Collateral for a security interest recorded Jun 22, 2023 (Morgan Stanley Senior Funding, Inc., as the Collateral Agent).
Term ends Apr 21, 2032 · High confidence
20-year base term ends Mar 20, 2032
Held by Allegro Microsystems, LLC
Filed Jan 24, 2013 as application 13/748,999 · Granted Nov 7, 2017
Base term plus 602 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2012
2032
Clock starts
Mar 20, 2012
Mar 20, 2012
Term ends
Apr 21, 2032
Apr 21, 2032
Granted
Nov 7, 2017
Nov 7, 2017
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
602
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,234,513, US 9,494,660, US 9,666,788.
2 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.
14
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 602 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 maintenance fees are paid so far. 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 20, 2012, when application 13/424,618, the earliest non-provisional in its chain, was filed (this one was filed Jan 24, 2013) | Mar 20, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +602 days, USPTO patent term adjustment record | Nov 12, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,234,513, US 9,494,660, US 9,666,788) | capped to Apr 21, 2032 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 21, 2032 | High confidence |
This family
| US 10,234,513 | In force Feb 2033 | Feb 2033 |
| US 9,812,588 | this patent Apr 2032 | Apr 2032 |
| US 9,494,660 | In force Dec 2032 | Dec 2032 |
| Application PCT/US2013/025858 | PCT application no patent term | no patent term |
| US 9,666,788 | In force Apr 2032 | Apr 2032 |
| Application PCT/US2013/030112 | PCT application no patent term | no patent term |
| US 10,230,006 | In force Mar 2032 | Mar 2032 |
| Application 16/165,464 | Abandoned not computed | not computed |
8 of 14 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Mar 12, 2013 Reel 29970, frame 508 | Vig, Ravi; Taylor, William P.; David, Paul; Scheller, P. Karl; Friedrich, Andreas P. | 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 |
| Nov 14, 2014 Reel 34171, frame 492 | Allegro Microsystems Europe Limited | Allegro Microsystems, LLC | Assignment of Assignor's Interest |
| 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.
What's changing
Apr 2032
Term ends Apr 21, 2032. Maintenance fees still fall due before then
Note
The 602 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,234,513, US 9,494,660, US 9,666,788.
Citations
64
later US patents cite this one
That is top 5% of utility patents granted in 2017 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.