Opposition · USPTO

Opposition 91301178

OtherUSPTO

Opposition 91301178 at USPTO between The Ohio State University and Shenzhen Yunding Information Technology Co., Ltd., over the mark O OCLEAN, filed Aug 20, 2025. Status in the office record: other.

Status
Other
Result
Other
Filed
Aug 20, 2025
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

The Ohio State University

Company trademarks
Respondent

Shenzhen Yunding Information Technology Co., Ltd.

Company trademarks
Timeline

How the case has moved

Dates from the USPTO record and the O OCLEAN filing.

  1. O OCLEAN filed

    Application 98687557 filed at the USPTO.
  2. Opposition filed

    The Ohio State University started opposition 91301178 at USPTO against O OCLEAN.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
O OCLEANContested98687557USPTO
ORelied on85935543USPTO
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 /v1/proceedings/{id}
ID=prc_ce9db0c8-0f84-4d49-8b07-54910da97578
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_ce9db0c8-0f84-4d49-8b07-54910da97578",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301178",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-08-20",
  "parties": [
    {
      "name": "The Ohio State University",
      "role": "opponent"
    },
    {
      "name": "Shenzhen Yunding Information Technology Co., Ltd.",
      "role": "respondent"
    }
  ]
}