Lapsed Jun 23, 2023 on the fee record · High confidence
20-year base term ends Dec 5, 2026
Second maintenance fee unpaid; grace period ended.
Held by Altera Corporation
Filed Jan 17, 2013 as application 13/743,819 · Granted Jun 23, 2015
Base term, 20 years from filing, plus 359 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 23, 2023
2006
2027
Clock starts
Dec 5, 2006
Dec 5, 2006
No longer in force
Jun 23, 2023
Jun 23, 2023
Granted
Jun 23, 2015
Jun 23, 2015
Term would have run to
Nov 29, 2027
Nov 29, 2027
base term
patent term adjustment
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
359
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
5
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 Nov 29, 2027: its 20-year base term plus 359 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 Dec 5, 2006, when application 11/566,982, the earliest non-provisional in its chain, was filed (this one was filed Jan 17, 2013) | Dec 5, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +359 days, USPTO patent term adjustment record | Nov 29, 2027 | 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 | 1 of 3 maintenance fees paid | lapsed Jun 23, 2023 | High confidence |
| Computed term end | The steps above, in order | Jun 23, 2023 | High confidence |
This family
| US 7,930,336 | In force Sep 2029 | Sep 2029 |
| US 8,386,553 | Lapsed on the fee record Feb 2021 | Feb 2021 |
| US 9,063,870 | this patent Jun 2023 | Jun 2023 |
| US 9,395,953 | Lapsed on the fee record Jul 2024 | Jul 2024 |
4 of 5 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
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 359 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2015 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.