Collateral for a security interest recorded Nov 22, 2022 (Perceptive Credit Holdings IV, LP).
Term ends Dec 21, 2032 · High confidence
20-year base term ends Dec 21, 2032
Held by Biodesix, Inc.
Filed Feb 25, 2013 as application 13/775,494 · Granted Apr 5, 2016
Base term plus 229 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2012
2032
Clock starts
Dec 21, 2012
Dec 21, 2012
Term ends
Dec 21, 2032
Dec 21, 2032
Granted
Apr 5, 2016
Apr 5, 2016
base term
fee events
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
229
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 9,091,651.
2 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.
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 229 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 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 Dec 21, 2012, when application 13/724,823, the earliest non-provisional in its chain, was filed (this one was filed Feb 25, 2013) | Dec 21, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +229 days, USPTO patent term adjustment record | Aug 7, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,091,651) | capped to Dec 21, 2032 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 21, 2032 | High confidence |
This family
| US 9,201,044 | In force Jul 2033 | Jul 2033 |
| US 9,304,137 | this patent Dec 2032 | Dec 2032 |
| US 9,588,127 | In force Dec 2032 | Dec 2032 |
| US 10,338,074 | In force Dec 2032 | Dec 2032 |
| US 11,913,957 | In force Dec 2032 | Dec 2032 |
| Application PCT/US2018/056570 | PCT application no patent term | no patent term |
| US 12,247,980 | In force Dec 2032 | Dec 2032 |
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 21, 2013 Reel 30460, frame 702 | Kearney, Paul Edward; Fang, Kenneth Charles; Li, Xiao-jun; Hayward, Clive | Integrated Diagnostics, Inc. | Assignment of Assignor's Interest |
| Apr 29, 2014 Reel 32782, frame 464 | Integrated Diagnostics, Inc. | Ind Funding LLC | Security Interest |
| Aug 3, 2018 Reel 46550, frame 277 | Integrated Diagnostics, Inc. | Biodesix, Inc. | Assignment of Assignor's Interest |
| Aug 12, 2020 Reel 53476, frame 137 | Ind Funding LLC | Integrated Diagnostics, Inc. | Release of Security Interest |
| Nov 22, 2022 Reel 61977, frame 919 | Biodesix, Inc. | Perceptive Credit Holdings IV, LP | Security Agreement |
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 2032
Term ends Dec 21, 2032. Maintenance fees still fall due before then
Note
The 229 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 9,091,651.
Citations
17
later US patents cite this one
That is top 25% of utility patents granted in 2016 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.