Opposition · USPTO

Opposition 91304984

OtherUSPTO

Opposition 91304984 at USPTO between Amazon Technologies, Inc. and Xinxian Gao, over the mark ECHOKNOT, filed Feb 4, 2026. Status in the office record: other.

View ECHOKNOTGet this data via the API
Status
Other
Result
Other
Filed
Feb 4, 2026
Marks involved
12
Parties

Who is involved

The parties as named in the office record.

Opponent

Amazon Technologies, Inc.

Company trademarks
Respondent

Xinxian Gao

Timeline

How the case has moved

Dates from the USPTO record and the ECHOKNOT filing.

  1. ECHOKNOT filed

    Application 99294231 filed at the USPTO.

  2. Opposition filed

    Amazon Technologies, Inc. started opposition 91304984 at USPTO against ECHOKNOT.
Marks

Marks involved

1 contested mark, 11 marks the challenger relies on.

MarkRoleApplicationOffice
ECHOKNOTContested99294231USPTO
ECHORelied on86616053USPTO
ECHORelied on86617055USPTO
ECHORelied on86982507USPTO
ECHORelied on88125078USPTO
ECHORelied on88816940USPTO
ECHORelied on88984725USPTO
ECHO AUTORelied on88984894USPTO
ECHO AUTORelied on97664182USPTO
ECHORelied on97759865USPTO
ECHORelied on97979569USPTO
ECHORelied on97980037USPTO
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_ea961b0e-6978-45d3-a4ca-74ceab5d8710
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_ea961b0e-6978-45d3-a4ca-74ceab5d8710",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91304984",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-02-04",
  "parties": [
    {
      "name": "Amazon Technologies, Inc.",
      "role": "opponent"
    },
    {
      "name": "Xinxian Gao",
      "role": "respondent"
    }
  ]
}