Term ended Apr 5, 2024 · High confidence
20-year base term ended Oct 15, 2022
Held by Endoscopic Technologies, LLC
Filed Nov 12, 2004 as application 10/988,021 · Granted Jul 15, 2008
Base term plus 538 days of patent term adjustment (USPTO delay)
Today
Term ended Apr 5, 2024
2002
2026
Clock starts
Oct 15, 2002
Oct 15, 2002
Term ended
Apr 5, 2024
Apr 5, 2024
Granted
Jul 15, 2008
Jul 15, 2008
base term
patent term adjustment
after the term ends
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
538
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.
44
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 538 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 15, 2002, when application 10/272,446, the earliest non-provisional in its chain, was filed (this one was filed Nov 12, 2004) | Oct 15, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +538 days, USPTO patent term adjustment record | Apr 5, 2024 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Apr 5, 2024 | High confidence |
This family
| US 6,893,442 | Term ended Jun 2022 | Jun 2022 |
| US 6,849,075 | Term ended Feb 2023 | Feb 2023 |
| US 7,226,448 | Term ended Aug 2023 | Aug 2023 |
| US 7,063,698 | Term ended Jun 2022 | Jun 2022 |
| Application PCT/US2004/011251 | PCT application no patent term | no patent term |
| US 7,399,300 | this patent Apr 2024 | Apr 2024 |
| US 7,410,487 | Term ended Jun 2022 | Jun 2022 |
| US 7,819,867 | In force Nov 2026 | Nov 2026 |
8 of 44 applications in this family shown, earliest filings first. 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 21, 2005 Reel 16378, frame 215 | Bertolero, Arthur A.; Ibrahim, Tamer | Endoscopic Technologies, Inc. | Assignment of Assignor's Interest |
| Jun 11, 2008 Reel 21076, frame 248 | Endoscopic Technologies, Inc. | Silicon Valley Bank; Oxford Finance Corporation | Security Agreement |
| Jun 11, 2008 reel/frame not recorded | Endoscopic Technologies, Inc. | Silicon Valley Bank | Security Agreement |
| Jun 11, 2008 reel/frame not recorded | Endoscopic Technologies, Inc. | Oxford Finance Corporation | Security Agreement |
| Jun 19, 2008 Reel 21118, frame 539 | Endoscopic Technologies, Inc. | Saints Capital Vi, L.p. | Security Agreement |
| Sep 30, 2008 Reel 21603, frame 209 | Saints Capital Vi, L.p. | Endoscopic Technologies, Inc. | Release of Security Interest |
| Dec 1, 2009 Reel 23586, frame 251 | Oxford Finance Corporation | Endoscopic Technologies, Inc. | Release of Security Interest |
| Jan 3, 2012 Reel 27468, frame 759 | Endoscopic Technologies, Inc. | NXT Capital, LLC, Its Successors and Assigns | Security Agreement |
| Feb 29, 2012 Reel 27786, frame 529 | NXT Capital, LLC | NXT Capital SBIC, LP, Its Successors and Assigns | Assignment of Security Interest |
| Mar 27, 2013 Reel 30097, frame 652 | NXT Capital SBIC, LP | Endoscopic Technologies, Inc. | Release of Security Interest |
| Apr 1, 2013 Reel 30127, frame 554 | Silicon Valley Bank | Endoscopic Technologies, Inc. | Release of Security Interest |
| May 2, 2014 Reel 32812, frame 32 | Atricure, Inc.; Atricure, LLC; Endoscopic Technologies, LLC | Silicon Valley Bank | Security Interest |
| Mar 11, 2016 Reel 38315, frame 335 | Endoscopic Technologies, LLC | Atricure, Inc. | 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 |
| Jan 28, 2026 Reel 73620, frame 158 | Endoscopic Technologies, Inc.; Niners Merger Sub, LLC | Endoscopic Technologies, LLC | Merger and Change of Name |
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
Note
The 538 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
78
later US patents cite this one
That is top 10% of utility patents granted in 2008 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.