Term ended Sep 16, 2026 · High confidence
20-year base term ended Feb 9, 2026
Filed Feb 9, 2006 as application 11/351,070 · Granted Apr 7, 2009
Base term plus 219 days of patent term adjustment (USPTO delay)
Today
Term ended Sep 16, 2026
2006
2026
Clock starts
Feb 9, 2006
Feb 9, 2006
Term ended
Sep 16, 2026
Sep 16, 2026
Granted
Apr 7, 2009
Apr 7, 2009
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
219
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
This patent's term runs 219 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Feb 9, 2006, when this application, 11/351,070, was filed | Feb 9, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +219 days, USPTO patent term adjustment record | Sep 16, 2026 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Sep 16, 2026 | High confidence |
This family
| US 7,516,274 | this patent Sep 2026 | Sep 2026 |
| US 7,412,570 | In force Feb 2027 | Feb 2027 |
| US 7,533,242 | In force Feb 2027 | Feb 2027 |
| US 7,904,659 | In force Jul 2028 | Jul 2028 |
| US 7,899,990 | In force no later than Jul 2028 | no later than Jul 2028 |
| US 7,958,312 | In force no later than Nov 2028 | no later than Nov 2028 |
| US 7,443,759 | In force Apr 2027 | Apr 2027 |
| US 7,663,961 | In force Aug 2028 | Aug 2028 |
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 |
|---|---|---|---|
| Apr 24, 2006 Reel 17518, frame 150 | Moll, Laurent R.; Song, Seungyoon Peter; Glaskowsky, Peter N.; Cheng, Yu Qing | Montalvo Systems | Assignment of Assignor's Interest |
| May 16, 2008 Reel 20957, frame 434 | Montalvo Systems, Inc. | Sun Microsystems, Inc. | Assignment of Assignor's Interest |
| Jun 30, 2008 Reel 21171, frame 578 | Montalvo Systems, Inc. | Sun Microsystems, Inc.; Sun Microsystems Technology Ltd. | Assignment of Assignor's Interest |
| Jun 30, 2008 reel/frame not recorded | Montalvo Systems, Inc. | Sun Microsystems, Inc. | Assignment of Assignor's Interest |
| Jun 30, 2008 reel/frame not recorded | Montalvo Systems, Inc. | Sun Microsystems Technology Ltd. | 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 219 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
17
later US patents cite this one
That is above 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.