Also listed on The Governing Council of the University of Toronto, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 18, 2028 · Medium confidence
20-year base term ends Apr 18, 2028
Why Medium: A parent in the chain could not be resolved.
Held by Invisage Technologies, Inc.
Filed Sep 16, 2011 as application 13/235,134 · Granted Jul 2, 2013
Base term, 20 years from filing
Today
2008
2028
Clock starts
Apr 18, 2008
Apr 18, 2008
Term ends
Apr 18, 2028
Apr 18, 2028
Granted
Jul 2, 2013
Jul 2, 2013
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
40
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 are recorded paid; no more fees are due. Confidence: Medium. 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 Apr 18, 2008, when application 12/106,256, the earliest non-provisional in its chain, was filed (this one was filed Sep 16, 2011); a parent in its chain could not be resolved (the next row) | Apr 18, 2028 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 | In force | High confidence |
| Computed term end | The steps above, in order | Apr 18, 2028 | Medium confidence |
This family
| US 7,923,801 | In force Oct 2028 | Oct 2028 |
| Application PCT/US2009/041153 | PCT application no patent term | no patent term |
| Application 12/426,854 | Abandoned not computed | not computed |
| US 8,203,195 | Lapsed on the fee record Jun 2024 | Jun 2024 |
| US 8,138,567 | In force May 2028 | May 2028 |
| Application PCT/US2009/051186 | PCT application no patent term | no patent term |
| US 8,004,057 | In force Apr 2028 | Apr 2028 |
| US 8,013,412 | In force Apr 2028 | Apr 2028 |
8 of 40 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jan 4, 2012 Reel 27479, frame 419 | Invisage Technologies, Inc. | Triplepoint Capital LLC | Security Agreement |
| Sep 3, 2013 Reel 31160, frame 411 | Invisage Technologies, Inc. | Square 1 Bank | Security Agreement |
| Sep 5, 2013 Reel 31163, frame 810 | Triplepoint Capital LLC | Invisage Technologies, Inc. | Release of Security Interest |
| Oct 2, 2014 Reel 33886, frame 632 | Triplepoint Capital LLC | Invisage Technologies, Inc. | Release of Security Interest |
| Jul 21, 2015 Reel 36148, frame 467 | Invisage Technologies, Inc. | Horizon Technology Finance Corporation | Security Interest |
| Mar 16, 2017 Reel 42024, frame 887 | Horizon Technology Finance Corporation | Invisage Technologies, Inc. | Release of Security Interest |
| Mar 20, 2017 Reel 41652, frame 945 | Pacific Western Bank, as Successor in Interest to Square 1 Bank | Invisage Technologies, Inc. | Release of Security Interest |
| Jun 14, 2017 Reel 42711, frame 75 | Sargent, Edward Hartley; Koleilat, Ghada; Levina, Larissa; Tang, Jiang | Invisage Technologies, Inc. | Assignment of Assignor's Interest |
| Jun 14, 2017 Reel 42711, frame 194 | Invisage Technologies (Canada), Inc. | Invisage Technologies, Inc. | Assignment of Assignor's Interest |
| Jun 14, 2017 Reel 42711, frame 442 | Governing Council of the University of Toronto | Invisage Technologies, (Canada) Inc. | Assignment of Assignor's Interest |
| Jun 16, 2017 Reel 42730, frame 748 | Sargent, Edward Hartley; Koleilat, Ghada; Levina, Larissa | The Governing Council of the University of Toronto | 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
Apr 2028
Term ends Apr 18, 2028. No further fees fall due before then
Citations
55
later US patents cite this one
That is top 10% of utility patents granted in 2013 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.