Term ended Jan 31, 2026 · High confidence
20-year base term ended Dec 30, 2024
Filed Dec 30, 2004 as application 11/026,566 · Granted Dec 2, 2008
Base term plus 397 days of patent term adjustment (USPTO delay)
Today
Term ended Jan 31, 2026
2004
2026
Clock starts
Dec 30, 2004
Dec 30, 2004
Term ended
Jan 31, 2026
Jan 31, 2026
Granted
Dec 2, 2008
Dec 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
397
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.
8
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 397 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 Dec 30, 2004, when this application, 11/026,566, was filed | Dec 30, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +397 days, USPTO patent term adjustment record | Jan 31, 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Jan 31, 2026 | High confidence |
This family
| US 10,521,857 | In force Mar 2035 | Mar 2035 |
| Application 11/027,692 | Abandoned not computed | not computed |
| US 7,562,814 | Term ended Jan 2026 | Jan 2026 |
| US 7,458,508 | this patent Jan 2026 | Jan 2026 |
| US 7,686,214 | Term ended Apr 2025 | Apr 2025 |
| Application 11/149,516 | Abandoned not computed | not computed |
| US 8,386,377 | Term ended Oct 2025 | Oct 2025 |
| US 7,793,835 | Term ended May 2024 | May 2024 |
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 |
|---|---|---|---|
| Apr 11, 2005 Reel 16450, frame 323 | Shao, Xuhui; Xie, Jianjun; Hong, Tao; Jost, Allen | Id Analytics, Inc. | Assignment of Assignor's Interest |
| Dec 6, 2005 Reel 16857, frame 483 | Id Analytics, Inc. | Silicon Valley Bank | Security Agreement |
| May 11, 2011 Reel 26264, frame 305 | Silicon Valley Bank | Id Analytics, Inc. | Release of Security Interest |
| Mar 12, 2012 Reel 27854, frame 178 | Silicon Valley Bank | Id Analytics, Inc. | Release |
| Mar 14, 2012 Reel 27861, frame 847 | Id Analytics, Inc. | Bank of America, N.A., as Administrative Agent | Notice of Grant of Security Interest in Patents |
| Jan 10, 2013 Reel 29603, frame 424 | Id Analytics, Inc. | Bank of America, N.A., as Administrative Agent | Notice of Grant of Security Interest in Patents |
| Feb 9, 2017 Reel 41670, frame 921 | Bank of America, N.A., as Administrative Agent | Id Analytics, Inc. | Termination and Release of Security Interest in Patents (Previously Recorded March 14, 2012, Reel/Frame 027861/0847) |
| Feb 9, 2017 Reel 41670, frame 945 | Bank of America, N.A., as Administrative Agent | Id Analytics, Inc. | Termination and Release of Security Interest in Patents (Previously Recorded January 10, 2013, Reel/Frame 029603/0424) |
| Aug 15, 2019 Reel 50111, frame 718 | Id Analytics, Inc. | Id Analytics, LLC | Change of Name |
| Aug 22, 2019 Reel 50135, frame 790 | Id Analytics, LLC | Symantec Corporation | Assignment of Assignor's Interest |
| Nov 4, 2019 Reel 50926, frame 560 | Symantec Corporation; Blue Coat LLC; Lifelock, Inc.,; Symantec Operating Corporation | Jpmorgan, N.a. | Security Agreement |
| Jan 9, 2020 Reel 51471, frame 877 | Nortonlifelock Inc. | Altiris, Inc. | Assignment of Assignor's Interest |
| Jan 9, 2020 Reel 51554, frame 598 | Symantec Corporation | Nortonlifelock Inc. | Change of Name |
| Feb 25, 2020 Reel 52006, frame 115 | Jpmorgan Chase Bank, N.a. | Nortonlifelock, Inc. (F/K/A Symantec Corporation) | Partial Release of Security Interest |
| Mar 8, 2022 Reel 59193, frame 413 | Altiris, Inc. | Lexisnexis Risk Solutions FL Inc. | Merger |
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 397 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
285
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.