Opposition · USPTO

Opposition 91307029

SuspendedUSPTO

Opposition 91307029 at USPTO between Merck Sharp & Dohme LLC and Dr. Reddy's Laboratories SA, over the mark OZVENQO, filed Apr 30, 2026. Status in the office record: suspended.

Status
Suspended
Filed
Apr 30, 2026
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

Merck Sharp & Dohme LLC

Company trademarks
Respondent

Dr. Reddy's Laboratories SA

Company trademarks
Timeline

How the case has moved

Dates from the USPTO record and the OZVENQO filing.

  1. OZVENQO filed

    Application 98959549 filed at the USPTO.
  2. Opposition filed

    Merck Sharp & Dohme LLC started opposition 91307029 at USPTO against OZVENQO.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
OZVENQOContested98959549USPTO
OZEQVORelied on98311936USPTO
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_dbd9a4ea-a3d1-4af4-b2e8-8fdea2c3b27e
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_dbd9a4ea-a3d1-4af4-b2e8-8fdea2c3b27e",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91307029",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-04-30",
  "parties": [
    {
      "name": "MERCK SHARP & DOHME LLC",
      "role": "opponent"
    },
    {
      "name": "Dr. Reddy's Laboratories SA",
      "role": "respondent"
    }
  ]
}