Collateral for a security interest recorded Jan 10, 2024 (JPMorgan Chase Bank, N.A.).
Term ends Jun 23, 2029 · High confidence
20-year base term ends Jun 23, 2029
Filed Jul 26, 2023 as application 18/359,705 · Granted Dec 10, 2024
Base term, 20 years from filing
Today
2009
2029
Clock starts
Jun 23, 2009
Jun 23, 2009
Term ends
Jun 23, 2029
Jun 23, 2029
Granted
Dec 10, 2024
Dec 10, 2024
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,814,778, to Jun 23, 2029. The term already ends on or before that date, so the cap shortened nothing.
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.
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 23, 2009, when application 12/456,855, the earliest non-provisional in its chain, was filed (this one was filed Jul 26, 2023) | Jun 23, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,814,778) | resolves to Jun 23, 2029, no earlier than this term, so no change | 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 | Jun 23, 2029 | High confidence |
This family
| Application 12/456,855 | Abandoned not computed | not computed |
| US 8,814,778 | In force May 2030 | May 2030 |
| US 9,463,024 | In force Jun 2029 | Jun 2029 |
| US 10,278,704 | In force Jun 2029 | Jun 2029 |
| US 11,751,879 | In force Jun 2029 | Jun 2029 |
| US 12,161,342 | this patent Jun 2029 | Jun 2029 |
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 4, 2023 Reel 64498, frame 635 | Kiser, Andy C.; Landers, Mark Douglas | KL Medical LLC | Assignment of Assignor's Interest |
| Aug 4, 2023 Reel 64499, frame 12 | KL Medical LLC | Estech, Inc. (Endoscopic Technologies, Inc.) | Assignment of Assignor's Interest |
| Aug 4, 2023 Reel 64499, frame 756 | Endoscopic Technologies, Inc. | Atricure, Inc. | Assignment of Assignor's Interest |
| Jan 10, 2024 Reel 66267, frame 896 | Atricure, Inc.; Atricure, LLC. | JPMorgan Chase Bank, N.A., as Administrative Agent | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Jun 2029
Term ends Jun 23, 2029. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,814,778, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2024 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.