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Esophageal Valve Device for Placing in the Cardia

US 8,673,020 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Mar 18, 2026 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Jul 20, 2012 as application 13/554,666 · Granted Mar 18, 2014
Base term, 20 years from filing
Today
Lapsed Mar 18, 2026
2009 2029
Clock starts
Jun 19, 2009
No longer in force
Mar 18, 2026
Granted
Mar 18, 2014
Term would have run to
Jun 19, 2029
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
23
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 Jun 19, 2029: its 20-year base term, with no adjustment for prosecution delay. 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 Jun 19, 2009, when application 12/488,037, the earliest non-provisional in its chain, was filed (this one was filed Jul 20, 2012)Jun 19, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Mar 18, 2026High confidence
Computed term endThe steps above, in orderMar 18, 2026High confidence

This family

US 8,500,821Lapsed on the fee record
Aug 2025
Aug 2025
US 7,932,343In force
Aug 2029
Aug 2029
US 8,029,557Lapsed on the fee record
Oct 2023
Oct 2023
US 8,876,800In force
Apr 2031
Apr 2031
US 8,772,429Lapsed on the fee record
Jul 2026
Jul 2026
US 8,536,293Lapsed on the fee record
Sep 2025
Sep 2025
US 8,992,410In force
Oct 2031
Oct 2031
US 8,673,020this patent
Mar 2026
Mar 2026
8 of 23 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
Jan 27, 2014
Reel 32053, frame 71
Sobrino-serrano, Gabriel; Behan, Niall; O'halloran, AnthonyVysera Biomedical LimitedAssignment of Assignor's Interest
Mar 8, 2016
Reel 37917, frame 992
Vysera Biomedical LimitedColoplast A/SAssignment of Assignor's Interest
Mar 10, 2016
Reel 38053, frame 797
Vysera Biomedical LimitedColoplast A/SCorrective Assignment to Correct the City of the Assignee Previously Recorded on Reel 037917 Frame 0992. Assignor(S) Hereby Confirms the Assignment.
Mar 17, 2016
Reel 38131, frame 12
Vysera Biomedical LimitedColoplast A/SCorrective Assignment to Correct the City of the Assignee from Humelbaek to Humlebaek as Correctly Indicated on the Assignment Previously Recorded on Reel 037917 Frame 0992. Assignor(S) Hereby Confirms the Assignee's City to Be Humlebaek.

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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