Term ends Dec 3, 2026 · High confidence
20-year base term ended Jan 19, 2026
Held by DRNC Holdings, Inc.
Filed Dec 2, 2011 as application 13/309,903 · Granted Nov 25, 2014
Base term plus 318 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Jan 19, 2006
Jan 19, 2006
Term ends
Dec 3, 2026
Dec 3, 2026
Granted
Nov 25, 2014
Nov 25, 2014
base term
patent term adjustment
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
318
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
2
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 runs 318 days past its 20-year base term on 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 Jan 19, 2006, when application 11/336,605, the earliest non-provisional in its chain, was filed (this one was filed Dec 2, 2011) | Jan 19, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +318 days, USPTO patent term adjustment record | Dec 3, 2026 | 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 | Dec 3, 2026 | High confidence |
This family
| US 8,094,845 | Lapsed on the fee record Jan 2020 | Jan 2020 |
| US 8,897,471 | this patent Dec 2026 | Dec 2026 |
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 |
|---|---|---|---|
| Feb 5, 2013 Reel 29758, frame 754 | Douhet, Gerard; Dufosse, Stephane; Guillotin, Alain | TCL & Alcatel Mobile Phones Limited | Assignment of Assignor's Interest |
| Feb 12, 2013 Reel 29798, frame 619 | TCL Communication Technology Holdings Limited; TCT Mobile Limited (F/K/A T&A Mobile Phones Limited) | Ipg Electronics 504 Limited | Assignment of Assignor's Interest |
| Feb 12, 2013 Reel 29798, frame 804 | Ipg Electronics 504 Limited | Flextronics Innovative Development, Ltd. | Assignment of Assignor's Interest |
| Feb 12, 2013 Reel 29801, frame 484 | Flextronics Innovative Development, Ltd. | Imerj, Ltd. | Change of Name |
| Feb 12, 2013 Reel 29801, frame 575 | Imerj, Ltd. | Z124 | Change of Name |
| Sep 24, 2013 Reel 31266, frame 803 | Flextronics International Ltd. | DRNC Holdings, Inc. | Assignment of Assignor's Interest |
| Oct 16, 2013 Reel 31448, frame 414 | Z124 | DRNC Holdings, Inc. | Correct an Error in the Name of the Conveying Party in the Cover Sheet Previously Recorded at Reel 031266 and Frame 0803 |
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.
What's changing
Dec 2026
Term ends Dec 3, 2026. No further fees fall due before then
Note
The 318 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
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.