Opposition · USPTO

Opposition 91308299

OtherUSPTO

Opposition 91308299 at USPTO between Mattel, Inc. and Zhejiang Tingjing Intelligent Technology Co., Ltd., over the mark MUSL KEN, filed Jun 23, 2026. Status in the office record: other.

View MUSL KENGet this data via the API
Status
Other
Result
Other
Filed
Jun 23, 2026
Marks involved
14
Parties

Who is involved

The parties as named in the office record.

Opponent

Mattel, Inc.

Respondent

Zhejiang Tingjing Intelligent Technology Co., Ltd.

Timeline

How the case has moved

Dates from the USPTO record and the MUSL KEN filing.

  1. MUSL KEN filed

    Application 99350560 filed at the USPTO.

  2. Opposition filed

    Mattel, Inc. started opposition 91308299 at USPTO against MUSL KEN.
Marks

Marks involved

1 contested mark, 13 marks the challenger relies on.

MarkRoleApplicationOffice
MUSL KENContested99350560USPTO
KENRelied on72106617USPTO
KENRelied on72183081USPTO
KENRelied on78484346USPTO
KENRelied on90511478USPTO
KENCORERelied on97554411USPTO
KENSATIONALRelied on97585089USPTO
KENOUGHRelied on98023821USPTO
I AM KENOUGHRelied on98100486USPTO
KENRelied on98111468USPTO
KENDOMRelied on98117495USPTO
KENDOMRelied on98139273USPTO

+2 more marks in this case

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_2e713d0b-d2a3-4a61-96ea-29f1ced56577
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_2e713d0b-d2a3-4a61-96ea-29f1ced56577",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308299",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-06-23",
  "parties": [
    {
      "name": "MATTEL, INC.",
      "role": "opponent"
    },
    {
      "name": "Zhejiang Tingjing Intelligent Technology Co., Ltd.",
      "role": "respondent"
    }
  ]
}