Opposition · USPTO

Opposition 91306780

OtherUSPTO

Opposition 91306780 at USPTO between Trek Bicycle Corporation and Shenzhen Daxia Chuangxin Technology Co., Ltd, over the mark LOONGTREK, filed Apr 21, 2026. Status in the office record: other.

Status
Other
Result
Other
Filed
Apr 21, 2026
Marks involved
19
Parties

Who is involved

The parties as named in the office record.

Opponent

Trek Bicycle Corporation

Respondent

Shenzhen Daxia Chuangxin Technology Co., Ltd

Timeline

How the case has moved

Dates from the USPTO record and the LOONGTREK filing.

  1. LOONGTREK filed

    Application 99440849 filed at the USPTO.
  2. Opposition filed

    Trek Bicycle Corporation started opposition 91306780 at USPTO against LOONGTREK.
Marks

Marks involved

1 contested mark, 18 marks the challenger relies on.

MarkRoleApplicationOffice
LOONGTREKContested99440849USPTO
TREKRelied on73259070USPTO
TREKRelied on74583173USPTO
TREKKINGRelied on74604152USPTO
ETREKRelied on75933601USPTO
TREKRelied on77433264USPTO
TREKLITERelied on78085960USPTO
TREKRelied on78171262USPTO
TREKRelied on85065052USPTO
TREKRelied on86117686USPTO
TREKRelied on86743992USPTO
PRO TREKRelied on87048310USPTO

+7 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 /v1/proceedings/{id}
ID=prc_f44059e0-b708-4602-bb8b-645928417601
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_f44059e0-b708-4602-bb8b-645928417601",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91306780",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-04-21",
  "parties": [
    {
      "name": "Trek Bicycle Corporation",
      "role": "opponent"
    },
    {
      "name": "Shenzhen Daxia Chuangxin Technology Co., Ltd",
      "role": "respondent"
    }
  ]
}