Term ends Apr 11, 2037 · High confidence
20-year base term ends Mar 11, 2036
Held by Akoustis Technologies Corp.
Filed Mar 11, 2016 as application 15/068,510 · Granted Feb 26, 2019
Base term plus 396 days of patent term adjustment (USPTO delay)
Today
2016
2037
Clock starts
Mar 11, 2016
Mar 11, 2016
Term ends
Apr 11, 2037
Apr 11, 2037
Granted
Feb 26, 2019
Feb 26, 2019
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
396
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 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.
92
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 396 days past its 20-year base term on prosecution delay. 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 11, 2016, when this application, 15/068,510, was filed | Mar 11, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +396 days, USPTO patent term adjustment record | Apr 11, 2037 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 11, 2037 | High confidence |
This family
| US 10,217,930 | this patent Apr 2037 | Apr 2037 |
| US 10,581,398 | In force Dec 2036 | Dec 2036 |
| US 10,110,188 | In force Nov 2036 | Nov 2036 |
| US 10,110,190 | In force Nov 2036 | Nov 2036 |
| US 10,110,189 | In force Nov 2036 | Nov 2036 |
| US 10,615,773 | In force Jul 2038 | Jul 2038 |
| US 10,355,659 | In force Mar 2036 | Mar 2036 |
| US 10,979,022 | In force Mar 2036 | Mar 2036 |
8 of 92 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 14, 2016 Reel 38082, frame 519 | Feldman, Alexander Y.; Boomgarden, Mark D.; Lewis, Michael P.; Vetury, Ramakrishna; Shealy, Jeffrey B. | Akoustis, Inc. | Assignment of Assignor's Interest |
| May 15, 2018 Reel 45804, frame 148 | Akoustis, Inc. | The Bank of New York Mellon Trust Company, N.A. | Security Interest |
| Mar 9, 2021 Reel 55538, frame 909 | The Bank of New York Mellon Trust Company, N.A. | Akoustis, Inc. | Release of Security Interest |
| Jun 17, 2025 Reel 71435, frame 851 | Akoustis Technologies, Inc.; Akoustis, Inc.; RFM Integrated Device Inc. | Tune Holdings Corp. | Assignment of Assignor's Interest |
| Jun 17, 2025 Reel 71679, frame 954 | Tune Holdings Corp. | Akoustis Technologies Corp. | Change of Name |
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
Apr 2037
Term ends Apr 11, 2037. Maintenance fees still fall due before then
Note
The 396 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is above the median of utility patents granted in 2019 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.