Term ends Jun 23, 2029 · High confidence
20-year base term ends Jun 23, 2029
Held by Atricure, Inc.
Filed Mar 28, 2019 as application 16/368,229 · Granted Sep 12, 2023
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
Sep 12, 2023
Sep 12, 2023
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 10,278,704, 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 Mar 28, 2019) | 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 10,278,704, 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 | this patent Jun 2029 | Jun 2029 |
| US 12,161,342 | In force 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 |
|---|---|---|---|
| Mar 28, 2019 Reel 48731, frame 61 | Kiser, Andy C.; Landers, Mark Douglas | KL Medical LLC | Assignment of Assignor's Interest |
| Mar 28, 2019 Reel 48731, frame 164 | KL Medical LLC | Estech, Inc. (Endoscopic Technologies, Inc.) | Assignment of Assignor's Interest |
| Feb 5, 2021 Reel 55229, frame 400 | Atricure, Inc.; Atricure, LLC; Endoscopic Technologies, LLC; Ncontact Surgical, LLC; Sentreheart, LLC | Silicon Valley Bank | Supplement to Intellectual Property Security Agreements |
| Jan 10, 2024 Reel 66256, frame 797 | Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company | Atricure, Inc.; Atricure, LLC; Endoscopic Technologies, LLC; Ncontact Surgical, LLC; Sentreheart LLC | Release of Security Interest |
| Jan 10, 2024 Reel 66267, frame 896 | Atricure, Inc.; Atricure, LLC. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Jan 10, 2024 reel/frame not recorded | Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company | Atricure, Inc. | Release of Security Interest |
| Jan 10, 2024 reel/frame not recorded | Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company | Atricure, LLC | Release of Security Interest |
| Jan 10, 2024 reel/frame not recorded | Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company | Endoscopic Technologies, LLC | Release of Security Interest |
| Jan 10, 2024 reel/frame not recorded | Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company | Ncontact Surgical, LLC | Release of Security Interest |
| Jan 10, 2024 reel/frame not recorded | Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company | Sentreheart LLC | Release of Security Interest |
| Mar 5, 2026 Reel 73988, frame 670 | Endoscopic Technologies, Inc. | Atricure, Inc. | Merger |
| Mar 5, 2026 Reel 75048, frame 666 | Estech, Inc. (Endoscopic Technologies, Inc.) | Endoscopic Technologies, Inc. | Change of Name |
| Mar 17, 2026 Reel 75891, frame 585 | Endoscopic Technologies, Inc. | Endoscopic Technologies, LLC | Corrective Assignment to Correct the Assignee Previously Recorded on Reel 73988 Frame 670. Assignor(S) Hereby Confirms the Merger. |
| Mar 17, 2026 Reel 74104, frame 407 | Endoscopic Technologies, LLC | Atricure, Inc. | 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
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 10,278,704, US 8,814,778, ends no earlier than this term, so it caps nothing.
Citations
4
later US patents cite this one
That is top 25% of utility patents granted in 2023 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.