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US

Device and Method for Sensing Electrical Activity in Tissue

US 11,638,547 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Mar 25, 2021 (Bank of America, N.A.).

Term ends Jun 9, 2028 · Medium confidence

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

Filed Dec 16, 2019 as application 16/715,610 · Granted May 2, 2023
Base term plus 671 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2028
Clock starts
Aug 8, 2006
Term ends
Jun 9, 2028
Granted
May 2, 2023
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
671
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 10,506,941, to Jun 9, 2028. The term already ends on or before that date, so the cap shortened nothing.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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 671 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 1 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 Aug 8, 2006, when applications 11/500,678 and 11/500,679, the earliest non-provisional applications in its chain, were filed (this one was filed Dec 16, 2019); a parent in its chain could not be resolved (the next row)Aug 8, 2026High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+671 days, USPTO patent term adjustment recordJun 9, 2028High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,506,941)resolves to Jun 9, 2028, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 1 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 9, 2028Medium confidence

This family

US 9,351,658Term ended
Nov 2026
Nov 2026
US 10,506,941In force
Nov 2028
Nov 2028
US 11,638,547this patent
Jun 2028
Jun 2028
3 of 4 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
Apr 29, 2020
Reel 52524, frame 734
Lee, Michael J.; Lee, Hans C.Emsense CorporationAssignment of Assignor's Interest
Apr 29, 2020
Reel 52524, frame 739
Emsense LLCThe Nielsen Company (US), LLCAssignment of Assignor's Interest
Apr 29, 2020
Reel 52524, frame 778
Emsense CorporationEmsense LLCAssignment of Assignor's Interest
Jun 9, 2020
Reel 53473, frame 1
A. C. Nielsen Company, LLC; Acn Holdings Inc.; Acnielsen Corporation; Acnielsen Eratings.com; Affinnova, Inc.; Art Holding, L.l.c.; Athenian Leasing Corporation; CZT/Acn Trademarks, L.L.C.; Exelate, Inc.; Gracenote, Inc.; Gracenote Digital Ventures, LLC; Gracenote Media Services, LLC; Netratings, LLC; Nielsen Audio, Inc.; Nielsen Consumer Insights, Inc.; Nielsen Consumer Neuroscience, Inc.; Nielsen Finance Co.; Nielsen Finance LLC; Nielsen International Holdings, Inc.; Nielsen Mobile, LLC; Nielsen UK Finance I, LLC; NMR Investing I, Inc.; TCG Divestiture Inc.; TNC (US) Holdings, Inc.; The Nielsen Company (US), LLC; Vizu Corporation; Vnu Marketing Information, Inc.; Nmr Licensing Associates, L.p.; Nielsen Holding and Finance B.V.; The Nielsen Company B.V.; Vnu International B.V.Citibank, N.a.Supplemental Security Agreement
Oct 7, 2020
Reel 54066, frame 64
A.C. Nielsen (Argentina) S.A.; A.C. Nielsen Company, LLC; Acn Holdings Inc.; Acnielsen Corporation; Acnielsen Eratings.com; Affinnova, Inc.; Art Holding, L.l.c.; Athenian Leasing Corporation; CZT/Acn Trademarks, L.L.C.; Exelate, Inc.; Gracenote, Inc.; Gracenote Digital Ventures, LLC; Gracenote Media Services, LLC; Netratings, LLC; Nielsen Audio, Inc.; Nielsen Consumer Insights, Inc.; Nielsen Consumer Neuroscience, Inc.; Nielsen Finance Co.; Nielsen Finance LLC; Nielsen International Holdings, Inc.; Nielsen Mobile, LLC; NMR Investing I, Inc.; TCG Divestiture Inc.; TNC (US) Holdings, Inc.; The Nielsen Company (US), LLC; Vizu Corporation; Vnu Marketing Information, Inc.; Nmr Licensing Associates, L.p.; Nielsen Holding and Finance B.V.; The Nielsen Company B.V.; Vnu International B.V.Citibank, N.aCorrective Assignment to Correct the Patents Listed on Schedule 1 Recorded on 6-9-2020 Previously Recorded on Reel 053473 Frame 0001. Assignor(S) Hereby Confirms the Supplemental IP Security Agreement.
Feb 11, 2021
Reel 55236, frame 963
The Nielsen Company (US), LLCNielsen Consumer LLCAssignment of Assignor's Interest
Mar 10, 2021
Reel 55557, frame 949
Citibank, N.a.Nielsen Consumer Neuroscience, Inc.; Nielsen Consumer LLCPartial Release of Security Interest
Mar 10, 2021
reel/frame not recorded
Citibank, N.a.Nielsen Consumer Neuroscience, Inc.Partial Release of Security Interest
Mar 10, 2021
reel/frame not recorded
Citibank, N.a.Nielsen Consumer LLCPartial Release of Security Interest
Mar 25, 2021
Reel 55742, frame 719
Nielsen Consumer LLC; Byzzer Inc.Bank of America, N.A., as Administrative Agent and Collateral AgentSecurity Interest
May 11, 2023
Reel 63603, frame 1
Citibank, N.a.A. C. Nielsen Company, LLC; Exelate, Inc.; Gracenote, Inc.; Gracenote Media Services, LLC; The Nielsen Company (US), LLC; Netratings, LLCRelease (REEL 053473 / Frame 0001)
May 11, 2023
Reel 63605, frame 1
Citibank, N.a.A. C. Nielsen Company, LLC; Exelate, Inc.; Gracenote, Inc.; Gracenote Media Services, LLC; The Nielsen Company (US), LLC; Netratings, LLCRelease (REEL 054066 / Frame 0064)
May 11, 2023
reel/frame not recorded
Citibank, N.a.A. C. Nielsen Company, LLCRelease (REEL 053473 / Frame 0001)
May 11, 2023
reel/frame not recorded
Citibank, N.a.Exelate, Inc.Release (REEL 053473 / Frame 0001)
May 11, 2023
reel/frame not recorded
Citibank, N.a.Gracenote, Inc.Release (REEL 053473 / Frame 0001)
May 11, 2023
reel/frame not recorded
Citibank, N.a.Gracenote Media Services, LLCRelease (REEL 053473 / Frame 0001)
May 11, 2023
reel/frame not recorded
Citibank, N.a.The Nielsen Company (US), LLCRelease (REEL 053473 / Frame 0001)
May 11, 2023
reel/frame not recorded
Citibank, N.a.Netratings, LLCRelease (REEL 053473 / Frame 0001)
May 11, 2023
reel/frame not recorded
Citibank, N.a.A. C. Nielsen Company, LLCRelease (REEL 054066 / Frame 0064)
May 11, 2023
reel/frame not recorded
Citibank, N.a.Exelate, Inc.Release (REEL 054066 / Frame 0064)
May 11, 2023
reel/frame not recorded
Citibank, N.a.Gracenote, Inc.Release (REEL 054066 / Frame 0064)
May 11, 2023
reel/frame not recorded
Citibank, N.a.Gracenote Media Services, LLCRelease (REEL 054066 / Frame 0064)
May 11, 2023
reel/frame not recorded
Citibank, N.a.The Nielsen Company (US), LLCRelease (REEL 054066 / Frame 0064)
May 11, 2023
reel/frame not recorded
Citibank, N.a.Netratings, LLCRelease (REEL 054066 / Frame 0064)

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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