Term ends Feb 23, 2032 · High confidence
20-year base term ended Apr 27, 2026
Held by Kyndryl, Inc.
Filed Jan 24, 2008 as application 11/996,633 · Granted Aug 11, 2015
Base term plus 2128 days of patent term adjustment (USPTO delay)
Today
2006
2032
Clock starts
Apr 27, 2006
Apr 27, 2006
Term ends
Feb 23, 2032
Feb 23, 2032
Granted
Aug 11, 2015
Aug 11, 2015
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
2,128
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.
6
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 2128 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Apr 27, 2006, when application PCT/EP2006/061873, the earliest non-provisional in its chain, was filed (this one was filed Jan 24, 2008) | Apr 27, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +2128 days, USPTO patent term adjustment record | Feb 23, 2032 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Feb 23, 2032 | High confidence |
This family
| US 9,106,616 | this patent Feb 2032 | Feb 2032 |
| US 9,264,408 | Term ended Apr 2026 | Apr 2026 |
| US 9,325,675 | Term ended Apr 2026 | Apr 2026 |
| US 9,380,035 | Term ended Apr 2026 | Apr 2026 |
| US 9,516,037 | Term ended Apr 2026 | Apr 2026 |
5 of 6 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 24, 2008 Reel 20407, frame 854 | Carro, Fernando Incertis | International Business Machines Corporation | Assignment of Assignor's Interest |
| Oct 13, 2021 Reel 57885, frame 644 | International Business Machines Corporation | Kyndryl, 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 2032
Term ends Feb 23, 2032. Maintenance fees still fall due before then
Note
The 2128 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
70
later US patents cite this one
That is top 10% of utility patents granted in 2015 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.