Lapsed Apr 1, 2026 on the fee record · High confidence
20-year base term ends Oct 21, 2029
Third maintenance fee unpaid; grace period ended.
Held by Compuverde AB
Filed Jul 6, 2011 as application 13/125,524 · Granted Apr 1, 2014
Base term, 20 years from filing, plus 117 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 1, 2026
2009
2030
Clock starts
Oct 21, 2009
Oct 21, 2009
No longer in force
Apr 1, 2026
Apr 1, 2026
Granted
Apr 1, 2014
Apr 1, 2014
Term would have run to
Feb 15, 2030
Feb 15, 2030
base term
patent term adjustment
after the term ends
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
117
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.
8
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Feb 15, 2030: its 20-year base term plus 117 days of term adjustment for prosecution delay. 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 Oct 21, 2009, when application PCT/EP2009/063796, the earliest non-provisional in its chain, was filed (this one was filed Jul 6, 2011) | Oct 21, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +117 days, USPTO patent term adjustment record | Feb 15, 2030 | 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 | lapsed Apr 1, 2026 | High confidence |
| Computed term end | The steps above, in order | Apr 1, 2026 | High confidence |
This family
| US 9,329,955 | Lapsed on the fee record May 2024 | May 2024 |
| US 9,026,559 | In force Oct 2029 | Oct 2029 |
| US 8,688,630 | this patent Apr 2026 | Apr 2026 |
| US 9,495,432 | Lapsed on the fee record Nov 2024 | Nov 2024 |
| US 10,650,022 | In force Oct 2029 | Oct 2029 |
| US 11,468,088 | In force Oct 2029 | Oct 2029 |
| US 11,907,256 | In force Oct 2029 | Oct 2029 |
7 of 8 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 |
|---|---|---|---|
| Jul 7, 2011 Reel 26555, frame 265 | Bernbo, Stefan; Melander, Christian; Persson, Roger; Petersson, Gustav | Ilt Innovations AB | Assignment of Assignor's Interest |
| Sep 27, 2013 Reel 31313, frame 804 | Ilt Innovations AB | Compuverde AB | Change of Name |
| Aug 26, 2020 Reel 53867, frame 581 | Pure Storage, Inc. | Barclays Bank PLC as Administrative Agent | Security Interest |
| Jun 11, 2025 Reel 71558, frame 523 | Barclays Bank PLC, as Administrative Agent | Pure Storage, Inc. | Termination and Release of Security Interest in Patent Rights |
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
Note
The 117 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
19
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.