Opposition · USPTO

Opposition 91308240

OtherUSPTO

Opposition 91308240 at USPTO between Etsy, Inc. and Ma Aikuan, over the mark ESTYTOP, filed Jun 20, 2026. Status in the office record: other.

View ESTYTOPGet this data via the API
Status
Other
Result
Other
Filed
Jun 20, 2026
Marks involved
8
Parties

Who is involved

The parties as named in the office record.

Opponent

Etsy, Inc.

Company trademarks
Respondent

Ma Aikuan

Timeline

How the case has moved

Dates from the USPTO record and the ESTYTOP filing.

  1. ESTYTOP filed

    Application 99559647 filed at the USPTO.

  2. Opposition filed

    Etsy, Inc. started opposition 91308240 at USPTO against ESTYTOP.
Marks

Marks involved

1 contested mark, 7 marks the challenger relies on.

MarkRoleApplicationOffice
ESTYTOPContested99559647USPTO
ETSYRelied on78652698USPTO
ETSYRelied on78711195USPTO
ETSYRelied on78912570USPTO
ETSYRelied on88158602USPTO
ETSYRelied on88158603USPTO
ETSYRelied on88158610USPTO
ETSYRelied on90483235USPTO
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_67f30ac5-b96b-436a-bb65-8aa52186b1bd
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_67f30ac5-b96b-436a-bb65-8aa52186b1bd",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308240",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-06-20",
  "parties": [
    {
      "name": "Etsy, Inc.",
      "role": "opponent"
    },
    {
      "name": "Ma Aikuan",
      "role": "respondent"
    }
  ]
}