Term ends Feb 28, 2039 · Medium confidence
20-year base term ends Feb 28, 2039
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 10,902,952), so the cap could be lower.
Held by Tempus AI, Inc.
Filed Jan 25, 2021 as application 17/157,974 · Granted Dec 20, 2022
Base term plus 174 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2019
2039
Clock starts
Feb 28, 2019
Feb 28, 2019
Term ends
Feb 28, 2039
Feb 28, 2039
Granted
Dec 20, 2022
Dec 20, 2022
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
174
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 10,395,772, US 10,902,952.
1 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.
6
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 174 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 maintenance fees is 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 Feb 28, 2019, when application 16/289,027, the earliest non-provisional in its chain, was filed (this one was filed Jan 25, 2021) | Feb 28, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +174 days, USPTO patent term adjustment record | Aug 21, 2039 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,395,772, US 10,902,952) | capped to Feb 28, 2039 | 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 | Feb 28, 2039 | Medium confidence |
This family
| US 10,395,772 | In force Feb 2039 | Feb 2039 |
| US 10,902,952 | In force no later than Feb 2039 | no later than Feb 2039 |
| US 11,532,397 | this patent Feb 2039 | Feb 2039 |
| US 11,651,442 | In force Feb 2039 | Feb 2039 |
| US 12,536,595 | In force Jan 2040 | Jan 2040 |
| Application 19/432,050 | 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 |
|---|---|---|---|
| Sep 22, 2022 Reel 61506, frame 316 | Tempus Labs, Inc. | Ares Capital Corporation, As Collateral Agent | Security Interest |
| Oct 10, 2022 Reel 61364, frame 623 | Lucas, Michael; Ozeran, Jonathan; Taylor, Jason; Fernandes, Louis; Neems, Daniel; Lane, Hunter; Lefkofsky, Eric | Tempus Labs, Inc. | Assignment of Assignor's Interest |
| Feb 9, 2024 Reel 66544, frame 110 | Tempus Labs, Inc. | Tempus AI, Inc. | Change of Name |
| May 13, 2026 Reel 75608, frame 784 | Ares Capital Corporation, As Collateral Agent | Tempus AI, Inc. (F/K/A Tempus Labs, Inc.) | Release of 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2039
Term ends Feb 28, 2039. Maintenance fees still fall due before then
Note
The 174 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 10,395,772, US 10,902,952.
Citations
11
later US patents cite this one
That is top 10% of utility patents granted in 2022 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.