Opposition · USPTO

Opposition 91308922

SuspendedUSPTO

Opposition 91308922 at USPTO between Karsten Manufacturing Corporation and Fengtao Yun, over the mark PINGLULU, filed Jul 17, 2026. Status in the office record: suspended.

View PINGLULUGet this data via the API
Status
Suspended
Filed
Jul 17, 2026
Marks involved
7
Parties

Who is involved

The parties as named in the office record.

Opponent

Karsten Manufacturing Corporation

Company trademarks
Respondent

Fengtao Yun

Timeline

How the case has moved

Dates from the USPTO record and the PINGLULU filing.

  1. PINGLULU filed

    Application 99431108 filed at the USPTO.

  2. Opposition filed

    Karsten Manufacturing Corporation started opposition 91308922 at USPTO against PINGLULU.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 6 marks the challenger relies on.

MarkRoleApplicationOffice
PINGLULUContested99431108USPTO
PINGRelied on77480547USPTO
PINGRelied on85009569USPTO
PINGRelied on85010415USPTO
PINGRelied on85252255USPTO
PINGRelied on88174616USPTO
PINGRelied on88174640USPTO
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_bfb5d415-f1a1-4bb9-a89a-c5ee73f41d66
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_bfb5d415-f1a1-4bb9-a89a-c5ee73f41d66",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308922",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-07-17",
  "parties": [
    {
      "name": "Karsten Manufacturing Corporation",
      "role": "opponent"
    },
    {
      "name": "Fengtao Yun",
      "role": "respondent"
    }
  ]
}