Opposition · USPTO

Opposition 91306845

PendingUSPTO

Opposition 91306845 at USPTO between Kroff, Inc. and Chemtron Supply, LLC, over the mark [Design Mark], filed Apr 23, 2026. Status in the office record: pending.

View [Design Mark]Get this data via the API
Status
Pending
Filed
Apr 23, 2026
Marks involved
3
Parties

Who is involved

The parties as named in the office record.

Opponent

Kroff, Inc.

Respondent

Chemtron Supply, LLC

Timeline

How the case has moved

Dates from the USPTO record and the [Design Mark] filing.

  1. [Design Mark] filed

    Application 99424980 filed at the USPTO.

  2. Opposition filed

    Kroff, Inc. started opposition 91306845 at USPTO against [Design Mark].
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 2 marks the challenger relies on.

MarkRoleApplicationOffice
[Design mark]Contested99424980USPTO
[Design mark]Relied on99775405USPTO
KROFFRelied on99775444USPTO
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_831d98c9-bd5c-431f-a2b0-3f41e161eac7
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_831d98c9-bd5c-431f-a2b0-3f41e161eac7",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91306845",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-04-23",
  "parties": [
    {
      "name": "Kroff, Inc.",
      "role": "opponent"
    },
    {
      "name": "Chemtron Supply, LLC",
      "role": "respondent"
    }
  ]
}