Term ends Jul 31, 2033 · High confidence
20-year base term ends Jul 31, 2033
Filed Jul 31, 2013 as application 13/955,824 · Granted Nov 4, 2014
Base term, 20 years from filing
Today
2013
2033
Clock starts
Jul 31, 2013
Jul 31, 2013
Term ends
Jul 31, 2033
Jul 31, 2033
Granted
Nov 4, 2014
Nov 4, 2014
base term
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.
3 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.
45
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 31, 2013, when this application, 13/955,824, was filed | Jul 31, 2033 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 31, 2033 | High confidence |
This family
| US 9,910,558 | In force May 2034 | May 2034 |
| US 9,344,882 | In force Dec 2033 | Dec 2033 |
| US 8,880,121 | this patent Jul 2033 | Jul 2033 |
| US 10,057,424 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 9,389,593 | In force Jul 2033 | Jul 2033 |
| US 9,591,256 | In force Nov 2033 | Nov 2033 |
| Application 14/586,023 | Abandoned not computed | not computed |
| US 9,521,251 | In force Nov 2034 | Nov 2034 |
8 of 45 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Aug 9, 2013 Reel 30980, frame 47 | Gu, Linghua; Liu, Anyu; Qi, Dongjie; Liu, Xinyu | Beijing Xiaomi Technology Co., Ltd. | Assignment of Assignor's Interest |
| Jan 9, 2015 Reel 34745, frame 985 | Gu, Linghua; Liu, Anyu; Qi, Dongjie; Liu, Xinyu | Beijing Xiaomi Technology Co., Ltd. | Corrective Assignment to Correct the Application Number Previously Recorded on Reel 030980 Frame 0047. Assignor(S) Hereby Confirms the Application Should Be Changed from 13/995,824 to 13/955,824. |
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.
What's changing
Jul 2033
Term ends Jul 31, 2033. No further fees fall due before then
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2014 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.