Lapsed Jan 7, 2018 on the fee record · High confidence
20-year base term ended Dec 14, 2024
First maintenance fee unpaid; grace period ended.
Filed Jun 13, 2006 as application 11/452,181 · Granted Jan 7, 2014
Base term, 20 years from filing, plus 1452 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 7, 2018
2004
2028
Clock starts
Dec 14, 2004
Dec 14, 2004
No longer in force
Jan 7, 2018
Jan 7, 2018
Granted
Jan 7, 2014
Jan 7, 2014
Term would have run to
Dec 5, 2028
Dec 5, 2028
base term
patent term adjustment
after the term ends
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
1,452
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 8,645,513, to Dec 5, 2028. The term already ends on or before that date, so the cap shortened nothing.
0 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 Dec 5, 2028: its 20-year base term plus 1452 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jun 13, 2006) | Dec 14, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1452 days, USPTO patent term adjustment record | Dec 5, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,645,513) | resolves to Dec 5, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Jan 7, 2018 | High confidence |
| Computed term end | The steps above, in order | Jan 7, 2018 | High confidence |
This family
| US 8,645,513 | Lapsed on the fee record Feb 2026 | Feb 2026 |
| US 7,568,022 | Lapsed on the fee record 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 | this patent 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 |
|---|---|---|---|
| Oct 19, 2006 Reel 18419, frame 482 | Andreev, Dmitry; Greenstein, Paul Gregory; Vilshansky, Gregory | International Business Machines Corporation | 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 1452 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 8,645,513, ends no earlier than this term, so it caps nothing.
Citations
7
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.