Opposition · USPTO

Opposition 91303013

OtherUSPTO

Opposition 91303013 at USPTO between Exxon Mobil Corporation and Arch Resources, Inc., over the mark CORE NATURAL RESOURCES, filed Nov 10, 2025. Status in the office record: other.

View CORE NATURAL RESOURCESGet this data via the API
Status
Other
Result
Other
Filed
Nov 10, 2025
Marks involved
5
Parties

Who is involved

The parties as named in the office record.

Opponent

Exxon Mobil Corporation

Company trademarks
Respondent

Arch Resources, Inc.

Company trademarks
Timeline

How the case has moved

Dates from the USPTO record and the CORE NATURAL RESOURCES filing.

  1. CORE NATURAL RESOURCES filed

    Application 98777906 filed at the USPTO.

  2. Opposition filed

    Exxon Mobil Corporation started opposition 91303013 at USPTO against CORE NATURAL RESOURCES.
Marks

Marks involved

3 contested marks, 2 marks the challenger relies on.

MarkRoleApplicationOffice
CORE NATURAL RESOURCESContested98777906USPTO
COREContested98875568USPTO
CORE NATURAL RESOURCESContested98875569USPTO
CORERelied on85848708USPTO
AMERICAS CORERelied on88953404USPTO
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_a3ce8916-5c14-4f36-8d2c-b57e3908fdfb
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_a3ce8916-5c14-4f36-8d2c-b57e3908fdfb",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91303013",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-11-10",
  "parties": [
    {
      "name": "Exxon Mobil Corporation",
      "role": "opponent"
    },
    {
      "name": "Arch Resources, Inc.",
      "role": "respondent"
    }
  ]
}