Lapsed Dec 1, 2023 on the fee record · High confidence
20-year base term ends Dec 13, 2030
Second maintenance fee unpaid; grace period ended.
Held by Apple Inc.
Filed Jun 3, 2013 as application 13/908,673 · Granted Dec 1, 2015
Base term, 20 years from filing, plus 131 days of patent term adjustment (USPTO delay)
Today
Lapsed Dec 1, 2023
2010
2031
Clock starts
Dec 13, 2010
Dec 13, 2010
No longer in force
Dec 1, 2023
Dec 1, 2023
Granted
Dec 1, 2015
Dec 1, 2015
Term would have run to
Apr 23, 2031
Apr 23, 2031
base term
patent term adjustment
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
131
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,478,320, to Apr 23, 2031. The term already ends on or before that date, so the cap shortened nothing.
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 Apr 23, 2031: its 20-year base term plus 131 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 13, 2010, when application 12/966,868, the earliest non-provisional in its chain, was filed (this one was filed Jun 3, 2013) | Dec 13, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +131 days, USPTO patent term adjustment record | Apr 23, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,478,320) | resolves to Apr 23, 2031, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Dec 1, 2023 | High confidence |
| Computed term end | The steps above, in order | Dec 1, 2023 | High confidence |
This family
| US 8,478,320 | In force Sep 2031 | Sep 2031 |
| US 9,204,446 | this patent Dec 2023 | Dec 2023 |
| US 10,149,299 | Lapsed on the fee record Dec 2022 | Dec 2022 |
| US 10,820,324 | In force no later than Dec 2030 | no later than Dec 2030 |
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 |
|---|---|---|---|
| Oct 28, 2013 Reel 31493, frame 406 | Gupta, Vivek | Intel Corporation | Assignment of Assignor's Interest |
| Apr 17, 2015 Reel 35439, frame 650 | Tofighbakhsh, Mostafa | AT&T Intellectual Property I, L.P. | Assignment of Assignor's Interest |
| Jul 10, 2015 Reel 36062, frame 106 | Ramadas, Krishna | Venturi Wireless, Inc. | Assignment of Assignor's Interest |
| Jun 25, 2020 Reel 53066, frame 1 | Intel Corporation | Apple 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 131 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,478,320, ends no earlier than this term, so it caps nothing.
Citations
5
later US patents cite 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.