The Patent Finder
US

Expandable Interbody Device

US 11,938,036 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jul 19, 2035 · High confidence

Filed Apr 2, 2020 as application 16/838,860 · Granted Mar 26, 2024
Base term plus 368 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2035
Clock starts
Jul 16, 2014
Term ends
Jul 19, 2035
Granted
Mar 26, 2024
base term patent term adjustment 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
368
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
4
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 runs 368 days past its 20-year base term on prosecution delay. 0 of 2 maintenance fees are paid so far. 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 Jul 16, 2014, when application 14/333,336, the earliest non-provisional in its chain, was filed (this one was filed Apr 2, 2020)Jul 16, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+368 days, USPTO patent term adjustment recordJul 19, 2035High 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 orderJul 19, 2035High confidence

This family

US 9,668,876In force
Aug 2035
Aug 2035
US 10,034,765In force
Jul 2034
Jul 2034
US 10,646,351In force
Aug 2034
Aug 2034
US 11,938,036this patent
Jul 2035
Jul 2035
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
May 31, 2024
Reel 67596, frame 295
Spinal Elements, Inc.; Custom Spine Acquisition, Inc.; Omni Acquisition Inc.Perceptive Credit Holdings IV, LPSecurity 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