037 | Apr 2037 |
| US 10,664,590 | In force Feb 2037 | Feb 2037 |
| US 10,922,418 | In force Jan 2037 | Jan 2037 |
8 of 16 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 |
|---|---|---|---|
| Jan 3, 2017 Reel 40828, frame 382 | Stopel, Dima; Levin, Liron | Twistlock, Ltd. | Assignment of Assignor's Interest |
| Aug 19, 2024 Reel 68685, frame 195 | Twistlock Ltd. | Palo Alto Networks, 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
Nov 2037
Term ends Nov 5, 2037. Maintenance fees still fall due before then
Note
The 403 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
30
later US patents cite this one
That is top 5% 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.