Term ends Jan 17, 2027 · High confidence
20-year base term ended Sep 7, 2026
Held by Kyndryl, Inc.
Filed Jul 22, 2014 as application 14/337,825 · Granted Apr 26, 2016
Base term plus 132 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Sep 7, 2006
Sep 7, 2006
Term ends
Jan 17, 2027
Jan 17, 2027
Granted
Apr 26, 2016
Apr 26, 2016
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
132
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,904,529, to Jan 17, 2027. The term already ends on or before that date, so the cap shortened nothing.
2 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.
2
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 132 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 2 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 Sep 7, 2006, when application 11/517,165, the earliest non-provisional in its chain, was filed (this one was filed Jul 22, 2014) | Sep 7, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +132 days, USPTO patent term adjustment record | Jan 17, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,904,529) | resolves to Jan 17, 2027, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 17, 2027 | High confidence |
This family
| US 8,904,529 | In force Jul 2031 | Jul 2031 |
| US 9,325,725 | this patent Jan 2027 | Jan 2027 |
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 |
|---|---|---|---|
| Feb 11, 2016 Reel 37714, frame 371 | Ward, Matthew | Internet Security Systems, Inc. | Assignment of Assignor's Interest |
| Feb 11, 2016 Reel 37715, frame 156 | Internet Security Systems, Inc. | 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
Jan 2027
Term ends Jan 17, 2027. No further fees fall due before then
Note
The 132 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,904,529, ends no earlier than this term, so it caps nothing.
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2016 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.