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Biomaterial

US 8,772,429 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 8, 2026 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Dec 17, 2010 as application 12/971,384 · Granted Jul 8, 2014
Base term, 20 years from filing, plus 315 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 8, 2026
2010 2031
Clock starts
Dec 17, 2010
No longer in force
Jul 8, 2026
Granted
Jul 8, 2014
Term would have run to
Oct 28, 2031
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
315
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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 Oct 28, 2031: its 20-year base term plus 315 days of term 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 Dec 17, 2010, when this application, 12/971,384, was filedDec 17, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+315 days, USPTO patent term adjustment recordOct 28, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Jul 8, 2026High confidence
Computed term endThe steps above, in orderJul 8, 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 8,772,429this patent
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 8,673,020Lapsed on the fee record
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 6, 2011
Reel 25596, frame 284
Behan, NiallVysera 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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