Opposition · USPTO

Opposition 91310531

PendingUSPTO

Opposition 91310531 at USPTO between McDonald's Corporation and Brook Medicals, Inc., over the mark MCTK, filed Sep 21, 2026. Status in the office record: pending.

View MCTKGet this data via the API
Status
Pending
Filed
Sep 21, 2026
Marks involved
20
Parties

Who is involved

The parties as named in the office record.

Opponent

McDonald's Corporation

Company trademarks
Respondent

Brook Medicals, Inc.

Timeline

How the case has moved

Dates from the USPTO record and the MCTK filing.

  1. MCTK filed

    Application 99436934 filed at the USPTO.

  2. Opposition filed

    McDonald's Corporation started opposition 91310531 at USPTO against MCTK.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

2 contested marks, 18 marks the challenger relies on.

MarkRoleApplicationOffice
MCTKContested99436934USPTO
MC-TKContested99436942USPTO
MCDONALD'SRelied on72119302USPTO
MC CHICKENRelied on73076294USPTO
MCRIBRelied on73369229USPTO
MC DOUBLERelied on73370485USPTO
MCDONALDSRelied on73397249USPTO
MCDONALDSRelied on73397665USPTO
MCMUFFINRelied on73537686USPTO
MCFLURRYRelied on75408400USPTO
MCNUGGETRelied on77822521USPTO
MCGRIDDLESRelied on78115190USPTO

+8 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_b5dd3de5-b1fb-4436-89d5-d62645860b77
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_b5dd3de5-b1fb-4436-89d5-d62645860b77",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91310531",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-09-21",
  "parties": [
    {
      "name": "McDonald's Corporation",
      "role": "opponent"
    },
    {
      "name": "Brook Medicals, Inc.",
      "role": "respondent"
    }
  ]
}