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Synthetic structure for soft tissue repair

US 9,820,847 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Nov 21, 2025 on the fee record · Medium confidence

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

Second maintenance fee unpaid; grace period ended.

Filed Aug 17, 2007 as application 11/893,802 · Granted Nov 21, 2017
Base term, 20 years from filing, plus 790 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 21, 2025
2006 2028
Clock starts
Feb 21, 2006
No longer in force
Nov 21, 2025
Granted
Nov 21, 2017
Term would have run to
Apr 21, 2028
base term patent term adjustment 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
790
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
7
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 Apr 21, 2028: its 20-year base term plus 790 days of term adjustment for prosecution delay. 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 Feb 21, 2006, when application PCT/US2006/005946, the earliest non-provisional in its chain, was filed (this one was filed Aug 17, 2007); a parent in its chain could not be resolved (the next row)Feb 21, 2026High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+790 days, USPTO patent term adjustment recordApr 21, 2028High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidlapsed Nov 21, 2025High confidence
Computed term endThe steps above, in orderNov 21, 2025Medium confidence

This family

US 7,935,363In force
Jul 2027
Jul 2027
US 9,820,847this patent
Nov 2025
Nov 2025
US 8,574,620Lapsed on the fee record
Nov 2025
Nov 2025
US 8,808,730Lapsed on the fee record
Aug 2026
Aug 2026
US 9,216,194In force
Dec 2026
Dec 2026
Application 14/978,585Abandoned
not computed
not computed
6 of 7 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
Nov 9, 2007
Reel 20111, frame 272
Ratcliffe, Anthony; Kern, AndreasSynthasome Inc.Assignment 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