Collateral for a security interest recorded Mar 24, 2021 (Regions Bank).
Term ends Aug 28, 2033 · High confidence
Held by Quantum Materials, LLC
Filed Aug 16, 2017 as application 29/614,101 · Granted Aug 28, 2018
Base term, 15 years from grant
Today
2018
2033
Clock starts
Aug 28, 2018
Aug 28, 2018
Term ends
Aug 28, 2033
Aug 28, 2033
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.
15 years from grant
Base term
No maintenance fees are payable on this kind of patent.
This patent's term is its base term, 15 years from grant, with no adjustment for prosecution delay. No maintenance fees are payable on this kind of patent. 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, 15 years from grant | Granted Aug 28, 2018 | Aug 28, 2033 | 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 |
| Computed term end | The steps above, in order | Aug 28, 2033 | High confidence |
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 |
|---|---|---|---|
| Aug 16, 2017 Reel 43305, frame 258 | Davis, J. Michael | Quantum Materials, LLC | Assignment of Assignor's Interest |
| Mar 24, 2021 Reel 55709, frame 440 | Quantum Materials, LLC | Regions Bank | Notice of Grant of Security Interest in U.S. Patent |
| May 24, 2023 Reel 63744, frame 192 | Quantum Materials, LLC | BMO Harris Bank N.A., as Administrative Agent | Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center
No maintenance fees are payable on this kind of patent, so the record carries no fee events.
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Alerts on its grants, lapses and transfers.
What's changing
Aug 2033
Term ends Aug 28, 2033. No maintenance fees are payable on this kind of patent
Citations
1
later US patent cites this one
That is below the median of design patents granted in 2018 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.