Opposition · USPTO

Opposition 91301891

PendingUSPTO

Opposition 91301891 at USPTO between Duckhorn Wine Company and Four E Winegrowers LLC, over the mark SILVER DUCK, filed Sep 23, 2025. Status in the office record: pending.

Status
Pending
Filed
Sep 23, 2025
Marks involved
15
Parties

Who is involved

The parties as named in the office record.

Opponent

Duckhorn Wine Company

Company trademarks
Respondent

Four E Winegrowers LLC

Timeline

How the case has moved

Dates from the USPTO record and the SILVER DUCK filing.

  1. SILVER DUCK filed

    Application 99033880 filed at the USPTO.
  2. Opposition filed

    Duckhorn Wine Company started opposition 91301891 at USPTO against SILVER DUCK.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 14 marks the challenger relies on.

MarkRoleApplicationOffice
SILVER DUCKContested99033880USPTO
DUCKHORN VINEYARDSRelied on73494138USPTO
PARADUXXRelied on75147671USPTO
MIGRATIONRelied on75223724USPTO
DECOYRelied on75509012USPTO
[Design mark]Relied on75509014USPTO
DUCKHORNRelied on76124853USPTO
GOLDENEYERelied on77622376USPTO
CANVASBACKRelied on78153381USPTO
[Design mark]Relied on85315724USPTO
DUCK CALLRelied on86169154USPTO
DUCK BLINDRelied on86169169USPTO

+3 more marks in this case

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 /v1/proceedings/{id}
ID=prc_36416832-b09c-40f6-99f1-8b5c0062bba5
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_36416832-b09c-40f6-99f1-8b5c0062bba5",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301891",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2025-09-23",
  "parties": [
    {
      "name": "Duckhorn Wine Company",
      "role": "opponent"
    },
    {
      "name": "Four E Winegrowers LLC",
      "role": "respondent"
    }
  ]
}