Term ended Jun 28, 2020 · Medium confidence
20-year base term ended Dec 18, 2018
Why Medium: A parent in the chain could not be resolved.
Held by Thomson Licensing
Filed Apr 15, 2002 as application 10/121,608 · Granted Nov 27, 2007
Base term plus 558 days of patent term adjustment (USPTO delay)
Today
Term ended Jun 28, 2020
1998
2026
Clock starts
Dec 18, 1998
Dec 18, 1998
Term ended
Jun 28, 2020
Jun 28, 2020
Granted
Nov 27, 2007
Nov 27, 2007
base term
patent term adjustment
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
558
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.
23
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 558 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 18, 1998, when application 09/215,161, the earliest non-provisional in its chain, was filed (this one was filed Apr 15, 2002); a parent in its chain could not be resolved (the next row) | Dec 18, 2018 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +558 days, USPTO patent term adjustment record | Jun 28, 2020 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Jun 28, 2020 | Medium confidence |
This family
| US 6,909,874 | Lapsed on the fee record Jun 2017 | Jun 2017 |
| US 7,302,644 | this patent Jun 2020 | Jun 2020 |
| US 8,006,184 | Term ended Mar 2024 | Mar 2024 |
| US 11,109,114 | In force Jan 2031 | Jan 2031 |
| US 7,835,920 | Lapsed on the fee record Nov 2022 | Nov 2022 |
| US 9,123,380 | Term ended Sep 2026 | Sep 2026 |
| Application 10/434,460 | Abandoned not computed | not computed |
| US 8,726,187 | Lapsed on the fee record May 2018 | May 2018 |
8 of 23 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 |
|---|---|---|---|
| Jun 2, 2005 Reel 16297, frame 307 | Parkervision, Inc. | Thomson Licensing S.A. | Assignment of Assignor's Interest |
| Oct 9, 2007 Reel 19957, frame 451 | Thomson Licensing S.A. | Thomson Licensing | 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
The 558 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
28
later US patents cite this one
That is above the median of utility patents granted in 2007 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.