Lapsed Jan 28, 2022 on the fee record · High confidence
20-year base term ends Mar 12, 2030
Second maintenance fee unpaid; grace period ended.
Held by Kyndryl, Inc.
Filed Mar 12, 2010 as application 12/722,951 · Granted Jan 28, 2014
Base term, 20 years from filing, plus 555 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 28, 2022
2010
2031
Clock starts
Mar 12, 2010
Mar 12, 2010
No longer in force
Jan 28, 2022
Jan 28, 2022
Granted
Jan 28, 2014
Jan 28, 2014
Term would have run to
Sep 18, 2031
Sep 18, 2031
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
555
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.
2
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 Sep 18, 2031: its 20-year base term plus 555 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 Mar 12, 2010, when this application, 12/722,951, was filed | Mar 12, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +555 days, USPTO patent term adjustment record | Sep 18, 2031 | 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 | lapsed Jan 28, 2022 | High confidence |
| Computed term end | The steps above, in order | Jan 28, 2022 | High confidence |
This family
| US 8,639,801 | this patent Jan 2022 | Jan 2022 |
| US 9,571,352 | In force Apr 2030 | Apr 2030 |
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 |
|---|---|---|---|
| Mar 12, 2010 Reel 24073, frame 516 | Francis, William J.; McAloon, Daniel | Softlayer Technologies, Inc. | Assignment of Assignor's Interest |
| Aug 16, 2010 Reel 24842, frame 66 | Softlayer Technologies, Inc. | Deutsche Bank AG Cayman Islands Branch, as Collateral Agent | Security Interest |
| Nov 9, 2010 Reel 25832, frame 482 | Softlayer Technologies, Inc. | Suntrust Bank, As Collateral Agent | Security Agreement |
| Nov 12, 2010 Reel 25355, frame 221 | Deutsche Bank AG Cayman Islands Branch, as Collateral Agent | Softlayer Technologies, Inc. | Release of Security Interest |
| Jul 8, 2013 Reel 30763, frame 666 | Suntrust Bank | Softlayer Technologies, Inc. | Release of Security Interest |
| Jul 5, 2021 Reel 56754, frame 340 | Software Technologies, Inc. | International Business Machines Corporation | Assignment of Assignor's Interest |
| Jul 22, 2021 Reel 56963, frame 528 | Softlayer Technologies, Inc. | International Business Machines Corporation | Corrective Assignment to Correct the Conveying Party's Name Previously Recorded at Reel: 056754 Frame: 0340. Assignor(S) Hereby Confirms the Assignment . |
| 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
Note
The 555 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above the median 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.