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The BCI Briefing

Patent familyBCI, high confidence

Brain-computer interface headset

Filed by Kandu, first in 2014.

Granted · CA, EPView in Espacenet
Earliest priority
9 Jun 2014 · United States
Status
A grant was published in Canada, European Patent Office, first on 10 Jan 2023
Published in
Canada · International (PCT) · Australia · European Patent Office · United States
Registered as
NEUROLUTIONS, INC.
Inventors
Leuthardt, Eric C. · Moran, Daniel W.
Family
DOCDB 54834168 · 9 publications

What it concerns

Users of brain-computer interface (BCI) systems wear an electroencephalography (EEG) headset that places multiple electrodes in contact with the scalp of the user. The EEG headsets provided herein provide user convenience and EEG accuracy. For example, the positioning of the EEG electrodes is readily adjustable to provide a customizable fit with various head shapes and sizes, and to conveniently provide repeatable electrode-to-scalp contact. Further, EEG accuracy is improved by integrating electromagnetic shielding into the EEG headset to reduce electromagnetic interference. [0002] Selon l'invention, des utilisateurs de systèmes d'interface cerveau-ordinateur (BCI) portent un casque d'écoute d'électroencéphalographie (EEG) qui place plusieurs électrodes en contact avec le cuir chevelu de l'utilisateur. Les casques d'écoute EEG de l'invention fournissent une commodité pour l'utilisateur et une précision EEG. Par exemple, le positionnement des électrodes EEG est facilement adaptable pour fournir un agencement pouvant être personnalisé avec diverses formes et tailles de tête, et pour fournir de façon appropriée un contact électrode/cuir chevelu reproductible. En outre, la précision EEG est améliorée par intégration d'un blindage électromagnétique dans le casque d'écoute EEG pour réduire une interférence électromagnétique.

The abstract as published by the patent office, from US2017123495A1. It describes the invention; it is not a statement of what is protected.

Protection themes

  • Interface and electrodes

    Electrodes and arrays

  • Decoding

    Neural decoding

What the filing appears to be about, read by published rules from its title, abstract and classification codes (A61B5/0006, A61B5/291, A61B5/6803, A61B5/6831, G06F3/015). The claims define what a patent protects, and they are not read here.

Why it matters

Interface and electrodes
Everything downstream works with what the contacts pick up. Their number, size and distance from the neurons set the ceiling on the signal. The problem behind it: more contacts, closer to neurons, that still record after years in tissue that reacts to them.
Decoding
This is the step that turns brain activity into a command or a word. Its accuracy and speed are what a user experiences. The problem behind it: accuracy that holds over months without frequent recalibration, for more than one user and one task.

Why the layer matters to the field, not a judgement of this filing. A patent family shows that protection was sought. It does not show that the technology was built, is used in a product, or works in people. The whole stack

The family

One invention, published 9 times in 5 offices. Each publication opens in Espacenet.

Timeline

  1. 9 Jun 2014First filingEarliest priority, at United States. The family is counted in this year.
  2. 9 Jun 2015ApplicationsFiled at Canada, International (PCT), Australia, European Patent Office, United States.
  3. 17 Dec 2015First publicationCA2951689A1, Canada.
  4. 3 Jun 2019Owner recordedUnited States, on US2017123495A1: assignment; owner named: NEUROLUTIONS, INC., MISSOURI.
  5. 15 Aug 2019Office recordUnited States, on US2017123495A1: information on status: application discontinuation.
  6. 10 Jan 2023Grant publishedCA2951689C, Canada.
  7. 28 Feb 2024Grant publishedEP3151742B1, European Patent Office.
  8. 1 Jun 2026Office recordEuropean Patent Office, on EP3151742A1: lapsed in a contracting state [announced via postgrant information from national office to epo] (AT, BE, BG, CH, CY, CZ, DK, EE, ES, FI, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR).

Dates as the offices published them. Office records are in the offices' own words and are a selection: refusals, lapses and withdrawals, and records that name an owner. Each concerns one member of the family, not the family as a whole, and another member in the same office may stand. Whether a patent is in force today is not assessed.

Sources

  • Bibliographic data, family members and office records: European Patent Office, Open Patent Services (the DOCDB and INPADOC databases), read 7 Oct 2026.
  • The record itself, with its claims and description: US2017123495A1 in Espacenet
  • Counted as a BCI patent family: title or abstract names the field; classified G06F3/015 (input arrangements based on nervous-system activity); filed by NEUROLUTIONS, INC., an organisation already in the graph. How families are found and judged