Collateral for a security interest recorded Sep 3, 2013 (Square 1 Bank).
Term ends May 27, 2028 · High confidence
20-year base term ends Apr 18, 2028
Held by Invisage Technologies, Inc.
Filed Jul 20, 2009 as application 12/506,236 · Granted Mar 20, 2012
Base term plus 39 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
Apr 18, 2008
Apr 18, 2008
Term ends
May 27, 2028
May 27, 2028
Granted
Mar 20, 2012
Mar 20, 2012
base term
patent term adjustment
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
39
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.
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 runs 39 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 Apr 18, 2008, when application 12/106,256, the earliest non-provisional in its chain, was filed (this one was filed Jul 20, 2009) | Apr 18, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +39 days, USPTO patent term adjustment record | May 27, 2028 | 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 | May 27, 2028 | High 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 | this patent 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 |
|---|---|---|---|
| Oct 12, 2009 Reel 23359, frame 466 | Ivanov, Igor Constantin; Sargent, Edward Hartley; Tian, Hui | Invisage Technologies, Inc. | Assignment of Assignor's Interest |
| May 31, 2011 Reel 26373, frame 897 | Ivanov, Igor Constantin; Sargent, Edward Hartley; Tian, Hui | Invisage Technologies, Inc. | Assignment of Assignor's Interest |
| 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 |
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
May 2028
Term ends May 27, 2028. No further fees fall due before then
Note
The 39 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
72
later US patents cite this one
That is top 10% 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.