Term ended Jan 3, 2023 · High confidence
20-year base term ended Jan 3, 2023
Held by Taasera Licensing LLC
Filed Jul 3, 2007 as application 11/824,986 · Granted Jul 21, 2009
Base term, 20 years from filing
Today
Term ended Jan 3, 2023
2003
2026
Clock starts
Jan 3, 2003
Jan 3, 2003
Term ended
Jan 3, 2023
Jan 3, 2023
Granted
Jul 21, 2009
Jul 21, 2009
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
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 is its 20-year base term, with no adjustment for 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 Jan 3, 2003, when application 10/336,299, the earliest non-provisional in its chain, was filed (this one was filed Jul 3, 2007) | Jan 3, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 3, 2023 | High confidence |
This family
| US 7,673,137 | In force Jun 2028 | Jun 2028 |
| US 7,565,549 | this patent Jan 2023 | Jan 2023 |
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 |
|---|---|---|---|
| Oct 4, 2007 Reel 19920, frame 128 | Internet Security Systems, Inc. | International Business Machines Corporation | Assignment of Assignor's Interest |
| Nov 14, 2019 Reel 51032, frame 784 | International Business Machines Corporation | Daedalus Group LLC | Assignment of Assignor's Interest |
| Jan 27, 2020 Reel 51710, frame 445 | International Business Machines Corporation | Daedalus Group, LLC | Assignment of Assignor's Interest |
| Jan 29, 2020 Reel 51737, frame 191 | Daedalus Group, LLC | Daedalus Blue LLC | Assignment of Assignor's Interest |
| Dec 1, 2021 Reel 58262, frame 231 | Daedalus Blue LLC | Taasera Licensing LLC | 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.
Citations
57
later US patents cite this one
That is top 25% of utility patents granted in 2009 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.