Term ends May 27, 2033 · High confidence
20-year base term ends Jun 30, 2029
Held by Konamite Limited
Filed Jun 28, 2019 as application 16/457,724 · Granted Oct 21, 2025
Base term plus 1427 days of patent term adjustment (USPTO delay)
Today
2009
2033
Clock starts
Jun 30, 2009
Jun 30, 2009
Term ends
May 27, 2033
May 27, 2033
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
1,427
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 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
3
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 1427 days past its 20-year base term on prosecution delay. 0 of 1 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 Jun 30, 2009, when application 12/495,238, the earliest non-provisional in its chain, was filed (this one was filed Jun 28, 2019) | Jun 30, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1427 days, USPTO patent term adjustment record | May 27, 2033 | 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 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 27, 2033 | High confidence |
This family
| US 10,376,213 | In force Sep 2033 | Sep 2033 |
| Application PCT/US2010/040484 | PCT application no patent term | no patent term |
| US 12,446,831 | this patent May 2033 | May 2033 |
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 |
|---|---|---|---|
| Jul 8, 2019 Reel 49691, frame 526 | Bruce, Robert; Kreitlow, David; Federiuk, Isaac; Polcin, Ryan; Slomski, Dennis; Ward, Eric; Resch, Mihai | Isense Corporation | Assignment of Assignor's Interest |
| Jul 8, 2019 Reel 49691, frame 596 | Isense Acquisition, LLC | Agamatrix, Inc. | Assignment of Assignor's Interest |
| Jul 8, 2019 Reel 49691, frame 650 | Agamatrix, Inc. | Waveform Technologies, Inc. | Assignment of Assignor's Interest |
| Apr 11, 2024 Reel 67073, frame 813 | Waveform Technologies, Inc.; Waveform Holdings, LLC | Konamite Limited | Assignment of Assignor's Interest |
| May 2, 2024 Reel 67304, frame 762 | Isense Corporation | Bayer Healthcare, LLC | Quitclaim Bill of Sale |
| May 2, 2024 Reel 67305, frame 11 | Bayer Healthcare, LLC | Isense Acquisition, LLC | Intellectual Property Assignment |
| Nov 14, 2024 Reel 69392, frame 545 | Isense Corporation | Bayer Healthcare, LLC | Quitclaim Bill of Sale |
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
May 2033
Term ends May 27, 2033. Maintenance fees still fall due before then
Note
The 1427 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.