Term ends Jul 7, 2038 · High confidence
20-year base term ends Sep 11, 2037
Held by Akoustis Technologies Corp.
Filed Sep 11, 2017 as application 15/701,307 · Granted Apr 7, 2020
Base term plus 299 days of patent term adjustment (USPTO delay)
Today
2017
2038
Clock starts
Sep 11, 2017
Sep 11, 2017
Term ends
Jul 7, 2038
Jul 7, 2038
Granted
Apr 7, 2020
Apr 7, 2020
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
299
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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 299 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Sep 11, 2017, when this application, 15/701,307, was filed | Sep 11, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +299 days, USPTO patent term adjustment record | Jul 7, 2038 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 7, 2038 | High confidence |
This family
| US 10,217,930 | In force 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 | this patent 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 |
|---|---|---|---|
| Sep 13, 2017 Reel 43572, frame 722 | Vetury, Ramakrishna; Gibb, Shawn R.; Boomgarden, Mark D.; 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 13, 2025 Reel 71412, frame 924 | Akoustis Technologies, Inc.; Akoustis, Inc.; RFM Integrated Device Inc. | Tune Holdings Corp. | Assignment of Assignor's Interest |
| Jun 13, 2025 Reel 71581, frame 633 | 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
Jul 2038
Term ends Jul 7, 2038. Maintenance fees still fall due before then
Note
The 299 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
50
later US patents cite this one
That is top 5% of utility patents granted in 2020 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.