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US 11,353,892 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jun 7, 2026 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Jun 3, 2019 as application 16/429,842 · Granted Jun 7, 2022
Base term, 20 years from filing, plus 185 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 7, 2026
2016 2037
Clock starts
Oct 17, 2016
No longer in force
Jun 7, 2026
Granted
Jun 7, 2022
Term would have run to
Apr 20, 2037
base term patent term adjustment after the term ends 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
185
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,353,388, to Apr 20, 2037. The term already ends on or before that date, so the cap shortened nothing.
0 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.
4
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 20, 2037: its 20-year base term plus 185 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Oct 17, 2016, when application 15/295,995, the earliest non-provisional in its chain, was filed (this one was filed Jun 3, 2019)Oct 17, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+185 days, USPTO patent term adjustment recordApr 20, 2037High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,353,388)resolves to Apr 20, 2037, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed Jun 7, 2026High confidence
Computed term endThe steps above, in orderJun 7, 2026High confidence

This family

US 10,353,388In force
Jun 2037
Jun 2037
Application PCT/US2017/051998PCT application
no patent term
no patent term
US 11,353,892this patent
Jun 2026
Jun 2026
Application 17/825,295Abandoned
not computed
not computed
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
Aug 1, 2019
Reel 49935, frame 91
Schubert, Martin Friedrich; Grundmann, Michael Jason; Biffle, Clifford; Watson, Philip EdwinX Development LLCAssignment 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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