Also listed on Endoscopic Technologies, Inc. (Estech), an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jun 20, 2028 · High confidence
20-year base term ended Jul 13, 2025
Held by Atricure, Inc.
Filed Jul 13, 2005 as application 11/180,820 · Granted Feb 3, 2015
Base term plus 1073 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Jul 13, 2005
Jul 13, 2005
Term ends
Jun 20, 2028
Jun 20, 2028
Granted
Feb 3, 2015
Feb 3, 2015
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
1,073
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
2
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 1073 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 13, 2005, when this application, 11/180,820, was filed | Jul 13, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1073 days, USPTO patent term adjustment record | Jun 20, 2028 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 20, 2028 | High confidence |
This family
| US 8,945,151 | this patent Jun 2028 | Jun 2028 |
| US 10,758,243 | In force Jun 2027 | Jun 2027 |
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 13, 2005 Reel 16788, frame 438 | Salas, Allan | Boston Scientific Scimed, Inc. | Assignment of Assignor's Interest |
| Jun 5, 2012 Reel 28322, frame 163 | Boston Scientific Scimed, Inc. | Endoscopic Technologies, Inc. (Estech) | Assignment of Assignor's Interest |
| Apr 25, 2016 Reel 38520, frame 62 | Atricure, Inc.; Atricure, LLC; Endoscopic Technologies, LLC; Ncontact Surgical, LLC | Silicon Valley Bank | Second Amended and Restated Joint Intellectual Property Security Agreement |
| Dec 18, 2018 Reel 47951, frame 496 | Atricure, Inc.; Atricure, LLC; Endoscopic Technologies, LLC; Ncontact Surgical, LLC | Silicon Valley Bank | Security Interest |
| 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 75046, frame 201 | Endoscopic Technologies, Inc. (Estech) | 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 23, 2026 Reel 74153, frame 718 | 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 2028
Term ends Jun 20, 2028. No further fees fall due before then
Note
The 1073 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
290
later US patents cite this one
That is top 1% of utility patents granted in 2015 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.