The Patent Finder
US

Orthotic and Prosthetic Device and Manufacturing System and Method

US 12,594,173 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Oct 25, 2024 (Barclays Bank PLC).

Term ends Feb 1, 2037 · Medium confidence

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

Held by Hanger, Inc.
Filed Mar 4, 2024 as application 18/594,940 · Granted Apr 7, 2026
Base term, 20 years from filing
Today
20 years from filing
2017 2037
Clock starts
Feb 1, 2017
Term ends
Feb 1, 2037
Granted
Apr 7, 2026
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
14
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 is its 20-year base term, with no adjustment for prosecution delay. 0 of 2 maintenance fees are paid so far. 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 1, 2017, when application PCT/US2017/015981, the earliest non-provisional in its chain, was filed (this one was filed Mar 4, 2024); a parent in its chain could not be resolved (the next row)Feb 1, 2037High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 1, 2037Medium confidence

This family

Application PCT/US2017/015981PCT application
no patent term
no patent term
US 11,058,557In force
May 2037
May 2037
US 12,150,870In force
Jan 2039
Jan 2039
Application 17/547,500Abandoned
not computed
not computed
US 12,714,581In force
Sep 2042
Sep 2042
Application PCT/US2023/032048PCT application
no patent term
no patent term
Application PCT/US2023/036863PCT application
no patent term
no patent term
US 12,594,173this patent
Feb 2037
Feb 2037
8 of 14 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
Mar 18, 2024
Reel 66805, frame 779
Tompkins, Michael E.; Dias, AntonioHanger, Inc.Assignment of Assignor's Interest
Oct 25, 2024
Reel 69016, frame 80
Hanger, Inc.Barclays Bank PLC, as Collateral AgentSecurity 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