Opposition · USPTO

Opposition 91299540

OtherUSPTO

Opposition 91299540 at USPTO between Genzyme Corporation and Kibow Biotech LLC, over the mark RENADYL, filed Jun 7, 2025. Status in the office record: other.

View RENADYLGet this data via the API
Status
Other
Result
Other
Filed
Jun 7, 2025
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

Genzyme Corporation

Respondent

Kibow Biotech LLC

Timeline

How the case has moved

Dates from the USPTO record and the RENADYL filing.

  1. RENADYL filed

    Application 98531377 filed at the USPTO.

  2. Opposition filed

    Genzyme Corporation started opposition 91299540 at USPTO against RENADYL.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
RENADYLContested98531377USPTO
RENAGELRelied on74590044USPTO
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_d88f6c7b-10e1-42fb-9a46-3270303cdab0
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_d88f6c7b-10e1-42fb-9a46-3270303cdab0",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91299540",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-06-07",
  "parties": [
    {
      "name": "Genzyme Corporation",
      "role": "opponent"
    },
    {
      "name": "Kibow Biotech LLC",
      "role": "respondent"
    }
  ]
}