Collateral for a security interest recorded Jun 22, 2023 (Morgan Stanley Senior Funding, Inc., as the Collateral Agent).
Term ended Jan 20, 2026 · High confidence
20-year base term ended Jan 20, 2026
Held by Allegro Microsystems, LLC
Filed Jun 2, 2010 as application 12/792,245 · Granted Jan 14, 2014
Base term, 20 years from filing
Today
Term ended Jan 20, 2026
2006
2026
Clock starts
Jan 20, 2006
Jan 20, 2006
Term ended
Jan 20, 2026
Jan 20, 2026
Granted
Jan 14, 2014
Jan 14, 2014
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
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.
6
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Jan 20, 2006, when application 11/335,944, the earliest non-provisional in its chain, was filed (this one was filed Jun 2, 2010) | Jan 20, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Jan 20, 2026 | High confidence |
This family
| US 7,768,083 | In force Apr 2027 | Apr 2027 |
| US 8,629,520 | this patent Jan 2026 | Jan 2026 |
| US 9,082,957 | Term ended no later than Jan 2026 | no later than Jan 2026 |
| US 8,952,471 | Term ended no later than Jan 2026 | no later than Jan 2026 |
| US 9,859,489 | Term ended no later than Jan 2026 | no later than Jan 2026 |
| US 10,069,063 | Term ended Jan 2026 | Jan 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 |
|---|---|---|---|
| Jun 2, 2010 Reel 24473, frame 382 | Doogue, Michael C.; Taylor, William P.; Mangtani, Vijay | Allegro Microsystems, Inc. | Assignment of Assignor's Interest |
| Apr 10, 2013 Reel 30426, frame 178 | Allegro Microsystems, Inc. | Allegro Microsystems, LLC | Conversion and Name Change |
| Oct 1, 2020 Reel 53957, frame 620 | Allegro Microsystems, LLC | Mizuho Bank Ltd., as Collateral Agent | Patent Security Agreement |
| Oct 1, 2020 Reel 53957, frame 874 | Allegro Microsystems, LLC | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Patent Security Agreement |
| Jun 22, 2023 Reel 64068, frame 459 | Allegro Microsystems, LLC | Morgan Stanley Senior Funding, Inc., as the Collateral Agent | Patent Security Agreement |
| Jun 22, 2023 Reel 64068, frame 360 | Mizuho Bank, Ltd., as Collateral Agent | Allegro Microsystems, LLC | Release of Security Interest in Patents (R/F 053957/0620) |
| Nov 1, 2023 Reel 65420, frame 572 | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Allegro Microsystems, LLC | Release of Security Interest in Patents at Reel 053957/FRAME 0874 |
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.
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Alerts on its grants, lapses and transfers.
Citations
98
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.