Opposition · USPTO

Opposition 91305612

OtherUSPTO

Opposition 91305612 at USPTO between Major League Baseball Players Association and Xiaojun Hu, over the mark WUZJ, filed Mar 2, 2026. Status in the office record: other.

View WUZJGet this data via the API
Status
Other
Result
Other
Filed
Mar 2, 2026
Marks involved
4
Parties

Who is involved

The parties as named in the office record.

Opponent

Major League Baseball Players Association

Company trademarks
Respondent

Xiaojun Hu

Timeline

How the case has moved

Dates from the USPTO record and the WUZJ filing.

  1. WUZJ filed

    Application 99039572 filed at the USPTO.

  2. Opposition filed

    Major League Baseball Players Association started opposition 91305612 at USPTO against WUZJ.
Marks

Marks involved

1 contested mark, 3 marks the challenger relies on.

MarkRoleApplicationOffice
WUZJContested99039572USPTO
MLB PLAYERS CHOICERelied on75130600USPTO
[Design mark]Relied on75302404USPTO
MLB PLAYERS CHOICERelied on75981305USPTO
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_f86f8740-b849-497d-b695-6942a9110a1b
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_f86f8740-b849-497d-b695-6942a9110a1b",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91305612",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-03-02",
  "parties": [
    {
      "name": "Major League Baseball Players Association",
      "role": "opponent"
    },
    {
      "name": "Xiaojun Hu",
      "role": "respondent"
    }
  ]
}