Opposition · USPTO

Opposition 91305440

OtherUSPTO

Opposition 91305440 at USPTO between The Procter & Gamble Company and Zhipeng Du, over the mark CHARMKAISER, filed Feb 24, 2026. Status in the office record: other.

View CHARMKAISERGet this data via the API
Status
Other
Result
Other
Filed
Feb 24, 2026
Marks involved
15
Parties

Who is involved

The parties as named in the office record.

Opponent

The Procter & Gamble Company

Respondent

Zhipeng Du

Timeline

How the case has moved

Dates from the USPTO record and the CHARMKAISER filing.

  1. CHARMKAISER filed

    Application 99200881 filed at the USPTO.

  2. Opposition filed

    The Procter & Gamble Company started opposition 91305440 at USPTO against CHARMKAISER.
Marks

Marks involved

1 contested mark, 14 marks the challenger relies on.

MarkRoleApplicationOffice
CHARMKAISERContested99200881USPTO
CHARMINRelied on71266537USPTO
CHARMINRelied on77899173USPTO
CHARMIN ULTRA SOFTRelied on77934258USPTO
CHARMIN ULTRA STRONGRelied on77934268USPTO
CHARMINRelied on78394865USPTO
CHARMINRelied on86723487USPTO
CHARMIN ULTRA GENTLERelied on87095991USPTO
CHARMINRelied on87505822USPTO
CHARMIN FOREVER ROLLRelied on88150059USPTO
CHARMIN SMOOTH TEARRelied on97544145USPTO
CHARMIN ULTRA SOFT SMOOTH TEARRelied on97544146USPTO

+3 more marks in this case

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_a5cfee03-9d97-4a43-9df1-b100c433f3cc
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_a5cfee03-9d97-4a43-9df1-b100c433f3cc",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91305440",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-02-24",
  "parties": [
    {
      "name": "The Procter & Gamble Company",
      "role": "opponent"
    },
    {
      "name": "Zhipeng Du",
      "role": "respondent"
    }
  ]
}