Term ends May 18, 2038 · High confidence
20-year base term ends May 18, 2038
Held by Hemanext Inc.
Filed Jan 9, 2023 as application 18/152,140 · Granted Mar 24, 2026
Base term plus 516 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2018
2038
Clock starts
May 18, 2018
May 18, 2018
Term ends
May 18, 2038
May 18, 2038
Granted
Mar 24, 2026
Mar 24, 2026
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
516
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,898,517, US 11,026,970, US 11,026,971, US 11,033,581, US 11,052,110.
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.
9
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 516 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 May 18, 2018, when application PCT/US2018/033404, the earliest non-provisional in its chain, was filed (this one was filed Jan 9, 2023) | May 18, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +516 days, USPTO patent term adjustment record | Oct 16, 2039 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,898,517, US 11,026,970, US 11,026,971, US 11,033,581, US 11,052,110) | capped to May 18, 2038 | 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 | May 18, 2038 | High confidence |
This family
| Application PCT/US2018/033404 | PCT application no patent term | no patent term |
| US 11,026,970 | In force May 2038 | May 2038 |
| US 10,898,517 | In force May 2038 | May 2038 |
| US 11,033,581 | In force May 2038 | May 2038 |
| US 11,026,971 | In force May 2038 | May 2038 |
| US 11,052,110 | In force May 2038 | May 2038 |
| US 11,576,931 | In force Sep 2038 | Sep 2038 |
| US 12,582,674 | this patent May 2038 | May 2038 |
8 of 9 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jan 11, 2023 Reel 62346, frame 659 | Dunham, Andrew; Yoshida, Tatsuro | New Health Sciences, Inc. | Assignment of Assignor's Interest |
| Jan 11, 2023 Reel 63825, frame 302 | New Health Sciences, Inc. | Hemanext Inc. | 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
May 2038
Term ends May 18, 2038. Maintenance fees still fall due before then
Note
The 516 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,898,517, US 11,026,970, US 11,026,971, US 11,033,581, US 11,052,110.
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.