Opposition · USPTO

Opposition 91300538

OtherUSPTO

Opposition 91300538 at USPTO between HarbisonWalker International, Inc. and Refractory Resource Group LLC, over the mark SPARFIRE, filed Jul 23, 2025. Status in the office record: other.

View SPARFIREGet this data via the API
Status
Other
Result
Other
Filed
Jul 23, 2025
Marks involved
6
Parties

Who is involved

The parties as named in the office record.

Opponent

HarbisonWalker International, Inc.

Respondent

Refractory Resource Group LLC

Timeline

How the case has moved

Dates from the USPTO record and the SPARFIRE filing.

  1. SPARFIRE filed

    Application 98810584 filed at the USPTO.

  2. Opposition filed

    HarbisonWalker International, Inc. started opposition 91300538 at USPTO against SPARFIRE.
Marks

Marks involved

3 contested marks, 3 marks the challenger relies on.

MarkRoleApplicationOffice
SPARFIREContested98810584USPTO
SPARCONContested98810585USPTO
SPARLITEContested98810586USPTO
SPARFIRERelied on99295973USPTO
SPARCONRelied on99295980USPTO
SPARLITERelied on99295983USPTO
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_fe3bc42f-3675-4ef4-8236-52687fe334c0
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_fe3bc42f-3675-4ef4-8236-52687fe334c0",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91300538",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-07-23",
  "parties": [
    {
      "name": "HarbisonWalker International, Inc.",
      "role": "opponent"
    },
    {
      "name": "Refractory Resource Group LLC",
      "role": "respondent"
    }
  ]
}