Lapsed Jan 10, 2024 on the fee record · Medium confidence
20-year base term ends May 27, 2027
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Third maintenance fee unpaid; grace period ended.
Held by Altera Corporation
Filed Apr 6, 2009 as application 12/419,289 · Granted Jan 10, 2012
Base term, 20 years from filing
Today
Lapsed Jan 10, 2024
2007
2027
Clock starts
May 27, 2007
May 27, 2007
No longer in force
Jan 10, 2024
Jan 10, 2024
Granted
Jan 10, 2012
Jan 10, 2012
Term would have run to
May 27, 2027
May 27, 2027
base term
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
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
4
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 May 27, 2027: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. Confidence: Medium. 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 27, 2007, when application 11/754,300, the earliest non-provisional in its chain, was filed (this one was filed Apr 6, 2009) | May 27, 2027 | 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 | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Jan 10, 2024 | High confidence |
| Computed term end | The steps above, in order | Jan 10, 2024 | Medium confidence |
This family
| US 7,521,959 | Lapsed on the fee record Apr 2021 | Apr 2021 |
| US 8,093,922 | this patent Jan 2024 | Jan 2024 |
| US 8,723,549 | In force no later than May 2027 | no later than May 2027 |
| US 9,490,814 | Lapsed on the fee record Nov 2024 | Nov 2024 |
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 |
|---|---|---|---|
| Sep 17, 2009 Reel 23249, frame 569 | Teig, Steven; Schmit, Herman; Huang, Randy Renfu | Tabula, Inc. | Assignment of Assignor's Interest |
| May 27, 2015 Reel 35783, frame 55 | Tabula, Inc. | Tabula (Assignment for the Benefit of Creditors), LLC | Assignment of Assignor's Interest |
| Jul 2, 2015 Reel 36050, frame 792 | Tabula (Assignment for the Benefit of Creditors), LLC | Altera 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
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Jan 10, 2024. We will not guess the cap.
Citations
17
later US patents cite this one
That is above the median of utility patents granted in 2012 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.