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US

Contactless Card That Receives Power from Host Device

US 8,410,936 In force
OverviewFamilyAssignmentsSources & methods

Term ends Aug 8, 2028 · High confidence

Held by Icashe, Inc.
Filed Dec 5, 2011 as application 13/311,247 · Granted Apr 2, 2013
Base term, 20 years from filing
Today
20 years from filing
2008 2028
Clock starts
Aug 8, 2008
Term ends
Aug 8, 2028
Granted
Apr 2, 2013
base term 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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,961,101, US 8,072,331, to Aug 8, 2028. The term already ends on or before that date, so the cap shortened nothing.
3 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.
19
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees are recorded paid; no more fees are due. 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 Aug 8, 2008, when application 12/188,346, the earliest non-provisional in its chain, was filed (this one was filed Dec 5, 2011)Aug 8, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,961,101, US 8,072,331)resolves to Aug 8, 2028, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 8, 2028High confidence

This family

US 7,961,101In force
Apr 2029
Apr 2029
US 8,451,122In force
Mar 2029
Mar 2029
US 8,072,331In force
Aug 2028
Aug 2028
US 8,410,936this patent
Aug 2028
Aug 2028
US 8,814,053In force
Aug 2028
Aug 2028
US 8,866,614In force
Aug 2028
Aug 2028
US 8,937,549In force
Aug 2028
Aug 2028
US 9,122,965In force
Aug 2028
Aug 2028
8 of 19 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 17, 2014
Reel 32454, frame 733
Narendra, Siva G; Tadepalli, Prabhakar; Chakraborty, SauravTyfone, Inc.Assignment of Assignor's Interest
May 15, 2015
Reel 35685, frame 760
Tyfone, Inc.RPX CorporationSecurity Interest
Aug 4, 2020
Reel 53396, frame 443
RPX CorporationTyfone, Inc.Release of Security Interest
Oct 1, 2020
Reel 53965, frame 413
Tyfone, Inc.Icashe, 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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