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The BCI Briefing

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Sensoreinrichtung zur Detektion bioelektrischer Signale

Filed by CorTec, Albert-ludwigs-universitaet Freiburg and Albert-ludwigs-universität Freiburg, first in 2012.

Granted · EP, USView in Espacenet
Earliest priority
24 Aug 2012 · Germany
Status
A grant was published in European Patent Office, United States, first on 8 Jan 2019
Published in
Germany · International (PCT) · United States · European Patent Office · Spain
Registered as
CORTEC GMBH
Inventors
Rickert, Joern · Ball, Tonio · Raab, Markus · Schuettler, Martin · Henle, Christian · Schüttler, Martin · and 1 more
Family
DOCDB 49322328 · 7 publications

What it concerns

Sensoreinrichtung zur Detektion bioelektrischer Signale, insbesondere zur Implantation in oder auf ein Gehirn, wobei die Sensoreinrichtung eine erste Anzahl von Elektroden, die mit einem biologischen Organismus, insbesondere Nervenzellen eines Nervensystems koppelbar sind, zum Abgreifen einer ersten Anzahl elektrischer Potenziale an dem biologischen Organismus umfasst. Erfindungsgemäß umfasst die Sensoreinrichtung Mittel zum Bereitstellen eines gemittelten elektrischen Referenzpotenzials. Das gemittelte elektrische Referenzpotenzial wird aus mehreren detektierten elektrischen Potenzialen gebildet, die an dem biologischen Organismus abgegriffen werden.

The abstract as published by the patent office, from US2015164425A1. It describes the invention; it is not a statement of what is protected.

Protection themes

  • Signal acquisition

    Signal acquisition

  • Power

    Wireless power

What the filing appears to be about, read by published rules from its title, abstract and classification codes (A61B5/30, A61B5/6868). The claims define what a patent protects, and they are not read here.

Why it matters

Signal acquisition
Neural signals are microvolts. They have to be amplified and digitised on many channels at once, inside a power budget that must not warm the tissue. The problem behind it: low noise on hundreds or thousands of channels at milliwatts.
Power
A wire through the skin is a standing infection risk, and a battery sets how long a device runs and how large it is. The problem behind it: enough power through the skin without heating it, and without a connector that breaks the skin.

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 7 times in 5 offices. Each publication opens in Espacenet.

Timeline

  1. 24 Aug 2012First filingEarliest priority, at Germany. The family is counted in this year.
  2. 23 Aug 2013ApplicationsFiled at International (PCT), European Patent Office, Spain.
  3. 27 Feb 2014First publicationDE102012107838A1, Germany.
  4. 23 Feb 2015ApplicationFiled at United States.
  5. 24 Jun 2015Owner recordedUnited States, on US2015164425A1: assignment; owner named: CORTEC GMBH, GERMANY.
  6. 8 Jan 2019Grant publishedUS10172560B2, United States.
  7. 1 Apr 2019Owner recordedGermany, on DE102012107838A1: change of applicant/patentee; owner named: ALBERT-LUDWIGS-UNIVERSITAET FREIBURG, DE.
  8. 1 Apr 2019Owner recordedGermany, on DE102012107838A1: change of applicant/patentee; owner named: CORTEC GMBH, DE.
  9. 8 Jan 2020Owner recordedEuropean Patent Office, on EP2887860A1: party data changed (applicant data changed or rights of an application transferred); owner named: ALBERT-LUDWIGS-UNIVERSITAET FREIBURG.
  10. 8 Jan 2020Owner recordedEuropean Patent Office, on EP2887860A1: party data changed (applicant data changed or rights of an application transferred); owner named: CORTEC GMBH.
  11. 29 Jul 2020Grant publishedEP2887860B1, European Patent Office.
  12. 9 Jul 2021Office recordGermany, on DE102012107838A1: application withdrawn or ip right abandoned.
  13. 31 Oct 2024Office recordEuropean Patent Office, on EP2887860A1: lapsed in a contracting state [announced via postgrant information from national office to epo] (AL, AT, BE, BG, CH, CY, CZ, DK, EE, ES, FI, FR, GB, GR, HR, IE, IS, IT, LT, LU, LV, MC, MK, MT, 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: US2015164425A1 in Espacenet
  • Counted as a BCI patent family: classified A61N1/378 (implanted stimulators: power supply); filed by CORTEC GMBH, an organisation already in the graph; a hardware layer of the stack, filed by a company that builds interfaces; cites a family already accepted. How families are found and judged