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US

Dilation Catheter with Removable Bulb Tip

US 12,121,686 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Oct 19, 2026 (Bank of America).

Term ends Sep 14, 2039 · High confidence

Filed Jan 21, 2022 as application 17/580,729 · Granted Oct 22, 2024
Base term plus 463 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2018 2039
Clock starts
Jun 8, 2018
Term ends
Sep 14, 2039
Granted
Oct 22, 2024
base term patent term adjustment Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
463
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
9
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 463 days past its 20-year base term on prosecution delay. 0 of 3 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jun 8, 2018, when application 16/003,178, the earliest non-provisional in its chain, was filed (this one was filed Jan 21, 2022)Jun 8, 2038High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+463 days, USPTO patent term adjustment recordSep 14, 2039High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 14, 2039High confidence

This family

US 9,360,757In force
Aug 2034
Aug 2034
US 10,016,938In force
Jan 2034
Jan 2034
US 11,260,208In force
Nov 2039
Nov 2039
US 11,141,910In force
Jan 2034
Jan 2034
US 11,786,711In force
Jun 2035
Jun 2035
US 12,121,686this patent
Sep 2039
Sep 2039
US 12,151,073In force
Jan 2034
Jan 2034
Application 18/922,321Pending
not computed
not computed
8 of 9 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.
RecordedAssignorAssigneeConveyance
Jul 19, 2024
Reel 68035, frame 719
Palushi, Jetmir; Hamlekhan, Azhang; Thinnes, John H., JRAcclarent, Inc.Assignment of Assignor's Interest
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 AgentGrant 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 AgentGrant 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited