Term ends Aug 2, 2036 · High confidence
20-year base term ends Oct 28, 2034
Held by Bayer Healthcare LLC
Filed Aug 17, 2022 as application 17/820,381 · Granted Oct 21, 2025
Base term plus 644 days of patent term adjustment (USPTO delay)
Today
2014
2036
Clock starts
Oct 28, 2014
Oct 28, 2014
Term ends
Aug 2, 2036
Aug 2, 2036
Granted
Oct 21, 2025
Oct 21, 2025
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
644
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
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 644 days past its 20-year base term on prosecution delay. 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 Oct 28, 2014, when application 14/526,294, the earliest non-provisional in its chain, was filed (this one was filed Aug 17, 2022) | Oct 28, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +644 days, USPTO patent term adjustment record | Aug 2, 2036 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | 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 | Aug 2, 2036 | High confidence |
This family
| US 9,173,995 | In force Oct 2034 | Oct 2034 |
| US 9,700,670 | In force Oct 2034 | Oct 2034 |
| US 10,245,375 | In force Dec 2034 | Dec 2034 |
| US 11,419,977 | In force Sep 2036 | Sep 2036 |
| US 12,447,271 | this patent Aug 2036 | Aug 2036 |
| Application 19/360,580 | 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 |
|---|---|---|---|
| Aug 17, 2022 Reel 60833, frame 654 | Tucker, Barry L.; Cowan, Kevin P; Uber, Arthur e, III; Rhinehart, Edward J; Spohn, Michael A. | Bayer Healthcare LLC | Assignment of Assignor's Interest |
| Mar 20, 2026 Reel 75266, frame 445 | Bayer Medical Care, Inc. | Bayer Healthcare LLC | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2036
Term ends Aug 2, 2036. Maintenance fees still fall due before then
Note
The 644 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.