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Illuminated Cannula

US 9,504,373 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Jul 21, 2026 · Medium confidence

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

Filed Mar 28, 2014 as application 14/229,528 · Granted Nov 29, 2016
Base term plus 109 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Jul 21, 2026
2006 2026
Clock starts
Apr 3, 2006
Term ended
Jul 21, 2026
Granted
Nov 29, 2016
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
109
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
15
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 109 days past its 20-year base term on prosecution delay. 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 Apr 3, 2006, when application 11/397,446, the earliest non-provisional in its chain, was filed (this one was filed Mar 28, 2014); a parent in its chain could not be resolved (the next row)Apr 3, 2026High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+109 days, USPTO patent term adjustment recordJul 21, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderJul 21, 2026Medium confidence

This family

US 7,510,524Term ended
Apr 2026
Apr 2026
Application PCT/US2006/013029PCT application
no patent term
no patent term
US 7,901,353In force
Dec 2028
Dec 2028
US 9,005,115In force
May 2029
May 2029
US 8,162,824Lapsed on the fee record
Apr 2024
Apr 2024
US 8,708,896Lapsed on the fee record
Apr 2026
Apr 2026
US 9,072,455Lapsed on the fee record
Jul 2023
Jul 2023
US 9,504,373this patent
Jul 2026
Jul 2026
8 of 15 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 28, 2014
Reel 32555, frame 462
Vayser, Alex; Trauner, Kenneth B.; Gasson, Jonathan G.; Grey, Thomas L.Spotlight Surgical, Inc.Assignment of Assignor's Interest
Mar 28, 2014
Reel 32559, frame 923
Spotlight Surgical, Inc.Invuity, Inc.Change of Name
Jun 3, 2015
Reel 35819, frame 943
Invuity, Inc.Invuity, Inc.Merger
Jul 31, 2015
Reel 36229, frame 990
Invuity, Inc.Healthcare Royalty Partners II, L.P.Security Interest
Mar 17, 2017
Reel 42035, frame 801
Healthcare Royalty Partners II, L.P.Invuity, Inc.Release of Security Interest
Mar 21, 2017
Reel 42052, frame 834
Invuity, Inc.Midcap Financial Trust, As AgentSecurity Interest (Revolving Loan)
Mar 21, 2017
Reel 42053, frame 284
Invuity, Inc.Midcap Financial Trust, As AgentSecurity Interest (TERM Loan)
Oct 23, 2018
Reel 47719, frame 34
Midcap Financial Trust, As AgentInvuity, Inc.Release of Security Interest
Sep 21, 2026
Reel 76513, frame 803
Invuity, Inc.Stryker CorporationAssignment 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.

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