Collateral for a security interest recorded Dec 20, 2024 (PNC Bank Canada Branch).
Term ends Apr 2, 2027 · High confidence
20-year base term ended Jul 6, 2026
Held by Liveaction, Inc.
Filed Jul 6, 2006 as application 11/483,054 · Granted Mar 3, 2009
Base term plus 270 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Jul 6, 2006
Jul 6, 2006
Term ends
Apr 2, 2027
Apr 2, 2027
Granted
Mar 3, 2009
Mar 3, 2009
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
270
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.
6
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 270 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 Jul 6, 2006, when this application, 11/483,054, was filed | Jul 6, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +270 days, USPTO patent term adjustment record | Apr 2, 2027 | 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 | Apr 2, 2027 | High confidence |
This family
| US 7,500,158 | this patent Apr 2027 | Apr 2027 |
| US 7,975,190 | Term ended Nov 2026 | Nov 2026 |
| US 9,003,292 | In force Mar 2029 | Mar 2029 |
| US 9,350,622 | Term ended Jul 2026 | Jul 2026 |
| US 9,246,772 | Term ended Jul 2026 | Jul 2026 |
| US 9,240,930 | Term ended Aug 2026 | Aug 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 |
|---|---|---|---|
| Jul 6, 2006 Reel 18093, frame 565 | Smith, John Kei; Yuen, Leslie Lauren W.y.; Gouveia, Christopher M. | Referentia Systems, Inc. | Assignment of Assignor's Interest |
| Jul 21, 2010 Reel 24719, frame 456 | Referentia Systems Incorporated | Navy, Secretary of the United States of America Office of Naval Research | Confirmatory License |
| Feb 22, 2016 Reel 37786, frame 475 | Referentia Systems Incorporated | Liveaction, Inc. | Assignment of Assignor's Interest |
| Sep 18, 2023 Reel 64933, frame 968 | Liveaction, Inc. | First-Citizens Bank & Trust Company | Security Interest |
| Oct 28, 2024 Reel 69036, frame 863 | First-Citizens Bank & Trust Company | Liveaction, Inc. | Release of Security Interest |
| Dec 20, 2024 Reel 69655, frame 362 | Liveaction, Inc. | PNC Bank Canada Branch | Security 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.
What's changing
Apr 2027
Term ends Apr 2, 2027. No further fees fall due before then
Note
The 270 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
18
later US patents cite this one
That is above the median 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.