Also listed on Immedia Semiconductor LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 31, 2037 · High confidence
20-year base term ends Mar 31, 2037
Held by Amazon Technologies, Inc.
Filed Mar 31, 2017 as application 15/475,566 · Granted Jun 23, 2026
Base term, 20 years from filing
Today
2017
2037
Clock starts
Mar 31, 2017
Mar 31, 2017
Term ends
Mar 31, 2037
Mar 31, 2037
Granted
Jun 23, 2026
Jun 23, 2026
base term
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.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
2
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 is its 20-year base term, with no adjustment for prosecution delay. 0 of 2 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 31, 2017, when this application, 15/475,566, was filed | Mar 31, 2037 | 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 31, 2037 | High confidence |
This family
| US 12,666,352 | this patent Mar 2037 | Mar 2037 |
| Application PCT/US2018/024622 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Jun 14, 2017 Reel 42705, frame 328 | Gordon, Stephen E.; Besen, Peter D.; Gorfajn, Julian I. | Immedia Semiconductor, Inc. | Assignment of Assignor's Interest |
| Jan 9, 2018 Reel 44776, frame 968 | Immedia Semiconductor, Inc. | Immedia Semiconductor LLC | Change of Name |
| Jan 12, 2018 Reel 44610, frame 809 | Immedia Semiconductor LLC | A9.com, Inc. | Assignment of Assignor's Interest |
| Oct 13, 2024 Reel 69167, frame 493 | A9.com, Inc. | Amazon Technologies, Inc. | 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.
What's changing
Mar 2037
Term ends Mar 31, 2037. Maintenance fees still fall due before then
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.