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Surgical Access System and Related Methods

US 7,892,173 Term ended
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Nov 16, 2016 (Bank of America, N.A.).

Term ended Feb 27, 2024 · High confidence

Filed Dec 7, 2009 as application 12/632,373 · Granted Feb 22, 2011
Base term, 20 years from filing
Today
20 years from filing
Term ended Feb 27, 2024
2004 2026
Clock starts
Feb 27, 2004
Term ended
Feb 27, 2024
Granted
Feb 22, 2011
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,691,057, to Feb 27, 2024. The term already ends on or before that date, so the cap shortened nothing.
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.
8
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees were paid, so no fee lapse ended it. 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 Feb 27, 2004, when application 10/789,797, the earliest non-provisional in its chain, was filed (this one was filed Dec 7, 2009)Feb 27, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,691,057)resolves to Feb 27, 2024, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderFeb 27, 2024High confidence

This family

US 7,819,801In force
Sep 2028
Sep 2028
US 7,892,173this patent
Feb 2024
Feb 2024
US 8,303,498Term ended
Aug 2024
Aug 2024
US 8,550,994Term ended
Jan 2024
Jan 2024
US 8,696,559Term ended
Jan 2024
Jan 2024
US 9,468,405Term ended
Jan 2025
Jan 2025
Application 15/284,797Abandoned
not computed
not computed
US 11,219,437Term ended
Jan 2025
Jan 2025
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
Dec 14, 2009
Reel 23647, frame 664
Miles, Patrick; Martinelli, Scot; Finley, Eric; Gharib, James; Farquhar, Allen; Kaula, Norbert F.; Goretti Medeiros, Executor for Jeffrey J. Blewett (Deceased)NuVasive, Inc.Assignment of Assignor's Interest
Nov 16, 2016
Reel 40634, frame 404
NuVasive, Inc.; Impulse Monitoring, Inc.Bank of America, N.A., as Administrative AgentNotice of Grant of Security Interest in Patents
May 17, 2017
Reel 42490, frame 236
NuVasive, Inc.; Biotronic National, LLC; NuVasive Clinical Services Monitoring, Inc.; NuVasive Clinical Services, Inc.; NuVasive Specialized Orthopedics, Inc.Bank of America, N.A., as Administrative AgentNotice of Grant of Security Interest in Patents
Feb 28, 2020
Reel 52918, frame 595
NuVasive, Inc.; NuVasive Clinical Services Monitoring, Inc.; NuVasive Clinical Services, Inc.; NuVasive Specialized Orthopedics, Inc.Bank of America, N.A., as Administrative AgentSecurity 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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