Also listed on Biocept, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Sep 16, 2026 (3I, LP).
Term ends Oct 8, 2031 · High confidence
20-year base term ends Mar 24, 2030
Held by Cerenome, Inc.
Filed Nov 26, 2019 as application 16/695,976 · Granted Aug 8, 2023
Base term plus 563 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Mar 24, 2010
Mar 24, 2010
Term ends
Oct 8, 2031
Oct 8, 2031
Granted
Aug 8, 2023
Aug 8, 2023
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
563
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 9,128,082, to Oct 8, 2031. 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.
7
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 563 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 Mar 24, 2010, when application 12/730,738, the earliest non-provisional in its chain, was filed (this one was filed Nov 26, 2019) | Mar 24, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +563 days, USPTO patent term adjustment record | Oct 8, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,128,082) | resolves to Oct 8, 2031, 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 | Oct 8, 2031 | High confidence |
This family
| US 9,128,082 | In force Oct 2031 | Oct 2031 |
| Application 13/269,532 | Abandoned not computed | not computed |
| US 9,671,407 | In force Mar 2030 | Mar 2030 |
| US 10,527,611 | In force Jan 2031 | Jan 2031 |
| US 11,719,692 | this patent Oct 2031 | Oct 2031 |
| Application 18/334,185 | Abandoned not computed | not computed |
| Application 19/546,605 | 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 |
|---|---|---|---|
| Nov 26, 2019 Reel 51119, frame 857 | Mikolajczyk, Stephen; Pircher, Tony; Tsinberg, Pavel; Bischoff, Farideh Z. | Biocept, Inc. | Assignment of Assignor's Interest |
| May 14, 2024 Reel 67409, frame 214 | Biocept, Inc. | Plus Therapeutics, Inc. | Assignment of Assignor's Interest |
| Aug 30, 2026 Reel 76288, frame 260 | Plus Therapeutics, Inc. | Cerenome, Inc. | Change of Name |
| Sep 16, 2026 Reel 76505, frame 1 | Cerenome, Inc.; Cnside Diagnostics, LLC | 3I, LP | Security 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
Oct 2031
Term ends Oct 8, 2031. Maintenance fees still fall due before then
Note
The 563 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 9,128,082, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2023 in our data, the only group it is compared against.
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.