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US

Method for Operating a Surgial Stapling and Cutting Device

US 8,920,435 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Syntheon, LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Nov 25, 2026 · Medium confidence

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

Filed Sep 9, 2011 as application 13/228,933 · Granted Dec 30, 2014
Base term plus 124 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2026
Clock starts
Jul 24, 2006
Term ends
Nov 25, 2026
Granted
Dec 30, 2014
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
124
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.
68
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 124 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 24, 2006, when application 11/491,626, the earliest non-provisional in its chain, was filed (this one was filed Sep 9, 2011); a parent in its chain could not be resolved (the next row)Jul 24, 2026High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+124 days, USPTO patent term adjustment recordNov 25, 2026High 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 orderNov 25, 2026Medium confidence

This family

US 8,579,176In force
Feb 2030
Feb 2030
Application PCT/US2006/028752PCT application
no patent term
no patent term
Application 11/541,105Abandoned
not computed
not computed
US 7,404,508Term ended
no later than Jul 2026
no later than Jul 2026
US 7,936,210Lapsed on the fee record
May 2023
May 2023
US 8,028,885In force
Feb 2027
Feb 2027
US 8,573,462In force
Apr 2030
Apr 2030
US 8,038,046In force
Jul 2027
Jul 2027
8 of 68 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
Dec 19, 2011
Reel 27408, frame 720
Smith, Kevin W.; Palmer, Matthew A.; Kline, Korey R.; Deville, Derek DeeSyntheon, LLCAssignment of Assignor's Interest
Jan 4, 2012
Reel 27477, frame 498
Syntheon, LLCEthicon Endo-Surgery, Inc.Assignment of Assignor's Interest
Dec 6, 2015
Reel 37220, frame 212
Ethicon Endo-Surgery, Inc.Ethicon Endo-Surgery, LLCAssignment of Assignor's Interest
Feb 28, 2017
Reel 41825, frame 651
Ethicon Endo-Surgery, LLCEthicon LLCChange of Name
Apr 27, 2021
Reel 56601, frame 339
Ethicon LLCCilag GmbH InternationalAssignment 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.

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