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Hyperspectral technology for assessing and treating diabetic foot and tissue disease

US 8,971,984 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Mar 3, 2023 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Aug 21, 2006 as application 11/507,043 · Granted Mar 3, 2015
Base term, 20 years from filing, plus 1249 days of patent term adjustment (USPTO delay)
Today
Lapsed Mar 3, 2023
2006 2029
Clock starts
Apr 4, 2006
No longer in force
Mar 3, 2023
Granted
Mar 3, 2015
Term would have run to
Sep 4, 2029
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
1,249
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 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.

Its term would have run to Sep 4, 2029: its 20-year base term plus 1249 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 Apr 4, 2006, when application 11/396,941, the earliest non-provisional in its chain, was filed (this one was filed Aug 21, 2006)Apr 4, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1249 days, USPTO patent term adjustment recordSep 4, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Mar 3, 2023High confidence
Computed term endThe steps above, in orderMar 3, 2023High confidence

This family

US 8,320,996In force
no later than May 2029
no later than May 2029
US 8,374,682Lapsed on the fee record
Feb 2025
Feb 2025
US 8,971,984this patent
Mar 2023
Mar 2023
US 10,321,869In force
Dec 2026
Dec 2026
US 10,028,676Lapsed on the fee record
Jul 2026
Jul 2026
Application 16/040,265Abandoned
not computed
not computed
6 of 8 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
Oct 17, 2006
Reel 18403, frame 916
Freeman, Jenny E.; Panasyuk, Svetlana V.; Hopmeier, Michael J.; Brand, Derek; Schomacker, KevinHypermed, Inc.Assignment of Assignor's Interest
Jan 16, 2013
Reel 29644, frame 434
Hypermed, Inc.Hypermed Imaging, 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.

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