Collateral for a security interest recorded Sep 13, 2022 (Bank of America, N.A.).
Term ends Jan 16, 2031 · High confidence
20-year base term ends Dec 29, 2026
Held by Nortonlifelock Inc.
Filed Dec 29, 2006 as application 11/618,215 · Granted Nov 13, 2012
Base term plus 1479 days of patent term adjustment (USPTO delay)
Today
2006
2031
Clock starts
Dec 29, 2006
Dec 29, 2006
Term ends
Jan 16, 2031
Jan 16, 2031
Granted
Nov 13, 2012
Nov 13, 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
1,479
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.
4
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 1479 days past its 20-year base term on prosecution delay. 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 Dec 29, 2006, when this application, 11/618,215, was filed | Dec 29, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1479 days, USPTO patent term adjustment record | Jan 16, 2031 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Jan 16, 2031 | High confidence |
This family
| US 8,312,536 | this patent Jan 2031 | Jan 2031 |
| US 8,250,657 | In force Sep 2029 | Sep 2029 |
| US 8,650,647 | In force Dec 2026 | Dec 2026 |
| US 9,262,638 | In force Dec 2026 | Dec 2026 |
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 |
|---|---|---|---|
| Dec 29, 2006 Reel 18695, frame 132 | Nachenberg, Carey S.; Griffin, Kent E. | 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 |
| Jun 18, 2020 Reel 53306, frame 878 | Symantec Corporation | Nortonlifelock Inc. | Change of Name |
| Sep 13, 2022 Reel 61422, frame 371 | Jpmorgan Chase Bank, N.a. | Bank of America, N.A., as Collateral Agent | Notice of Succession of Agency (REEL 050926 / Frame 0560) |
| Sep 13, 2022 Reel 62220, frame 1 | Nortonlifelock Inc. | Bank of America, N.A., as Collateral Agent | Security Agreement |
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
Jan 2031
Term ends Jan 16, 2031. No further fees fall due before then
Note
The 1479 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
159
later US patents cite this one
That is top 5% 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.