Also listed on Amp LLC, which filed it. The recorded assignments below show how it moved.
Term ends Dec 16, 2031
Statutory term ends Oct 28, 2031
Base term plus 49 days of PTA
Today
20y-from-earliest-nonprovisional
Expires Dec 2031
2011
2031
Clock starts
Oct 28, 2011
Oct 28, 2011
Granted
Sep 24, 2013
Sep 24, 2013
Term ends
Dec 16, 2031
Dec 16, 2031
base term
patent term adjustment
fee events
Computed Sep 8, 2026 · countdowns run from that date · how we know
49
Days of PTA
1
Applications in this family
This patent's term runs 49 days past the statutory base term on prosecution delay. All three maintenance fees are paid, so nothing but the term itself will end it. Confidence: High. from the record
How this date was computed
Every step shows its rule, its 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, 20y-from-earliest-nonprovisional | Clock starts Oct 28, 2011 | Oct 28, 2031 | High |
| Continuity chain | Every parent in the chain resolved | no change | High |
| Patent term adjustment | +49 days, USPTO PTA record | Dec 16, 2031 | High |
| Terminal disclaimer cap | None on record | no cap applied | High |
| Patent term extension | None on file | no change | High |
| Fee events | 3 of 3 maintenance fees paid | in-force | High |
| Computed term end | The steps above, in order | Dec 16, 2031 | High |
The computation, verbatim
base=20y-from-earliest-nonprovisional: 2011-10-28+20y | =2031-10-28 | PTA+49d=2031-12-16 | PTE:none | TD:none | paid 4yr@2017-05-25,8yr@2020-09-28,12yr@2024-09-27 | status=in-force@2031-12-16
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 28, 2011 Reel 27138, frame 116 | Burns, Stephen S.; Kowitz, Mickey W.; Wieck, Timothy J.; Wires, Donald L. | Amp Electric Vehicles Inc. | Assignment of Assignor's Interest |
| Jul 10, 2018 reel/frame not recorded | Surefly, Inc.; Workhorse Group Inc.; Workhorse Motor Works Inc. (F/K/A/ Amp Trucks Inc.) | Arosa Opportunistic Fund LP | Intellectual Property Security Agreement |
| Jul 10, 2018 Reel 46522, frame 162 | Workhorse Motor Works Inc. (F/K/A/ Amp Trucks Inc.); Workhorse Group Inc.; Surefly, Inc. | Arosa Opportunistic Fund LP | Intellectual Property Security Agreement |
| Dec 31, 2018 reel/frame not recorded | Surefly, Inc.; Workhorse Group Inc.; Workhorse Motor Works Inc; Workhorse Technologies Inc. | Wilmington Trust, National Association | Security Interest |
| Dec 31, 2018 Reel 47876, frame 342 | Workhorse Group Inc.; Workhorse Technologies Inc.; Workhorse Motor Works Inc; Surefly, Inc. | Wilmington Trust, National Association | Security Interest |
| Jan 3, 2019 Reel 47890, frame 124 | Arosa Opportunistic Fund LP | Workhorse Group Inc. | Security Interest |
| Feb 5, 2019 Reel 48262, frame 220 | Amp Electric Vehicles Inc. | Workhorse Technologies Inc. | Change of Name |
| Dec 12, 2019 Reel 51256, frame 770 | Workhorse Technologies Inc. | Workhorse Group Inc. | Assignment of Assignor's Interest |
| Dec 16, 2019 Reel 51317, frame 748 | Workhorse Group Inc. | HT Investments Ma LLC, as Collateral Agent | Intellectual Property Security Agreement |
| Dec 16, 2019 reel/frame not recorded | Wilmington Trust, National Association | Workhorse Group Inc. | Termination and Release of Security Interest in Intellectual Property at Reel/Frame No. 47876/0342 |
| Dec 16, 2019 reel/frame not recorded | Wilmington Trust, National Association | Workhorse Technologies Inc. | Termination and Release of Security Interest in Intellectual Property at Reel/Frame No. 47876/0342 |
| Dec 16, 2019 reel/frame not recorded | Wilmington Trust, National Association | Workhorse Motor Works Inc | Termination and Release of Security Interest in Intellectual Property at Reel/Frame No. 47876/0342 |
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What's changing
Dec 2031
Term ends. No further fees fall due before then
Note
The 49 days of PTA are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2013 in our data, the only group it is compared against.
How we rank
Every date shows its work: base rule, PTA, PTE, disclaimer caps, fee overlay, 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.