Opposition · USPTO

Opposition 91302001

OtherUSPTO

Opposition 91302001 at USPTO between Amazon Technologies, Inc. and Guoyong Du, over the mark FILFIRE, filed Sep 26, 2025. Status in the office record: other.

View FILFIREGet this data via the API
Status
Other
Result
Other
Filed
Sep 26, 2025
Marks involved
6
Parties

Who is involved

The parties as named in the office record.

Opponent

Amazon Technologies, Inc.

Respondent

Guoyong Du

Timeline

How the case has moved

Dates from the USPTO record and the FILFIRE filing.

  1. FILFIRE filed

    Application 99000677 filed at the USPTO.

  2. Opposition filed

    Amazon Technologies, Inc. started opposition 91302001 at USPTO against FILFIRE.
Marks

Marks involved

1 contested mark, 5 marks the challenger relies on.

MarkRoleApplicationOffice
FILFIREContested99000677USPTO
FIRERelied on77270887USPTO
FIRERelied on85984230USPTO
FIRERelied on85984346USPTO
FIRERelied on86748360USPTO
AMAZON FIRERelied on86982228USPTO
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_32f2d5e2-d26b-481a-a56a-4366c7d969b5
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_32f2d5e2-d26b-481a-a56a-4366c7d969b5",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91302001",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-09-26",
  "parties": [
    {
      "name": "Amazon Technologies, Inc.",
      "role": "opponent"
    },
    {
      "name": "Guoyong Du",
      "role": "respondent"
    }
  ]
}