Opposition · USPTO

Opposition 91300553

OtherUSPTO

Opposition 91300553 at USPTO between Merck Sharp & Dohme LLC and Liang Zheng, over the mark MRECKE, filed Jul 23, 2025. Status in the office record: other.

View MRECKEGet this data via the API
Status
Other
Result
Other
Filed
Jul 23, 2025
Marks involved
5
Parties

Who is involved

The parties as named in the office record.

Opponent

Merck Sharp & Dohme LLC

Respondent

Liang Zheng

Timeline

How the case has moved

Dates from the USPTO record and the MRECKE filing.

  1. MRECKE filed

    Application 98356237 filed at the USPTO.

  2. Opposition filed

    Merck Sharp & Dohme LLC started opposition 91300553 at USPTO against MRECKE.
Marks

Marks involved

1 contested mark, 4 marks the challenger relies on.

MarkRoleApplicationOffice
MRECKEContested98356237USPTO
MERCKRelied on71089989USPTO
MERCKRelied on75204592USPTO
MERCKRelied on85346985USPTO
MERCKRelied on98915091USPTO
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_472005a4-8d34-4302-bfee-325e1fb81864
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_472005a4-8d34-4302-bfee-325e1fb81864",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91300553",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-07-23",
  "parties": [
    {
      "name": "Merck Sharp & Dohme LLC",
      "role": "opponent"
    },
    {
      "name": "Liang Zheng",
      "role": "respondent"
    }
  ]
}