Opposition · USPTO

Opposition 91303139

OtherUSPTO

Opposition 91303139 at USPTO between Kansas City Royals Baseball Club, LLC and KC IP Holdings, LLC, over the mark KC, filed Nov 17, 2025. Status in the office record: other.

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Status
Other
Result
Other
Filed
Nov 17, 2025
Marks involved
19
Parties

Who is involved

The parties as named in the office record.

Opponent

Kansas City Royals Baseball Club, LLC

Company trademarks
Respondent

KC IP Holdings, LLC

Timeline

How the case has moved

Dates from the USPTO record and the KC filing.

  1. KC filed

    Application 98794787 filed at the USPTO.

  2. Opposition filed

    Kansas City Royals Baseball Club, LLC started opposition 91303139 at USPTO against KC.
Marks

Marks involved

1 contested mark, 18 marks the challenger relies on.

MarkRoleApplicationOffice
KCContested98794787USPTO
KCRRelied on72327388USPTO
KC R ROYALSRelied on73010579USPTO
KCRelied on73282486USPTO
KCRelied on73739402USPTO
KCRRelied on73739412USPTO
KC R ROYALSRelied on73739438USPTO
KC R ROYALSRelied on74306134USPTO
KC R ROYALSRelied on76152921USPTO
KC RRelied on76152922USPTO
KCRelied on76152923USPTO
KCRelied on76157791USPTO

+7 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_bc374162-8483-4494-8b2d-cd1c8a316338
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_bc374162-8483-4494-8b2d-cd1c8a316338",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91303139",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-11-17",
  "parties": [
    {
      "name": "Kansas City Royals Baseball Club, LLC",
      "role": "opponent"
    },
    {
      "name": "KC IP Holdings, LLC",
      "role": "respondent"
    }
  ]
}