Collateral for a security interest recorded Sep 12, 2025 (Barclays Bank PLC).
Term ended May 16, 2026 · High confidence
20-year base term ended May 16, 2026
Held by Altera Corporation
Filed May 16, 2006 as application 11/435,416 · Granted Jan 20, 2009
Base term, 20 years from filing
Today
Term ended May 16, 2026
2006
2026
Clock starts
May 16, 2006
May 16, 2006
Term ended
May 16, 2026
May 16, 2026
Granted
Jan 20, 2009
Jan 20, 2009
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
7
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 is its 20-year base term, with no adjustment for 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 May 16, 2006, when this application, 11/435,416, was filed | May 16, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | May 16, 2026 | High confidence |
This family
| US 7,479,798 | this patent May 2026 | May 2026 |
| US 8,604,823 | In force Feb 2027 | Feb 2027 |
| Application 14/089,364 | Abandoned not computed | not computed |
| US 9,755,650 | Lapsed on the fee record Sep 2025 | Sep 2025 |
| US 10,720,927 | In force Dec 2026 | Dec 2026 |
| Application 15/639,869 | Abandoned not computed | not computed |
| Application 16/919,941 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| May 16, 2006 Reel 17888, frame 762 | Reese, Laura | Altera Corporation | Assignment of Assignor's Interest |
| Sep 12, 2025 Reel 73431, frame 309 | Altera Corporation | Barclays Bank PLC, as Collateral Agent | Security 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.
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.