Lapsed Nov 23, 2014 on the fee record · High confidence
20-year base term ended Jun 13, 2025
First maintenance fee unpaid; grace period ended.
Held by Microsemi Soc Corporation
Filed Mar 25, 2008 as application 12/054,633 · Granted Nov 23, 2010
Base term, 20 years from filing, plus 132 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 23, 2014
2005
2026
Clock starts
Jun 13, 2005
Jun 13, 2005
No longer in force
Nov 23, 2014
Nov 23, 2014
Granted
Nov 23, 2010
Nov 23, 2010
Term would have run to
Oct 23, 2025
Oct 23, 2025
base term
patent term adjustment
after the term ends
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
132
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,368,789, to Oct 23, 2025. The term already ends on or before that date, so the cap shortened nothing.
0 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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Oct 23, 2025: its 20-year base term plus 132 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jun 13, 2005, when application 11/152,018, the earliest non-provisional in its chain, was filed (this one was filed Mar 25, 2008) | Jun 13, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +132 days, USPTO patent term adjustment record | Oct 23, 2025 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,368,789) | resolves to Oct 23, 2025, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Nov 23, 2014 | High confidence |
| Computed term end | The steps above, in order | Nov 23, 2014 | High confidence |
This family
| US 7,368,789 | Term ended Jan 2026 | Jan 2026 |
| US 7,838,944 | this patent Nov 2014 | Nov 2014 |
| US 8,633,548 | In force Nov 2026 | Nov 2026 |
| US 9,754,948 | 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 |
|---|---|---|---|
| Nov 11, 2011 Reel 27213, frame 611 | Microsemi Corporation; Microsemi Corp. - Analog Mixed Signal Group; Microsemi Corp. - Massachusetts; Actel Corporation | Morgan Stanley & Co. LLC | Supplemental Patent Security Agreement |
| Jan 6, 2014 Reel 31872, frame 520 | Actel Corporation | Microsemi Soc Corporation | Change of Name |
| Jan 19, 2016 Reel 37558, frame 711 | Bank Of America, N.a. | Microsemi Corporation; Microsemi Corp.-Analog Mixed Signal Group, a Delaware Corporation; Microsemi Soc Corp., a California Corporation; Microsemi Semiconductor (U.S.) Inc., a Delaware Corporation; Microsemi Frequency and Time Corporation, a Delaware Corporation; Microsemi Communications, Inc. (F/K/A Vitesse Semiconductor Corporation), a Delaware Corporation; Microsemi Corp.-Memory and Storage Solutions (F/K/A White Electronic Designs Corporation), an Indiana Corporation | Release of Security Interest |
| Jan 19, 2016 reel/frame not recorded | Bank Of America, N.a. | Microsemi Corporation | Release of Security Interest |
| Jan 19, 2016 reel/frame not recorded | Bank Of America, N.a. | Microsemi Corp.-Analog Mixed Signal Group, a Delaware Corporation | Release of Security Interest |
| Jan 19, 2016 reel/frame not recorded | Bank Of America, N.a. | Microsemi Soc Corp., a California Corporation | Release of Security Interest |
| Jan 19, 2016 reel/frame not recorded | Bank Of America, N.a. | Microsemi Semiconductor (U.S.) Inc., a Delaware Corporation | Release of Security Interest |
| Jan 19, 2016 reel/frame not recorded | Bank Of America, N.a. | Microsemi Frequency and Time Corporation, a Delaware Corporation | Release of Security Interest |
| Jan 19, 2016 reel/frame not recorded | Bank Of America, N.a. | Microsemi Communications, Inc. (F/K/A Vitesse Semiconductor Corporation), a Delaware Corporation | Release of Security Interest |
| Jan 19, 2016 reel/frame not recorded | Bank Of America, N.a. | Microsemi Corp.-Memory and Storage Solutions (F/K/A White Electronic Designs Corporation), an Indiana Corporation | Release of 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
Note
The 132 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,368,789, ends no earlier than this term, so it caps nothing.
Citations
9
later US patents cite this one
That is below the median of utility patents granted in 2010 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.