Also listed on Thomson Licensing, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 21, 2026 · High confidence
20-year base term ended Jul 22, 2025
Filed Jan 19, 2007 as application 11/658,068 · Granted Nov 23, 2010
Base term plus 487 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Jul 22, 2005
Jul 22, 2005
Term ends
Nov 21, 2026
Nov 21, 2026
Granted
Nov 23, 2010
Nov 23, 2010
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
487
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 487 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 Jul 22, 2005, when application PCT/IB2005/002138, the earliest non-provisional in its chain, was filed (this one was filed Jan 19, 2007) | Jul 22, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +487 days, USPTO patent term adjustment record | Nov 21, 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 | Nov 21, 2026 | High confidence |
This family
| US 7,840,142 | this patent Nov 2026 | Nov 2026 |
1 of 2 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 |
|---|---|---|---|
| Jan 19, 2007 Reel 18829, frame 505 | Keller, Anton Werner | Thomson Licensing | Assignment of Assignor's Interest |
| Jan 13, 2017 Reel 41370, frame 433 | Thomson Licensing | Thomson Licensing DTV | Assignment of Assignor's Interest |
| Jan 17, 2017 Reel 41378, frame 630 | Thomson Licensing | Thomson Licensing DTV | Assignment of Assignor's Interest |
| Aug 10, 2018 Reel 46763, frame 1 | Thomson Licensing DTV | InterDigital Madison Patent Holdings | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2026
Term ends Nov 21, 2026. No further fees fall due before then
Note
The 487 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
23
later US patents cite this one
That is above the median of utility patents granted in 2010 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.