Collateral for a security interest recorded Jun 11, 2026 (JPMorgan Chase Bank, N.A.).
Term ends Oct 3, 2027 · High confidence
20-year base term ends Dec 11, 2026
Held by Avantech, LLC
Filed Dec 11, 2006 as application 11/636,847 · Granted Jan 12, 2010
Base term plus 296 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Dec 11, 2006
Dec 11, 2006
Term ends
Oct 3, 2027
Oct 3, 2027
Granted
Jan 12, 2010
Jan 12, 2010
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
296
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.
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 runs 296 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 11, 2006, when this application, 11/636,847, was filed | Dec 11, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +296 days, USPTO patent term adjustment record | Oct 3, 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 | Oct 3, 2027 | High confidence |
This family
| US 7,645,387 | this patent Oct 2027 | Oct 2027 |
| US 7,708,890 | 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 |
|---|---|---|---|
| Sep 12, 2008 Reel 21537, frame 748 | Brunsell, Dennis A. | Diversified Technologies Services, Inc. | Assignment of Assignor's Interest |
| Sep 12, 2008 Reel 21542, frame 100 | Beets, Larry E. | Diversified Technologies Services, Inc. | Assignment of Assignor's Interest |
| Sep 12, 2008 Reel 21543, frame 331 | Jensen, Charles E. | Diversified Technologies Services, Inc. | Assignment of Assignor's Interest |
| Nov 14, 2014 Reel 34177, frame 631 | Avantech, Inc. | Branch Banking and Trust Company | Security Interest |
| Dec 17, 2014 Reel 34526, frame 707 | Diversified Technologies Services, Inc. | Avantech, Inc. | Assignment of Assignor's Interest |
| Jan 12, 2015 Reel 34685, frame 860 | Avantech, Inc. | Diversified Technologies Services, Inc. | Security Interest |
| Mar 29, 2018 Reel 45762, frame 375 | Avantech, Inc. | Synovus Bank | Security Agreement |
| Oct 9, 2020 Reel 54037, frame 125 | Avantech, Inc. | Avantech, LLC | Conversion |
| Oct 13, 2020 Reel 54036, frame 772 | Avantech, LLC | U.S. Bank National Association, as Collateral Agent | Security Interest |
| Sep 1, 2023 Reel 64802, frame 803 | Avantech, LLC | Ttga SBIC Pioneer Fund I, LP | Patent Security Agreement |
| Jun 5, 2026 Reel 74873, frame 16 | U.S. Bank National Association | Avantech, LLC | Release of Security Interest |
| Jun 8, 2026 Reel 75823, frame 325 | Ttga SBIC Pioneer Fund I, LP | Avantech, LLC | Release of Patent Security Agreement Recorded at Reel 064802, Frame 0803 |
| Jun 11, 2026 Reel 74931, frame 191 | Avantech, LLC | Jpmorgan Chase Bank, N.a. | Security Interest |
| Jun 24, 2026 Reel 75895, frame 234 | Diversified Technologies Services, Inc. | Avantech, Inc. | Release of Security Agreement Recorded at Reel-Frame 034685/0860 |
| Jun 25, 2026 Reel 75815, frame 783 | Branch Banking and Trust Company | Avantech, Inc. | Release of Intellectual Property Security Agreement Recorded at Reel-Frame 034177/0631 |
| Jul 30, 2026 Reel 76344, frame 781 | Pinnacle Bank, D/B/A Synovus Bank | Avantech, Inc. | Release of Security Interest in Patents Recorded at Reel/Frame: 045762/0375 |
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
Oct 2027
Term ends Oct 3, 2027. No further fees fall due before then
Note
The 296 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2010 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.