Term ends Apr 13, 2042 · High confidence
20-year base term ends Aug 20, 2041
Held by Shape Memory Medical, Inc.
Filed May 25, 2023 as application 18/323,751 · Granted Nov 10, 2026
Base term plus 236 days of patent term adjustment (USPTO delay)
Today
2021
2042
Clock starts
Aug 20, 2021
Aug 20, 2021
Term ends
Apr 13, 2042
Apr 13, 2042
Granted
Nov 10, 2026
Nov 10, 2026
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
236
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
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 runs 236 days past its 20-year base term on prosecution delay. 0 of 3 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 Aug 20, 2021, when application 17/407,271, the earliest non-provisional in its chain, was filed (this one was filed May 25, 2023) | Aug 20, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +236 days, USPTO patent term adjustment record | Apr 13, 2042 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 13, 2042 | High confidence |
This family
| US 11,701,123 | In force Oct 2041 | Oct 2041 |
| US 12,788,404 | this patent Apr 2042 | Apr 2042 |
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 |
|---|---|---|---|
| May 26, 2026 Reel 74753, frame 933 | Le, Le; Leo, Rose Y.; Yeh, Chung; Kwong, Kasey; Marlangaue, Rochelle; Landsman, Todd L.; Barrett, Michael | Shape Memory Medical, 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.
What's changing
Apr 2042
Term ends Apr 13, 2042. Maintenance fees still fall due before then
Note
The 236 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
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.