Also listed on Hanergy Global Investment and Sales Pte. Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Apr 29, 2019 (Utica Leaseco, LLC).
Term ends Jan 2, 2030 · High confidence
20-year base term ends May 29, 2029
Held by Alta Devices, Inc.
Filed May 29, 2009 as application 12/475,415 · Granted Aug 23, 2011
Base term plus 218 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
May 29, 2009
May 29, 2009
Term ends
Jan 2, 2030
Jan 2, 2030
Granted
Aug 23, 2011
Aug 23, 2011
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
218
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.
This patent's term runs 218 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 May 29, 2009, when this application, 12/475,415, was filed | May 29, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +218 days, USPTO patent term adjustment record | Jan 2, 2030 | 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 | Jan 2, 2030 | High confidence |
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 14, 2009 Reel 23227, frame 163 | Gmitter, Thomas; He, Gang; Hegedus, Andreas | Alta Devices, Inc. | Assignment of Assignor's Interest |
| Apr 10, 2013 Reel 30192, frame 391 | Alta Devices, Inc. | Silicon Valley Bank, As Agent | Security Agreement |
| Jan 16, 2015 Reel 34775, frame 973 | Silicon Valley Bank, As Collateral Agent | Awbscqemgk, Inc. (F/K/A Alta Devices, Inc.) | Release of Security Interest |
| Mar 4, 2016 Reel 38004, frame 78 | Alta Devices, Inc. | Hanergy Global Investment and Sales Pte. Ltd. | Assignment of Assignor's Interest |
| Mar 4, 2016 Reel 38005, frame 990 | Alta Devices, Inc. | Awbscqemgk, Inc. | Change of Name |
| Mar 4, 2016 Reel 38006, frame 457 | Hanergy Acquisition Sub Inc. | Alta Devices, Inc. | Change of Name |
| Mar 11, 2016 Reel 38066, frame 958 | Hanergy Global Investment and Sales Pte. Ltd. | Alta Devices, Inc. | Assignment of Assignor's Interest |
| Apr 29, 2019 Reel 49027, frame 944 | Alta Devices, Inc. | Utica Leaseco, LLC | Security Interest |
| Feb 25, 2021 Reel 55766, frame 279 | Utica Leaseco, LLC Secured Party | Utica Leaseco, LLC Assignee | Confirmation of Foreclosure Transfer of Patent Rights |
| Aug 9, 2021 Reel 57117, frame 811 | Utica Leaseco, LLC Secured Party | Utica Leaseco, LLC Assignee | Corrective Assignment to Correct the the Assignee Address Previously Recorded at Reel: 055766 Frame: 0279. Assignor(S) Hereby Confirms the Assignment. |
| Aug 28, 2023 Reel 64731, frame 814 | Utica Leaseco, LLC | Tiger Finance, LLC | 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
Jan 2030
Term ends Jan 2, 2030. No further fees fall due before then
Note
The 218 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
29
later US patents cite this one
That is top 25% of utility patents granted in 2011 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.