Opposition · USPTO

Opposition 91301276

OtherUSPTO

Opposition 91301276 at USPTO between The Ohio State University and Shenzhen city Chongzheng Technology Co., Ltd., over the mark YOSOU, filed Aug 27, 2025. Status in the office record: other.

View YOSOUGet this data via the API
Status
Other
Result
Other
Filed
Aug 27, 2025
Marks involved
3
Parties

Who is involved

The parties as named in the office record.

Opponent

The Ohio State University

Company trademarks
Respondent

Shenzhen city Chongzheng Technology Co., Ltd.

Company trademarks
Timeline

How the case has moved

Dates from the USPTO record and the YOSOU filing.

  1. YOSOU filed

    Application 98763758 filed at the USPTO.

  2. Opposition filed

    The Ohio State University started opposition 91301276 at USPTO against YOSOU.
Marks

Marks involved

1 contested mark, 2 marks the challenger relies on.

MarkRoleApplicationOffice
YOSOUContested98763758USPTO
OSURelied on73042961USPTO
OSURelied on87330195USPTO
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_e41b99cd-335b-44d4-8a01-eee07e68bf43
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_e41b99cd-335b-44d4-8a01-eee07e68bf43",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301276",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-08-27",
  "parties": [
    {
      "name": "The Ohio State University",
      "role": "opponent"
    },
    {
      "name": "Shenzhen city Chongzheng Technology Co., Ltd.",
      "role": "respondent"
    }
  ]
}