Opposition · USPTO

Opposition 91052249

OtherUSPTO

Opposition 91052249 at USPTO between Sterling Drug Inc. and Pennwalt Corporation, over the mark POLYSOL, filed Sep 30, 1971. Status in the office record: other.

View POLYSOLGet this data via the API
Status
Other
Result
Other
Filed
Sep 30, 1971
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

Sterling Drug Inc.

Respondent

Pennwalt Corporation

Timeline

How the case has moved

Dates from the USPTO record and the POLYSOL filing.

  1. POLYSOL filed

    Application 72358077 filed at the USPTO.

  2. Opposition filed

    Sterling Drug Inc. started opposition 91052249 at USPTO against POLYSOL.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
POLYSOLContested72358077USPTO
LYSOLRelied on71237610USPTO
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_31e8c569-e066-4f1d-9415-d1583cce4920
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_31e8c569-e066-4f1d-9415-d1583cce4920",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91052249",
  "status": "other",
  "office_code": "US",
  "filed_date": "1971-09-30",
  "parties": [
    {
      "name": "STERLING DRUG INC.",
      "role": "opponent"
    },
    {
      "name": "PENNWALT CORPORATION",
      "role": "respondent"
    }
  ]
}