Also listed on Verizon Services Corp., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 4, 2027 · High confidence
20-year base term ends Nov 21, 2026
Filed Jun 8, 2009 as application 12/480,629 · Granted Jun 26, 2012
Base term plus 378 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Nov 21, 2006
Nov 21, 2006
Term ends
Dec 4, 2027
Dec 4, 2027
Granted
Jun 26, 2012
Jun 26, 2012
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
378
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,555,685, to Dec 4, 2027. The term already ends on or before that date, so the cap shortened nothing.
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 378 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Nov 21, 2006, when application 11/602,349, the earliest non-provisional in its chain, was filed (this one was filed Jun 8, 2009) | Nov 21, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +378 days, USPTO patent term adjustment record | Dec 4, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,555,685) | resolves to Dec 4, 2027, no earlier than this term, so no change | 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 4, 2027 | High confidence |
This family
| US 7,555,685 | In force Jan 2028 | Jan 2028 |
| US 8,209,569 | this patent Dec 2027 | Dec 2027 |
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 26, 2014 Reel 33187, frame 666 | Laparidis, Alexander; Lee, Stanley Y | Verizon Services Corp. | Assignment of Assignor's Interest |
| Jul 28, 2014 Reel 33401, frame 549 | Verizon Services Organization Inc. | Verizon Patent and Licensing Inc. | Assignment of Assignor's Interest |
| Jul 28, 2014 Reel 33428, frame 605 | Verizon Services Corp. | Verizon Patent and Licensing Inc. | Assignment of Assignor's Interest |
| Feb 4, 2021 Reel 55151, frame 411 | Sylvester, James E.; Kanaan, Muzaffer | Verizon Services Organization Inc. | 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
Dec 2027
Term ends Dec 4, 2027. No further fees fall due before then
Note
The 378 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,555,685, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2012 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.