Opposition · USPTO

Opposition 91082067

OtherUSPTO

Opposition 91082067 at USPTO between The Nutrasweet Company and Warner-Lambert Company, over the mark DURASWEET, filed Feb 8, 1990. Status in the office record: other.

View DURASWEETGet this data via the API
Status
Other
Result
Other
Filed
Feb 8, 1990
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

The Nutrasweet Company

Respondent

Warner-Lambert Company

Timeline

How the case has moved

Dates from the USPTO record and the DURASWEET filing.

  1. DURASWEET filed

    Application 73781138 filed at the USPTO.

  2. Opposition filed

    The Nutrasweet Company started opposition 91082067 at USPTO against DURASWEET.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
DURASWEETContested73781138USPTO
NUTRASWEETRelied on73466992USPTO
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_961c564a-ed26-43c7-a311-00575918b00e
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_961c564a-ed26-43c7-a311-00575918b00e",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91082067",
  "status": "other",
  "office_code": "US",
  "filed_date": "1990-02-08",
  "parties": [
    {
      "name": "THE NUTRASWEET COMPANY",
      "role": "opponent"
    },
    {
      "name": "WARNER-LAMBERT COMPANY",
      "role": "respondent"
    }
  ]
}