Term ends Dec 18, 2029 · High confidence
20-year base term ends Mar 30, 2029
Held by Havis, Inc.
Filed Mar 30, 2009 as application 12/414,658 · Granted Apr 10, 2012
Base term plus 263 days of patent term adjustment (USPTO delay)
Today
2009
2029
Clock starts
Mar 30, 2009
Mar 30, 2009
Term ends
Dec 18, 2029
Dec 18, 2029
Granted
Apr 10, 2012
Apr 10, 2012
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
263
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.
3
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 263 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 Mar 30, 2009, when this application, 12/414,658, was filed | Mar 30, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +263 days, USPTO patent term adjustment record | Dec 18, 2029 | 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 | Dec 18, 2029 | High confidence |
This family
| Application 61/040,885 | Provisional application no patent term | no patent term |
| US 8,154,252 | this patent Dec 2029 | Dec 2029 |
| Application PCT/US2009/038954 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Jun 15, 2009 Reel 22823, frame 119 | Lu, Wenzhe; Clegg, Simon; Leonard, Ian | Vanner, Inc. | Assignment of Assignor's Interest |
| Feb 27, 2014 Reel 32366, frame 220 | Vanner, Inc.; Vanner Holdings, Inc. | Jpmorgan Chase Bank, N.a. | Security Agreement |
| Apr 10, 2014 Reel 32643, frame 196 | Vanner, Inc.; Vanner Partners Holdings, LLC; Vanner Holdings, Inc. | The Huntington Capital Investment Company II | Security Interest |
| Oct 2, 2015 reel/frame not recorded | Huntington Capital Investment Company II | Vanner, Inc. | Release of Security Interest |
| Oct 2, 2015 reel/frame not recorded | Huntington Capital Investment Company II | Vanner Partners Holding, LLC | Release of Security Interest |
| Oct 2, 2015 reel/frame not recorded | Huntington Capital Investment Company II | Vanner Holdings, Inc. | Release of Security Interest |
| Oct 2, 2015 reel/frame not recorded | Huntington Capital Investment Company II | Vhi Holding, Inc. | Release of Security Interest |
| Oct 2, 2015 Reel 36720, frame 177 | Huntington Capital Investment Company II | Vanner, Inc.; Vanner Partners Holding, LLC; Vanner Holdings, Inc.; Vhi Holding, Inc. | Release of Security Interest |
| Oct 7, 2015 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Vanner, Inc. | Release of Security Interest |
| Oct 7, 2015 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Vanner Holdings, Inc. | Release of Security Interest |
| Oct 7, 2015 Reel 36748, frame 982 | Jpmorgan Chase Bank, N.a. | Vanner, Inc.; Vanner Holdings, Inc. | Release of Security Interest |
| Feb 4, 2024 Reel 66339, frame 698 | Vanner, Inc. | Cibc Bank USA | Security Interest |
| Jul 31, 2024 Reel 68132, frame 552 | Havis, Inc.; Vanner, Inc.; Engineered Network Systems, LLC | The Huntington National Bank, as Administrative Agent | Security Interest |
| Aug 1, 2024 Reel 68149, frame 745 | Cibc Bank USA, as Administrative Agent | Vanner, Inc. | Release of Security Interest |
| Dec 2, 2024 Reel 69444, frame 476 | Vanner Inc., | Havis, Inc. | Assignment of Assignor's Interest |
| Jul 8, 2026 reel/frame not recorded | The Huntington National Bank | Havis, Inc. | Release of Security Interest |
| Jul 8, 2026 reel/frame not recorded | The Huntington National Bank | Vanner, Inc. | Release of Security Interest |
| Jul 8, 2026 reel/frame not recorded | The Huntington National Bank | Engineered Network Systems, LLC | Release of Security Interest |
| Jul 8, 2026 Reel 75206, frame 325 | The Huntington National Bank | Havis, Inc.; Vanner, Inc.; Engineered Network Systems, LLC | 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
Dec 2029
Term ends Dec 18, 2029. No further fees fall due before then
Note
The 263 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
5
later US patents cite this one
That is below the median 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.