Opposition · USPTO

Opposition 91308779

PendingUSPTO

Opposition 91308779 at USPTO between Siemens Healthcare Diagnostics Inc., Ascensia Diabetes Care Holdings AG and BN BlackNugget LTD, over the mark MEDSTIX, filed Jul 13, 2026. Status in the office record: pending.

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Status
Pending
Filed
Jul 13, 2026
Marks involved
14
Parties

Who is involved

The parties as named in the office record.

Opponent

Siemens Healthcare Diagnostics Inc., Ascensia Diabetes Care Holdings AG

Respondent

BN BlackNugget LTD

Timeline

How the case has moved

Dates from the USPTO record and the MEDSTIX filing.

  1. MEDSTIX filed

    Application 99546660 filed at the USPTO.

  2. Opposition filed

    Siemens Healthcare Diagnostics Inc., Ascensia Diabetes Care Holdings AG started opposition 91308779 at USPTO against MEDSTIX.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 13 marks the challenger relies on.

MarkRoleApplicationOffice
MEDSTIXContested99546660USPTO
URISTIXRelied on72039121USPTO
COMBISTIXRelied on72039123USPTO
DIASTIXRelied on72047810USPTO
LABSTIXRelied on72047811USPTO
HEMA-COMBISTIXRelied on72166881USPTO
AZOSTIXRelied on72201640USPTO
MULTISTIXRelied on72407137USPTO
CHEK-STIXRelied on73181321USPTO
ALBUSTIXRelied on88167919USPTO
HEMASTIXRelied on88167998USPTO
MULTISTIX PRORelied on97642893USPTO

+2 more marks in this case

API

Get this data via the API

Every fact on this page comes from the Signa API. Track oppositions and cancellations on any mark with one request.

  • GET/v1/proceedings/{id}

    Parties, dates, outcome and every mark in the case

  • GET/v1/proceedings?trademark_id={trademark_id}

    Every proceeding on a mark

Get API keyView docs
GET /v1/proceedings/{id}
ID=prc_78bf688e-e9e1-405c-819d-5e76e3b42715
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_78bf688e-e9e1-405c-819d-5e76e3b42715",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308779",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-07-13",
  "parties": [
    {
      "name": "Siemens Healthcare Diagnostics Inc., Ascensia Diabetes Care Holdings AG",
      "role": "opponent"
    },
    {
      "name": "BN BlackNugget LTD",
      "role": "respondent"
    }
  ]
}