Term ends Jul 22, 2028 · High confidence
20-year base term ended Jul 28, 2026
Filed Jul 25, 2011 as application 13/189,625 · Granted Dec 23, 2014
Base term plus 725 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Jul 28, 2006
Jul 28, 2006
Term ends
Jul 22, 2028
Jul 22, 2028
Granted
Dec 23, 2014
Dec 23, 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
725
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 8,234,388, to Jul 22, 2028. 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.
7
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 725 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 Jul 28, 2006, when application 11/460,750, the earliest non-provisional in its chain, was filed (this one was filed Jul 25, 2011) | Jul 28, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +725 days, USPTO patent term adjustment record | Jul 22, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,234,388) | resolves to Jul 22, 2028, 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 | Jul 22, 2028 | High confidence |
This family
| US 8,798,253 | In force Dec 2030 | Dec 2030 |
| US 7,792,275 | In force May 2028 | May 2028 |
| US 8,234,388 | In force Aug 2029 | Aug 2029 |
| Application PCT/US2007/085688 | PCT application no patent term | no patent term |
| Application PCT/US2007/086715 | PCT application no patent term | no patent term |
| US 8,644,460 | In force Sep 2027 | Sep 2027 |
| US 8,918,526 | this patent Jul 2028 | Jul 2028 |
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 |
|---|---|---|---|
| Nov 14, 2014 Reel 34172, frame 937 | Tai, Yung-hwa; Welch, Gregory; Verlare, James L. | Verizon Business Financial Management Corp. | Assignment of Assignor's Interest |
| Nov 14, 2014 Reel 34174, frame 151 | Verizon Business Financial Management Corp. | Verizon Patent and Licensing 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jul 2028
Term ends Jul 22, 2028. No further fees fall due before then
Note
The 725 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 8,234,388, ends no earlier than this term, so it caps nothing.
Citations
6
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.