Term ended May 24, 2025 · High confidence
20-year base term ended Feb 27, 2024
Filed Feb 27, 2004 as application 10/789,722 · Granted Sep 2, 2008
Base term plus 452 days of patent term adjustment (USPTO delay)
Today
Term ended May 24, 2025
2004
2026
Clock starts
Feb 27, 2004
Feb 27, 2004
Term ended
May 24, 2025
May 24, 2025
Granted
Sep 2, 2008
Sep 2, 2008
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
452
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.
5
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 452 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Feb 27, 2004, when this application, 10/789,722, was filed | Feb 27, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +452 days, USPTO patent term adjustment record | May 24, 2025 | 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 | May 24, 2025 | High confidence |
This family
| US 7,421,454 | this patent May 2025 | May 2025 |
| Application PCT/US2005/005814 | PCT application no patent term | no patent term |
| US 9,407,963 | In force Nov 2026 | Nov 2026 |
| US 8,176,066 | Term ended Jun 2026 | Jun 2026 |
| US 10,353,866 | Term ended Aug 2025 | Aug 2025 |
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 |
|---|---|---|---|
| Jul 12, 2004 Reel 14840, frame 862 | Deshan, Jay Brent; Gray, Chad Ric; Do, Huong Thi | Yahoo! Inc. | Assignment of Assignor's Interest |
| Jun 23, 2017 Reel 42963, frame 211 | Yahoo! Inc. | Yahoo Holdings, Inc. | Assignment of Assignor's Interest |
| Feb 2, 2018 Reel 45240, frame 310 | Yahoo Holdings, Inc. | Oath Inc. | Assignment of Assignor's Interest |
| Oct 26, 2020 Reel 54258, frame 635 | Oath Inc. | Verizon Media Inc. | Assignment of Assignor's Interest |
| Aug 19, 2021 Reel 57453, frame 431 | Verizon Media Inc. | 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
Note
The 452 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
148
later US patents cite this one
That is top 5% of utility patents granted in 2008 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.