Lapsed Sep 15, 2023 on the fee record · High confidence
20-year base term ends Nov 17, 2026
Second maintenance fee unpaid; grace period ended.
Held by Murata Manufacturing Co., Ltd.
Filed Dec 18, 2014 as application 14/575,861 · Granted Sep 15, 2015
Base term, 20 years from filing
Today
Lapsed Sep 15, 2023
2006
2026
Clock starts
Nov 17, 2006
Nov 17, 2006
No longer in force
Sep 15, 2023
Sep 15, 2023
Granted
Sep 15, 2015
Sep 15, 2015
Term would have run to
Nov 17, 2026
Nov 17, 2026
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,639,101, US 7,719,382, US 7,863,999, US 8,063,714, US 8,797,120, US 8,922,294, to Nov 17, 2026. The term already ends on or before that date, so the cap shortened nothing.
1 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.
13
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 Nov 17, 2026: its 20-year base term, with no 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 Nov 17, 2006, when application 11/561,333, the earliest non-provisional in its chain, was filed (this one was filed Dec 18, 2014) | Nov 17, 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 | Disclaimer resolved from the filed document (refs US 7,639,101, US 7,719,382, US 7,863,999, US 8,063,714, US 8,797,120, US 8,922,294) | resolves to Nov 17, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | lapsed Sep 15, 2023 | High confidence |
| Computed term end | The steps above, in order | Sep 15, 2023 | High confidence |
This family
| US 7,719,382 | In force Mar 2027 | Mar 2027 |
| US 7,639,101 | In force Nov 2026 | Nov 2026 |
| US 7,863,999 | In force Nov 2026 | Nov 2026 |
| US 8,063,714 | In force Nov 2026 | Nov 2026 |
| US 8,797,120 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 8,922,294 | In force Nov 2026 | Nov 2026 |
| US 9,135,388 | this patent Sep 2023 | Sep 2023 |
| Application PCT/US2014/072391 | PCT application no patent term | no patent term |
8 of 13 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 |
|---|---|---|---|
| Feb 3, 2015 Reel 34879, frame 282 | Resonant LLC | Resonant Inc. | Assignment of Assignor's Interest |
| Feb 3, 2015 Reel 34891, frame 251 | Tsuzuki, Genichi; Willemsen, Balam A. | Resonant LLC | Assignment of Assignor's Interest |
| Mar 6, 2023 Reel 62957, frame 864 | Resonant Inc. | Murata Manufacturing Co., Ltd. | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,639,101, US 7,719,382, US 7,863,999, US 8,063,714, US 8,797,120, US 8,922,294, ends no earlier than this term, so it caps nothing.
Citations
7
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.