Term ends Sep 2, 2031 · Medium confidence
20-year base term ends Sep 2, 2031
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 9,965,542), so the cap could be lower.
Filed Aug 5, 2020 as application 16/985,396 · Granted Jun 28, 2022
Base term plus 36 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2011
2031
Clock starts
Sep 2, 2011
Sep 2, 2011
Term ends
Sep 2, 2031
Sep 2, 2031
Granted
Jun 28, 2022
Jun 28, 2022
base term
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
36
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,430,443, US 10,769,177, US 9,305,012, US 9,965,542.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
7
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 36 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 2 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 2, 2011, when application 13/224,415, the earliest non-provisional in its chain, was filed (this one was filed Aug 5, 2020) | Sep 2, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +36 days, USPTO patent term adjustment record | Oct 8, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,430,443, US 10,769,177, US 9,305,012, US 9,965,542) | capped to Sep 2, 2031 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 2, 2031 | Medium confidence |
This family
| US 8,645,978 | Lapsed on the fee record Feb 2022 | Feb 2022 |
| US 9,305,012 | Lapsed on the fee record Apr 2024 | Apr 2024 |
| US 9,965,542 | Lapsed on the fee record May 2022 | May 2022 |
| US 10,430,443 | In force Sep 2031 | Sep 2031 |
| US 10,769,177 | In force Sep 2031 | Sep 2031 |
| US 11,372,897 | this patent Sep 2031 | Sep 2031 |
| Application 17/825,658 | Abandoned not computed | not computed |
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 5, 2020 Reel 53404, frame 929 | Bernbo, Stefan; Melander, Christian; Persson, Roger; Petersson, Gustav | Pure Storage, Inc., a Delaware Corporation | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Sep 2031
Term ends Sep 2, 2031. Maintenance fees still fall due before then
Note
The 36 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,430,443, US 10,769,177, US 9,305,012, US 9,965,542.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2022 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.