Term ends Dec 6, 2034 · High confidence
20-year base term ends Oct 28, 2034
Held by Bayer Healthcare LLC
Filed Jul 7, 2017 as application 15/644,214 · Granted Apr 2, 2019
Base term plus 39 days of patent term adjustment (USPTO delay)
Today
2014
2034
Clock starts
Oct 28, 2014
Oct 28, 2014
Term ends
Dec 6, 2034
Dec 6, 2034
Granted
Apr 2, 2019
Apr 2, 2019
base term
patent term adjustment
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
39
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
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 39 days past its 20-year base term on prosecution delay. 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 Oct 28, 2014, when application 14/526,294, the earliest non-provisional in its chain, was filed (this one was filed Jul 7, 2017) | Oct 28, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +39 days, USPTO patent term adjustment record | Dec 6, 2034 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 6, 2034 | 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 | this patent Dec 2034 | Dec 2034 |
| US 11,419,977 | In force Sep 2036 | Sep 2036 |
| US 12,447,271 | In force 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 |
|---|---|---|---|
| Oct 9, 2017 Reel 43814, frame 664 | Tucker, Barry L.; Cowan, Kevin P.; Uber, Arthur E., III; Spohn, Michael A.; Rhinehart, Edward J. | Bayer Medical Care Inc. | Assignment of Assignor's Interest |
| Nov 19, 2018 Reel 47547, frame 801 | 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
Dec 2034
Term ends Dec 6, 2034. Maintenance fees still fall due before then
Note
The 39 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
That is below the median of utility patents granted in 2019 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.