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US

Illuminated Cannula

US 8,708,896 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 29, 2026 on the fee record · Medium confidence

Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.

Third maintenance fee unpaid; grace period ended.

Filed Feb 1, 2011 as application 13/019,198 · Granted Apr 29, 2014
Base term, 20 years from filing, plus 374 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 29, 2026
2006 2027
Clock starts
Apr 3, 2006
No longer in force
Apr 29, 2026
Granted
Apr 29, 2014
Term would have run to
Apr 12, 2027
base term patent term adjustment after the term ends fee events 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
374
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
2 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.
15
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Apr 12, 2027: its 20-year base term plus 374 days of term adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 Feb 1, 2011)Apr 3, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+374 days, USPTO patent term adjustment recordApr 12, 2027High confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Apr 29, 2026High confidence
Computed term endThe steps above, in orderApr 29, 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 8,708,896this patent
Apr 2026
Apr 2026
US 9,072,455Lapsed on the fee record
Jul 2023
Jul 2023
US 9,504,373Term ended
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 14, 2011
Reel 25950, frame 338
Vayser, Alex; Trauner, Kenneth C.; Gasson, Jonathan G.; Grey, Thomas L.Spotlight Surgical, Inc.Assignment of Assignor's Interest
Feb 21, 2013
Reel 29854, frame 244
Vayser, Alex; Trauner, Kenneth B.; Gasson, Jonathan G.; Grey, Thomas L.Spotlight Surgical, Inc.Corrective Assignment to Correct the Name of Inventor Kenneth C. Trauner on the Assignment Previously Recorded on March 14, 2011 Previously Recorded on Reel 025950 Frame 0338. Assignor(S) Hereby Confirms the Correct Name of the Inventor Is Kenneth B. Trauner.
Feb 21, 2013
Reel 29854, frame 255
Spotlight Surgical, Inc.Invuity, Inc.Change of Name
Feb 28, 2014
Reel 32372, frame 240
Invuity, Inc.Healthcare Royalty Partners II, L.P.Security Agreement
Jun 3, 2015
Reel 35819, frame 943
Invuity, Inc.Invuity, Inc.Merger
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

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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