Lapsed Jul 28, 2021 on the fee record · High confidence
20-year base term ended Dec 14, 2024
Third maintenance fee unpaid; grace period ended.
Held by Kyndryl, Inc.
Filed Feb 17, 2005 as application 11/060,007 · Granted Jul 28, 2009
Base term, 20 years from filing, plus 1072 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 28, 2021
2004
2027
Clock starts
Dec 14, 2004
Dec 14, 2004
No longer in force
Jul 28, 2021
Jul 28, 2021
Granted
Jul 28, 2009
Jul 28, 2009
Term would have run to
Nov 21, 2027
Nov 21, 2027
base term
patent term adjustment
after the term ends
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
1,072
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.
11
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 Nov 21, 2027: its 20-year base term plus 1072 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 Dec 14, 2004, when application 11/011,449, the earliest non-provisional in its chain, was filed (this one was filed Feb 17, 2005) | Dec 14, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1072 days, USPTO patent term adjustment record | Nov 21, 2027 | 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 Jul 28, 2021 | High confidence |
| Computed term end | The steps above, in order | Jul 28, 2021 | High confidence |
This family
| US 8,645,513 | Lapsed on the fee record Feb 2026 | Feb 2026 |
| US 7,568,022 | this patent Jul 2021 | Jul 2021 |
| US 8,028,334 | Lapsed on the fee record Sep 2015 | Sep 2015 |
| US 7,797,739 | Lapsed on the fee record Sep 2014 | Sep 2014 |
| US 11,477,093 | In force Oct 2032 | Oct 2032 |
| US 7,523,092 | Term ended Nov 2025 | Nov 2025 |
| US 8,626,887 | Lapsed on the fee record Jan 2018 | Jan 2018 |
| US 7,937,462 | Lapsed on the fee record May 2015 | May 2015 |
8 of 11 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 |
|---|---|---|---|
| Mar 25, 2005 Reel 15960, frame 247 | Andreev, Dmitry; Greenstein, Paul G.; Grunin, Galina; Vilshansky, Gregory | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 1072 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
8
later US patents cite this one
That is below the median of utility patents granted in 2009 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.