Term ends Mar 31, 2036 · High confidence
20-year base term ends Oct 21, 2035
Held by 460MEDICAL, Inc.
Filed Jul 30, 2020 as application 16/943,542 · Granted May 13, 2025
Base term plus 162 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
Oct 21, 2015
Oct 21, 2015
Term ends
Mar 31, 2036
Mar 31, 2036
Granted
May 13, 2025
May 13, 2025
base term
patent term adjustment
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
162
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,779,904, to Mar 31, 2036. The term already ends on or before that date, so the cap shortened nothing.
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.
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 runs 162 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Oct 21, 2015, when application 14/919,004, the earliest non-provisional in its chain, was filed (this one was filed Jul 30, 2020) | Oct 21, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +162 days, USPTO patent term adjustment record | Mar 31, 2036 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,779,904) | resolves to Mar 31, 2036, no earlier than this term, so no change | 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, 2036 | High confidence |
This family
| US 10,779,904 | In force Jan 2039 | Jan 2039 |
| Application PCT/US2016/042891 | PCT application no patent term | no patent term |
| US 12,295,795 | this patent Mar 2036 | Mar 2036 |
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 25, 2020 Reel 53887, frame 641 | Ransbury, Terrance J.; Armstrong, Kenneth C.; Amirana, Omar; Larson, Cinnamon | Luxcath, LLC | Assignment of Assignor's Interest |
| Sep 25, 2020 Reel 53888, frame 878 | Luxcath, LLC | 460MEDICAL, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2036
Term ends Mar 31, 2036. Maintenance fees still fall due before then
Note
The 162 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,779,904, ends no earlier than this term, so it caps nothing.
Citations
16
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.