Opposition · USPTO

Opposition 91305527

OtherUSPTO

Opposition 91305527 at USPTO between TCL Technology Group Corporation and Shenzhen Fengtai Zhisheng International Trade Co., Ltd., over the mark BACK KTCL, filed Feb 26, 2026. Status in the office record: other.

View BACK KTCLGet this data via the API
Status
Other
Result
Other
Filed
Feb 26, 2026
Marks involved
7
Parties

Who is involved

The parties as named in the office record.

Opponent

TCL Technology Group Corporation

Company trademarks
Respondent

Shenzhen Fengtai Zhisheng International Trade Co., Ltd.

Timeline

How the case has moved

Dates from the USPTO record and the BACK KTCL filing.

  1. BACK KTCL filed

    Application 99095200 filed at the USPTO.

  2. Opposition filed

    TCL Technology Group Corporation started opposition 91305527 at USPTO against BACK KTCL.
Marks

Marks involved

1 contested mark, 6 marks the challenger relies on.

MarkRoleApplicationOffice
BACK KTCLContested99095200USPTO
TCLRelied on79018892USPTO
TCL AI INRelied on79260522USPTO
TCLRelied on79263395USPTO
TCLRelied on79277899USPTO
TCLRelied on86287634USPTO
TCLRelied on97283907USPTO
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_12c66059-9e54-47af-a92a-3ee162d16dc0
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_12c66059-9e54-47af-a92a-3ee162d16dc0",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91305527",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-02-26",
  "parties": [
    {
      "name": "TCL Technology Group Corporation",
      "role": "opponent"
    },
    {
      "name": "Shenzhen Fengtai Zhisheng International Trade Co., Ltd.",
      "role": "respondent"
    }
  ]
}