Opposition · USPTO

Opposition 91101871

OtherUSPTO

Opposition 91101871 at USPTO between Sentra Industries, Inc. and Concentra, Inc., over the mark CONCENTRA, filed Apr 4, 1996. Status in the office record: other.

View CONCENTRAGet this data via the API
Status
Other
Result
Other
Filed
Apr 4, 1996
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

Sentra Industries, Inc.

Respondent

Concentra, Inc.

Timeline

How the case has moved

Dates from the USPTO record and the CONCENTRA filing.

  1. CONCENTRA filed

    Application 74639383 filed at the USPTO.

  2. Opposition filed

    Sentra Industries, Inc. started opposition 91101871 at USPTO against CONCENTRA.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
CONCENTRAContested74639383USPTO
SENTRARelied on73481745USPTO
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_6929b578-070e-477a-90f3-2abcd6884df6
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_6929b578-070e-477a-90f3-2abcd6884df6",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91101871",
  "status": "other",
  "office_code": "US",
  "filed_date": "1996-04-04",
  "parties": [
    {
      "name": "SENTRA INDUSTRIES, INC.",
      "role": "opponent"
    },
    {
      "name": "CONCENTRA, INC.",
      "role": "respondent"
    }
  ]
}