Also listed on Phoenix Neutron Imaging LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 11, 2039 · High confidence
20-year base term ends Apr 11, 2039
Held by Phoenix LLC
Filed Apr 11, 2019 as application 16/381,856 · Granted Sep 28, 2021
Base term, 20 years from filing
Today
2019
2039
Clock starts
Apr 11, 2019
Apr 11, 2019
Term ends
Apr 11, 2039
Apr 11, 2039
Granted
Sep 28, 2021
Sep 28, 2021
base term
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.
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.
3
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. 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 Apr 11, 2019, when this application, 16/381,856, was filed | Apr 11, 2039 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 11, 2039 | High confidence |
This family
| US 11,131,783 | this patent Apr 2039 | Apr 2039 |
| US 11,662,485 | In force Apr 2039 | Apr 2039 |
| Application 18/134,358 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Nov 11, 2019 Reel 50972, frame 348 | Radel, Ross; Sengbusch, Evan; Taylor, Michael; Seyfert, Christopher M.; Moll, Eli; Jacobson, Lucas | Phoenix LLC | Assignment of Assignor's Interest |
| Jan 13, 2020 Reel 51500, frame 62 | Phoenix LLC | Phoenix Nuclear Holding Company | Assignment of Assignor's Interest |
| Nov 11, 2020 Reel 54336, frame 304 | Phoenix Nuclear Holding Company | Phoenix Neutron Imaging LLC | Nunc Pro Tunc Assignment |
| May 4, 2021 Reel 56123, frame 334 | Phoenix LLC; Phoenix Neutron Imaging LLC | Deerfield Management Company, L.p. | Security Interest |
| Oct 15, 2021 Reel 57827, frame 914 | Shine Medical Technologies, LLC | Shine Technologies, LLC | Change of Name |
| Jan 4, 2022 Reel 58981, frame 751 | Phoenix LLC | Phoenix LLC | Correction by Declaration, to Confirm the Name Change Document Recorded Under Reel/Frame Number 057827/0914, Was Made in Error, and Ownership Never Changed. |
| Apr 11, 2025 Reel 70814, frame 475 | Phoenix Neutron Imaging LLC; Phoenix LLC | Phoenix LLC | Merger and 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Apr 2039
Term ends Apr 11, 2039. Maintenance fees still fall due before then
Citations
2
later US patents cite this one
That is above the median of utility patents granted in 2021 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.