The Patent Finder
US

Electrosurgical Device with Improved Visibility

US 7,593,778 Term ended
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Apr 6, 2015 (Morgan Stanley Senior Funding, Inc.).

Term ended Mar 7, 2023 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Held by Avent, Inc.
Filed Mar 15, 2005 as application 11/079,318 · Granted Sep 22, 2009
Base term, 20 years from filing
Today
20 years from filing
Term ended Mar 7, 2023
2003 2026
Clock starts
Mar 7, 2003
Term ended
Mar 7, 2023
Granted
Sep 22, 2009
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
40
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. All three maintenance fees were paid, so no fee lapse ended it. Confidence: Medium. 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 Mar 7, 2003, when application 10/382,836, the earliest non-provisional in its chain, was filed (this one was filed Mar 15, 2005); a parent in its chain could not be resolved (the next row)Mar 7, 2023High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderMar 7, 2023Medium confidence

This family

US 6,896,675Term ended
Mar 2022
Mar 2022
Application 10/382,836Abandoned
not computed
not computed
Application 10/853,126Abandoned
not computed
not computed
US 7,163,536Term ended
Jan 2025
Jan 2025
US 7,593,778this patent
Mar 2023
Mar 2023
US 8,882,755Term ended
Jul 2023
Jul 2023
Application 11/105,490Abandoned
not computed
not computed
US 7,294,127Term ended
Nov 2022
Nov 2022
8 of 40 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
Mar 15, 2005
Reel 16390, frame 621
Chandran, Subashini; Shah, KrishanBaylis Medical Company Inc.Assignment of Assignor's Interest
Feb 10, 2010
Reel 23915, frame 252
Baylis Medical Company Inc.Kimberly-Clark Inc.Assignment of Assignor's Interest
Dec 16, 2014
Reel 34515, frame 310
Kimberly-Clark Inc.Avent Inc.Assignment of Assignor's Interest
Jan 13, 2015
Reel 34754, frame 1
Kimberly-Clark Worldwide, Inc.Avent, Inc.Assignment of Assignor's Interest
Apr 6, 2015
Reel 35375, frame 867
Avent, Inc.Morgan Stanley Senior Funding, Inc.Security Interest
Jan 23, 2019
Reel 48173, frame 137
Morgan Stanley Senior Funding, Inc.Citibank, N.a.Intellectual Property Security Interest Assignment Agreement
Jun 24, 2022
Reel 60441, frame 445
Avent, Inc.JPMorgan Chase Bank, N.A., as Administrative AgentSecurity Interest
Jun 30, 2022
Reel 60557, frame 62
Citibank, N.a.Avent, Inc.; Avanos Medical Sales, LLCRelease of Security Interest
Jun 30, 2022
reel/frame not recorded
Citibank, N.a.Avent, Inc.Release of Security Interest
Jun 30, 2022
reel/frame not recorded
Citibank, N.a.Avanos Medical Sales, LLCRelease of Security Interest
Jul 28, 2026
Reel 76077, frame 108
JPMorgan Chase Bank, N.A., as Administrative AgentAvent, Inc.; Avanos Medical Sales, LLCRelease of Security Interest
Jul 28, 2026
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentAvent, Inc.Release of Security Interest
Jul 28, 2026
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentAvanos Medical Sales, LLCRelease of 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 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited