Collateral for a security interest recorded Oct 19, 2026 (Bank of America).
Term ended Sep 27, 2025 · High confidence
20-year base term ended Apr 21, 2024
Held by Acclarent, Inc.
Filed Apr 21, 2004 as application 10/829,917 · Granted Feb 2, 2010
Base term plus 1264 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Sep 27, 2025
2004
2026
Clock starts
Apr 21, 2004
Apr 21, 2004
Term ended
Sep 27, 2025
Sep 27, 2025
Granted
Feb 2, 2010
Feb 2, 2010
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
1,264
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,462,175.
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.
78
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 1264 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Apr 21, 2004, when this application, 10/829,917, was filed | Apr 21, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1264 days, USPTO patent term adjustment record | Oct 7, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,462,175) | capped to Sep 27, 2025 | 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 | Sep 27, 2025 | High confidence |
This family
| US 7,654,997 | this patent Sep 2025 | Sep 2025 |
| US 7,361,168 | Term ended no later than Aug 2025 | no later than Aug 2025 |
| Application 10/944,270 | Abandoned not computed | not computed |
| US 7,462,175 | Term ended Sep 2025 | Sep 2025 |
| US 7,720,521 | In force Mar 2028 | Mar 2028 |
| US 7,803,150 | In force Apr 2028 | Apr 2028 |
| Application 11/193,020 | Abandoned not computed | not computed |
| US 7,410,480 | Term ended Sep 2024 | Sep 2024 |
8 of 78 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 |
|---|---|---|---|
| Sep 7, 2004 Reel 15773, frame 955 | Makower, Joshua; Chang, John Y. | Exploramed II, Inc. | Assignment of Assignor's Interest |
| Jan 24, 2005 Reel 16167, frame 641 | Exploramed II, Inc. | Exploramed NC1, Inc. | Assignment of Assignor's Interest |
| Sep 19, 2005 Reel 17004, frame 584 | Lamson, Theodore Charles; Makower, Joshua; Catanese Iii, Joseph; Welch, Jacaqueline Nerney; Walke, Amrish Jayprakash; Vidal, Claud; Redmond, Russell J.; Collinson, Michael | Exploramed NC2, Inc. | Assignment of Assignor's Interest |
| Jul 2, 2013 Reel 30745, frame 678 | Exploramed NC1, Inc. | Acclarent, Inc. | Change of Name |
| Oct 19, 2026 Reel 76710, frame 116 | Acclarent, Inc.; Acell, Inc.; Confluent Surgical, Inc.; Integra Lifesciences Braintree Inc.; Integra Lifesciences Corporation; Surgical Innovation Associates, Inc. | Bank Of America, As Administrative Agent | Grant of Patent Security Interest |
| Oct 20, 2026 Reel 76737, frame 399 | Acclarent, Inc.; Acell, Inc.; Confluent Surgical, Inc.; Integra Lifesciences Braintree Inc.; Integra Lifesciences Corporation; Surgical Innovation Associates, Inc. | Truist Bank, as Notes Collateral Agent | Grant of Patent 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.
What's changing
Note
The 1264 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,462,175.
Citations
881
later US patents cite this one
That is top 1% of utility patents granted in 2010 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.