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The BCI Briefing

Patent familyBCI, high confidence

Brain signal sensing headset

Filed by Kandu, ニューロルーションズ・インコーポレイテッド and Neurosolution Inc, first in 2021.

Granted · USView in Espacenet
Earliest priority
27 Aug 2021 · United States
Status
A grant was published in United States, first on 3 Sep 2024
Published in
Canada · International (PCT) · China · Australia · United States · European Patent Office · Japan
Registered as
Neurolutions, Inc. · 神经解决方案股份有限公司
Inventors
Zwierstra, Jan · Leuthardt, Eric Claude · Bhugra, Kern · Proulx, Timothy · J.兹维斯特拉 · E.c.卢塔特 · and 6 more
Family
DOCDB 83280331 · 11 publications

What it concerns

Devices for recording brain activity of a subject include a first arm shaped to extend along a subject's head, the first arm having a first aperture that allows access to the subject's head. A sensor assembly of the device has multi-directional adjustability in orientation. The sensor assembly includes a shell configured for multi-directional rotation; a sleeve inside the shell; an elastic element attaching a first end of the sleeve to an interior end of the shell; and a sensor removably inserted into the sleeve, with a contact surface of the sensor facing the subject's head. The device also includes a housing that contains an energy source and operational components for the sensor assembly.

The abstract as published by the patent office, from US20240201737A1. It describes the invention; it is not a statement of what is protected.

Protection themes

  • Interface and electrodes

    Electrodes and arrays

What the filing appears to be about, read by published rules from its title, abstract and classification codes (A61B2562/0219, A61B5/256, A61B5/291, A61B5/31, A61B5/6803). 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.

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 11 times in 7 offices. Each publication opens in Espacenet.

Timeline

  1. 27 Aug 2021First filingEarliest priority, at United States. The family is counted in this year.
  2. 14 Oct 2021ApplicationFiled at China.
  3. 24 Aug 2022ApplicationsFiled at Canada, International (PCT), Australia, European Patent Office, Japan.
  4. 2 Mar 2023First publicationCA3229959A1, Canada.
  5. 21 Feb 2024ApplicationFiled at United States.
  6. 25 Apr 2024Owner recordedUnited States, on US20240201737A1: assignment; owner named: NEUROLUTIONS, INC., CALIFORNIA.
  7. 1 Aug 2024ApplicationFiled at United States.
  8. 13 May 2026Owner recordedEuropean Patent Office, on EP4391914A1: party data changed (applicant data changed or rights of an application transferred); owner named: NEUROLUTIONS, INC..
  9. 27 May 2026ApplicationFiled at United States.
  10. 23 Jun 2026Office recordJapan, on JP2024532610A: notification of reasons for refusal.
  11. 1 Sep 2026Grant publishedUS12724454B2, United States.
  12. 21 Sep 2026Owner recordedUnited States, on US20240393832A1: assignment; owner named: KANDU, INC., CALIFORNIA.

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: US20240201737A1 in Espacenet
  • Counted as a BCI patent family: uses the field's wording; classified G06F3/015 (input arrangements based on nervous-system activity); filed by Neurolutions, Inc., an organisation already in the graph; describes neural hardware or methods without naming the field; cites a family already accepted. How families are found and judged