Lapsed Dec 4, 2022 on the fee record · Medium confidence
20-year base term ends Dec 13, 2030
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
First maintenance fee unpaid; grace period ended.
Held by Apple Inc.
Filed Oct 29, 2015 as application 14/927,460 · Granted Dec 4, 2018
Base term, 20 years from filing, plus 155 days of patent term adjustment (USPTO delay)
Today
Lapsed Dec 4, 2022
2010
2031
Clock starts
Dec 13, 2010
Dec 13, 2010
No longer in force
Dec 4, 2022
Dec 4, 2022
Granted
Dec 4, 2018
Dec 4, 2018
Term would have run to
May 17, 2031
May 17, 2031
base term
patent term adjustment
after the term ends
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
155
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
0 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 17, 2031: its 20-year base term plus 155 days of term 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 Dec 13, 2010, when application 12/966,868, the earliest non-provisional in its chain, was filed (this one was filed Oct 29, 2015) | Dec 13, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +155 days, USPTO patent term adjustment record | May 17, 2031 | 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 | 0 of 3 maintenance fees paid | lapsed Dec 4, 2022 | High confidence |
| Computed term end | The steps above, in order | Dec 4, 2022 | Medium confidence |
This family
| US 8,478,320 | In force Sep 2031 | Sep 2031 |
| US 9,204,446 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 10,149,299 | this patent 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 29, 2015 Reel 36918, frame 910 | Ramadas, Krishna | Venturi Wireless, Inc. | Assignment of Assignor's Interest |
| Oct 29, 2015 Reel 36918, frame 918 | Tofighbakhsh, Mostafa | AT&T Intellectual Property I, L.P. | Assignment of Assignor's Interest |
| Aug 13, 2018 Reel 46627, frame 703 | Gupta, Vivek | Intel Corporation | 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
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Note
The 155 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Dec 4, 2022. We will not guess the cap.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2018 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.