Also listed on Helio LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 6, 2037 · Medium confidence
20-year base term ends Jul 6, 2037
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 11,396,678, US 12,359,257), so the cap could be lower.
Jul 6, 2017
Jul 6, 2037
Jan 28, 2020
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jul 6, 2017, when application PCT/US2017/040963, the earliest non-provisional in its chain, was filed (this one was filed Dec 12, 2017) | Jul 6, 2037 | 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 | Disclaimer resolved from the filed document (refs US 11,396,678, US 12,351,876, US 12,359,257, US 12,359,258) | resolves to Jul 6, 2037, no earlier than this term, so no change | Medium 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 | Jul 6, 2037 | Medium confidence |
This family
| Application PCT/US2017/040963 | PCT application no patent term | no patent term |
| US 10,544,467 | this patent Jul 2037 | Jul 2037 |
| Application 16/727,843 | Abandoned not computed | not computed |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jul 9, 2018 Reel 46297, frame 616 | Zhang, Kang | The Regents of the University of California | Assignment of Assignor's Interest |
| Jul 9, 2018 Reel 46297, frame 661 | Hou, Rui; Zheng, Lianghong | Youhealth Biotech, Limited | Assignment of Assignor's Interest |
| May 16, 2019 Reel 49204, frame 813 | Youhealth Biotech, Limited | Youhealth Oncotech, Limited | Assignment of Assignor's Interest |
| Oct 15, 2024 Reel 68906, frame 59 | Youhealth Oncotech, Limited | Helio Health 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
A terminal disclaimer resolved from the filed document, referencing US 11,396,678, US 12,351,876, US 12,359,257, US 12,359,258, ends no earlier than this term, so it caps nothing.