Lapsed Apr 28, 2013 on the fee record · High confidence
20-year base term ended Mar 31, 2024
First maintenance fee unpaid; grace period ended.
Held by Intel Corporation
Filed Jun 28, 2005 as application 11/170,294 · Granted Apr 28, 2009
Base term, 20 years from filing, plus 521 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 28, 2013
2004
2026
Clock starts
Mar 31, 2004
Mar 31, 2004
No longer in force
Apr 28, 2013
Apr 28, 2013
Granted
Apr 28, 2009
Apr 28, 2009
Term would have run to
Sep 3, 2025
Sep 3, 2025
base term
patent term adjustment
after the term ends
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
521
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
10
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 3, 2025: its 20-year base term plus 521 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 31, 2004, when application 10/815,895, the earliest non-provisional in its chain, was filed (this one was filed Jun 28, 2005) | Mar 31, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +521 days, USPTO patent term adjustment record | Sep 3, 2025 | 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 | 0 of 3 maintenance fees paid | lapsed Apr 28, 2013 | High confidence |
| Computed term end | The steps above, in order | Apr 28, 2013 | High confidence |
This family
| US 7,783,769 | In force Nov 2026 | Nov 2026 |
| Application PCT/US2004/021015 | PCT application no patent term | no patent term |
| US 7,788,391 | In force Jun 2027 | Jun 2027 |
| US 8,121,125 | In force Nov 2026 | Nov 2026 |
| US 8,238,360 | Term ended Jun 2026 | Jun 2026 |
| US 7,525,967 | this patent Apr 2013 | Apr 2013 |
| US 8,929,381 | Term ended Mar 2024 | Mar 2024 |
| US 9,602,443 | Term ended Mar 2024 | Mar 2024 |
8 of 10 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 |
|---|---|---|---|
| Jun 28, 2005 Reel 16747, frame 250 | Vasudevan, Anil; Sen, Sujoy; Diamant, Nimrod | Intel 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 521 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
11
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.