Term ends Dec 20, 2038 · Medium confidence
20-year base term ends Jan 8, 2038
Why Medium: A parent in the chain could not be resolved.
Held by Verathon Inc.
Filed Dec 15, 2023 as application 18/541,775 · Granted Sep 8, 2026
Base term plus 346 days of patent term adjustment (USPTO delay)
Today
2018
2038
Clock starts
Jan 8, 2018
Jan 8, 2018
Term ends
Dec 20, 2038
Dec 20, 2038
Granted
Sep 8, 2026
Sep 8, 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
346
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.
4
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 346 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are paid so far. Confidence: Medium. 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 Jan 8, 2018, when application 15/864,416, the earliest non-provisional in its chain, was filed (this one was filed Dec 15, 2023); a parent in its chain could not be resolved (the next row) | Jan 8, 2038 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +346 days, USPTO patent term adjustment record | Dec 20, 2038 | 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 | Dec 20, 2038 | Medium confidence |
This family
| US 10,820,792 | In force Jul 2038 | Jul 2038 |
| US 11,883,008 | In force Apr 2039 | Apr 2039 |
| US 12,727,754 | this patent Dec 2038 | Dec 2038 |
| Application 18/541,726 | 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 |
|---|---|---|---|
| Dec 15, 2023 Reel 65886, frame 304 | Yazdi, Reza Ahmadian; Roodnick, Daniel; Mah, Willie; Liu, Xiaoping; Sidhu, Rohan | Verathon 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
Dec 2038
Term ends Dec 20, 2038. Maintenance fees still fall due before then
Note
The 346 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.