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US

Portable Monitoring Devices and Methods of Operating Same

US 8,311,770 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 8, 2031 · High confidence

Held by Fitbit, Inc.
Filed May 10, 2012 as application 13/469,033 · Granted Nov 13, 2012
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Jun 8, 2011
Term ends
Jun 8, 2031
Granted
Nov 13, 2012
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.
None
Terminal disclaimer
No disclaimer on this record.
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.
132
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. 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 Jun 8, 2011, when application 13/156,304, the earliest non-provisional in its chain, was filed (this one was filed May 10, 2012)Jun 8, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 8, 2031High confidence

This family

US 9,167,991In force
Sep 2031
Sep 2031
Application 13/167,742Abandoned
not computed
not computed
US 8,180,591In force
Jun 2031
Jun 2031
US 8,180,592In force
Jun 2031
Jun 2031
US 8,386,008In force
Jun 2031
Jun 2031
US 8,311,769In force
Jun 2031
Jun 2031
US 8,311,770this patent
Jun 2031
Jun 2031
US 8,437,980In force
Jun 2031
Jun 2031
8 of 132 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
Aug 13, 2014
Reel 33532, frame 27
Fitbit, Inc.Morgan Stanley Senior Funding, Inc., as Collateral AgentSecurity Interest
Aug 15, 2014
Reel 33546, frame 670
Fitbit, Inc.Silicon Valley Bank, As Administrative AgentSecurity Interest
Apr 22, 2015
Reel 35471, frame 870
Yuen, Shelten Gee Jao; Park, James; Friedman, Eric NathanFitbit, Inc.Assignment of Assignor's Interest
Apr 28, 2015
Reel 35531, frame 401
Yuen, Shelten Gee Jao; Park, James; Friedman, Eric NathanFitbit, Inc.Corrective Assignment to Correct the Assignee's Address Previously Recorded at Reel: 035471 Frame: 0870. Assignor(S) Hereby Confirms the Assignment.
Dec 11, 2015
reel/frame not recorded
Morgan Stanley Senior Funding, Inc.Fitstar, Inc.Release of Security Interest in Patents
Dec 11, 2015
reel/frame not recorded
Morgan Stanley Senior Funding, Inc.Fitbit, Inc.Release of Security Interest in Patents
Dec 11, 2015
Reel 37269, frame 76
Morgan Stanley Senior Funding, Inc.Fitstar, Inc.; Fitbit, Inc.Release of Security Interest in Patents
Dec 15, 2015
reel/frame not recorded
Silicon Valley Bank, As Administrative AgentFitstar, Inc.Termination and Release of Security Interest in Patents
Dec 15, 2015
reel/frame not recorded
Silicon Valley Bank, As Administrative AgentFitbit, Inc.Termination and Release of Security Interest in Patents
Dec 15, 2015
Reel 37300, frame 497
Silicon Valley Bank, As Administrative AgentFitstar, Inc.; Fitbit, Inc.Termination and Release of Security Interest in Patents

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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