Term ended Jan 27, 2026 · High confidence
20-year base term ended Jun 13, 2025
Held by Microsemi Soc Corp.
Filed Jan 15, 2014 as application 14/155,752 · Granted Sep 5, 2017
Base term plus 228 days of patent term adjustment (USPTO delay)
Today
Term ended Jan 27, 2026
2005
2026
Clock starts
Jun 13, 2005
Jun 13, 2005
Term ended
Jan 27, 2026
Jan 27, 2026
Granted
Sep 5, 2017
Sep 5, 2017
base term
patent term adjustment
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
228
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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.
This patent's term runs 228 days past its 20-year base term on prosecution delay. 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 Jan 15, 2014) | Jun 13, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +228 days, USPTO patent term adjustment record | Jan 27, 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 | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Jan 27, 2026 | High confidence |
This family
| US 7,368,789 | Term ended Jan 2026 | Jan 2026 |
| US 7,838,944 | Lapsed on the fee record Nov 2014 | Nov 2014 |
| US 8,633,548 | In force Nov 2026 | Nov 2026 |
| US 9,754,948 | this patent 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 |
|---|---|---|---|
| Jul 31, 2014 Reel 33430, frame 606 | Dhaoui, Fethi; McCollum, John; Hawley, Frank; Wilkinson, Leslie Richard | Actel Corporation | Assignment of Assignor's Interest |
| Aug 5, 2014 Reel 33465, frame 191 | Actel Corporation | Microsemi Soc Corp. | Assignment of Assignor's Interest |
| Apr 22, 2015 Reel 35477, frame 57 | Microsemi Corporation; Microsemi Corp.-Analog Mixed Signal Group; Microsemi Semiconductor (U.S.) Inc.; Microsemi Soc Corp.; Microsemi Frequency and Time Corporation | Bank of America, N.A., as Collateral Agent | Security Agreement |
| 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 |
| Feb 3, 2016 Reel 37691, frame 697 | Microsemi Corporation; Microsemi Semiconductor (U.S.) Inc. (F/K/A Legerity, Inc., Zarlink Semiconductor (V.N.) Inc., Centellax, Inc., and Zarlink Semiconductor (U.S.) Inc.); Microsemi Frequency and Time Corporation (F/K/A Symmetricon, Inc.); Microsemi Communications, Inc. (F/K/A Vitesse Semiconductor Corporation); Microsemi Soc Corp. (F/K/A Actel Corporation); Microsemi Corp. - Power Products Group (F/K/A Advanced Power Technology Inc.); Microsemi Corp. - RF Integrated Solutions (F/K/A Aml Communications, Inc.) | Morgan Stanley Senior Funding, Inc. | Patent Security Agreement |
| May 29, 2018 Reel 46251, frame 391 | Morgan Stanley Senior Funding, Inc. | Microsemi Corporation; Microsemi Semiconductor (U.S.), Inc.; Microsemi Frequency and Time Corporation; Microsemi Communications, Inc.; Microsemi Soc Corp.; Microsemi Corp. - Power Products Group; Microsemi Corp. - RF Integrated Solutions | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Corporation | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Semiconductor (U.S.), Inc. | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Frequency and Time Corporation | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Communications, Inc. | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Soc Corp. | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Corp. - Power Products Group | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Corp. - RF Integrated Solutions | 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 228 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is below the median 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.