Also listed on Power-One Italy S.P.A., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 20, 2026 · High confidence
20-year base term ended Aug 4, 2025
Filed Aug 4, 2005 as application 11/197,128 · Granted Aug 5, 2008
Base term plus 473 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Aug 4, 2005
Aug 4, 2005
Term ends
Nov 20, 2026
Nov 20, 2026
Granted
Aug 5, 2008
Aug 5, 2008
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
473
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 473 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 Aug 4, 2005, when this application, 11/197,128, was filed | Aug 4, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +473 days, USPTO patent term adjustment record | Nov 20, 2026 | 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 | Nov 20, 2026 | 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 |
|---|---|---|---|
| Mar 31, 2006 Reel 17732, frame 251 | Nocentini, Danio; Macerini, Sauro | Magnetek, S.p.a. | Assignment of Assignor's Interest |
| May 4, 2007 Reel 19246, frame 465 | Magnetek, Inc. | Power-One, Inc. | Assignment of Assignor's Interest |
| Mar 7, 2008 Reel 20617, frame 177 | Power-One, Inc. | Pwer Bridge, LLC | Security Agreement |
| Mar 20, 2008 Reel 20741, frame 403 | Power-One, Inc. | Pwer Bridge, LLC | Corrective Assignment to Correct the Assignee Addr |
| Jul 17, 2008 Reel 21253, frame 24 | Pwer Bridge, LLC | Power-One, Inc. | Release of Security Interest |
| Jul 17, 2008 Reel 21253, frame 76 | Power-One, Inc. | The Bank of New York Trust Company, N.A. | Security Agreement |
| Mar 26, 2011 Reel 26026, frame 794 | The Bank of New York Mellon Trust Company, N.A. (as Successor to the Bank of New York Trust Company, N.A.) | Power-One, Inc. | Release of Security Interest |
| Jun 7, 2011 Reel 26401, frame 98 | Power-One, Inc. | Bank Of America, N.a. | Security Agreement |
| May 5, 2014 Reel 32826, frame 684 | Bank of America, N.A. as Administrative Agent | Power-One, Inc. | Release of Security Interest |
| Jun 27, 2014 Reel 33194, frame 865 | Power-One, Inc. | Power-One Italy S.P.A. | Assignment of Assignor's Interest |
| Apr 20, 2015 Reel 35450, frame 191 | Power-One Italy S.P.A. | ABB Technology AG | Assignment of Assignor's Interest |
| Nov 15, 2016 Reel 40800, frame 327 | ABB Technology Ltd. | ABB Schweiz AG | Merger |
| Oct 26, 2020 Reel 54205, frame 806 | ABB Schweiz AG | Marici Holdings the Netherlands B.V. | Assignment of Assignor's 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
Nov 2026
Term ends Nov 20, 2026. No further fees fall due before then
Note
The 473 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
41
later US patents cite this one
That is top 25% of utility patents granted in 2008 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.