Lapsed Feb 14, 2025 on the fee record · Medium confidence
20-year base term ends Apr 20, 2027
Second maintenance fee unpaid; grace period ended.
Held by AT&T Mobility II LLC
Filed Sep 4, 2015 as application 14/846,253 · Granted Feb 14, 2017
Base term, 20 years from filing
Today
Lapsed Feb 14, 2025
2007
2027
Clock starts
Apr 20, 2007
Apr 20, 2007
No longer in force
Feb 14, 2025
Feb 14, 2025
Granted
Feb 14, 2017
Feb 14, 2017
Term would have run to
Apr 20, 2027
Apr 20, 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,340,678, US 9,161,334, to Apr 20, 2027. The term already ends on or before that date, so the cap shortened nothing.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
3
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 20, 2027: its 20-year base term, with no 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: 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 Apr 20, 2007, when application 11/738,145, the earliest non-provisional in its chain, was filed (this one was filed Sep 4, 2015) | Apr 20, 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 resolved from the filed document (refs US 8,340,678, US 9,161,334) | resolves to Apr 20, 2027, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | lapsed Feb 14, 2025 | High confidence |
| Further caveats on record | The record rates this date lower than the steps above account for | Medium confidence overall | Medium confidence |
| Computed term end | The steps above, in order | Feb 14, 2025 | Medium confidence |
This family
| US 8,340,678 | In force Feb 2031 | Feb 2031 |
| US 9,161,334 | Lapsed on the fee record Oct 2023 | Oct 2023 |
| US 9,572,166 | this patent Feb 2025 | Feb 2025 |
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 4, 2015 Reel 36498, frame 287 | Pandey, Vinod | Cingular Wireless II, LLC | Assignment of Assignor's Interest |
| Dec 13, 2016 Reel 40900, frame 787 | Cingular Wireless II, LLC | AT&T Mobility II, LLC | Change of Name |
| Dec 13, 2016 Reel 40900, frame 829 | AT&T Mobility II, LLC | AT&T Mobility II LLC | Change of Name |
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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,340,678, US 9,161,334, ends no earlier than this term, so it caps nothing.
Citations
7
later US patents cite this one
That is above the median of utility patents granted in 2017 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.