Lapsed Mar 17, 2019 on the fee record · High confidence
20-year base term ends Apr 20, 2031
First maintenance fee unpaid; grace period ended.
Held by Qorvo US, Inc.
Filed Jun 29, 2011 as application 13/172,371 · Granted Mar 17, 2015
Base term, 20 years from filing, plus 860 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Mar 17, 2019
2011
2032
Clock starts
Apr 20, 2011
Apr 20, 2011
No longer in force
Mar 17, 2019
Mar 17, 2019
Granted
Mar 17, 2015
Mar 17, 2015
Term would have run to
Dec 19, 2032
Dec 19, 2032
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
860
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 8,983,410.
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.
40
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 Dec 19, 2032: its 20-year base term plus 860 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Apr 20, 2011, when application 13/090,663, the earliest non-provisional in its chain, was filed (this one was filed Jun 29, 2011) | Apr 20, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +860 days, USPTO patent term adjustment record | Aug 27, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,983,410) | capped to Dec 19, 2032 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Mar 17, 2019 | High confidence |
| Computed term end | The steps above, in order | Mar 17, 2019 | High confidence |
This family
| US 8,538,355 | Lapsed on the fee record Sep 2017 | Sep 2017 |
| US 9,804,874 | In force Apr 2034 | Apr 2034 |
| US 8,983,409 | this patent Mar 2019 | Mar 2019 |
| US 8,515,361 | In force Jun 2031 | Jun 2031 |
| US 9,214,865 | In force Dec 2033 | Dec 2033 |
| Application PCT/US2011/050633 | PCT application no patent term | no patent term |
| US 8,542,061 | In force Jun 2031 | Jun 2031 |
| US 8,892,063 | In force Sep 2031 | Sep 2031 |
8 of 40 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 |
|---|---|---|---|
| Oct 11, 2011 Reel 27042, frame 471 | Ngo, Christopher Truong; Arkiszewski, Roman Zbigniew; Hunkele, Brad | RF Micro Devices, Inc. | Assignment of Assignor's Interest |
| Mar 19, 2013 Reel 30045, frame 831 | RF Micro Devices, Inc. | Bank of America, N.A., as Administrative Agent | Notice of Grant of Security Interest in Patents |
| Mar 30, 2015 Reel 35334, frame 363 | Bank of America, N.A., as Administrative Agent | RF Micro Devices, Inc. | Termination and Release of Security Interest in Patents (Recorded 3/19/13 at Reel/Frame 030045/0831) |
| Jun 16, 2016 Reel 39196, frame 941 | RF Micro Devices, Inc. | Qorvo US, Inc. | Merger |
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
Note
The 860 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 8,983,410.
Citations
14
later US patents cite this one
That is above the median of utility patents granted in 2015 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.