Opposition · USPTO

Opposition 91300634

OtherUSPTO

Opposition 91300634 at USPTO between Sony Group Corporation and Weichuan Liu, over the mark RUKZSONY, filed Jul 28, 2025. Status in the office record: other.

Status
Other
Result
Other
Filed
Jul 28, 2025
Marks involved
8
Parties

Who is involved

The parties as named in the office record.

Opponent

Sony Group Corporation

Company trademarks
Respondent

Weichuan Liu

Timeline

How the case has moved

Dates from the USPTO record and the RUKZSONY filing.

  1. RUKZSONY filed

    Application 98770063 filed at the USPTO.
  2. Opposition filed

    Sony Group Corporation started opposition 91300634 at USPTO against RUKZSONY.
Marks

Marks involved

1 contested mark, 7 marks the challenger relies on.

MarkRoleApplicationOffice
RUKZSONYContested98770063USPTO
SONYRelied on72204017USPTO
SONYRelied on72304828USPTO
SONYRelied on73755377USPTO
SONYRelied on86978329USPTO
SONYRelied on87735737USPTO
SONYRelied on88053809USPTO
SONY PICTURES STUDIOSRelied on88462471USPTO
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_701aff4f-95b4-4272-809b-679bd550722d
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_701aff4f-95b4-4272-809b-679bd550722d",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91300634",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-07-28",
  "parties": [
    {
      "name": "Sony Group Corporation",
      "role": "opponent"
    },
    {
      "name": "Weichuan Liu",
      "role": "respondent"
    }
  ]
}