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US

Retractor Illumination System

US 8,409,088 In force
OverviewFamilyAssignmentsSources & methods

Term ends May 5, 2029 · High confidence

Filed Jan 17, 2007 as application 11/654,874 · Granted Apr 2, 2013
Base term plus 839 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2029
Clock starts
Jan 17, 2007
Term ends
May 5, 2029
Granted
Apr 2, 2013
base term patent term adjustment 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
839
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
6
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 839 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jan 17, 2007, when this application, 11/654,874, was filedJan 17, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+839 days, USPTO patent term adjustment recordMay 5, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 5, 2029High confidence

This family

US 8,409,088this patent
May 2029
May 2029
Application PCT/US2007/001385PCT application
no patent term
no patent term
US 9,271,709In force
Jan 2027
Jan 2027
US 9,055,935In force
Jan 2027
Jan 2027
US 9,271,710In force
Jan 2027
Jan 2027
US 9,844,364In force
Jan 2027
Jan 2027
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
May 14, 2007
Reel 19326, frame 751
Grey, Thomas; Vayser, Alex; Gasson, JonSpotlight Surgical, Inc.Assignment of Assignor's Interest
Dec 3, 2008
Reel 21923, frame 103
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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