Lapsed May 26, 2023 on the fee record · High confidence
20-year base term ends Dec 12, 2032
Second maintenance fee unpaid; grace period ended.
Held by Cirrus Logic Inc.
Filed Dec 12, 2012 as application 13/712,711 · Granted May 26, 2015
Base term, 20 years from filing
Today
Lapsed May 26, 2023
2012
2032
Clock starts
Dec 12, 2012
Dec 12, 2012
No longer in force
May 26, 2023
May 26, 2023
Granted
May 26, 2015
May 26, 2015
Term would have run to
Dec 12, 2032
Dec 12, 2032
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.
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.
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 Dec 12, 2032: its 20-year base term, with no 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 12, 2012, when this application, 13/712,711, was filed | Dec 12, 2032 | 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 | 1 of 3 maintenance fees paid | lapsed May 26, 2023 | High confidence |
| Computed term end | The steps above, in order | May 26, 2023 | High confidence |
This family
| US 9,042,867 | this patent May 2023 | May 2023 |
| US 9,917,833 | Lapsed on the fee record Mar 2026 | Mar 2026 |
| US 10,749,864 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 11,545,155 | In force Aug 2033 | Aug 2033 |
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 |
|---|---|---|---|
| Dec 20, 2012 Reel 29511, frame 460 | Gomar, Marta Garcia | Agnitio SL | Assignment of Assignor's Interest |
| Jul 27, 2015 Reel 36190, frame 421 | Agnitio, S.l. | Cirrus Logic International Semiconductor Ltd. | Assignment of Assignor's Interest |
| Nov 20, 2015 Reel 37151, frame 328 | Agnitio, S.l. | Cirrus Logic International Semiconductor Ltd. | Assignment of Assignor's Interest |
| Feb 22, 2016 Reel 37786, frame 690 | Cirrus Logic International Semiconductor Ltd. | Cirrus Logic Inc. | 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.
Citations
508
later US patents cite this one
That is top 1% 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.