Opposition · USPTO

Opposition 91308407

OtherUSPTO

Opposition 91308407 at USPTO between Trek Bicycle Corporation and Shenzhen Chaweisi Business Development Co., Ltd, over the mark CAZTREK, filed Jun 26, 2026. Status in the office record: other.

View CAZTREKGet this data via the API
Status
Other
Result
Other
Filed
Jun 26, 2026
Marks involved
16
Parties

Who is involved

The parties as named in the office record.

Opponent

Trek Bicycle Corporation

Company trademarks
Respondent

Shenzhen Chaweisi Business Development Co., Ltd

Timeline

How the case has moved

Dates from the USPTO record and the CAZTREK filing.

  1. CAZTREK filed

    Application 99621600 filed at the USPTO.

  2. Opposition filed

    Trek Bicycle Corporation started opposition 91308407 at USPTO against CAZTREK.
Marks

Marks involved

1 contested mark, 15 marks the challenger relies on.

MarkRoleApplicationOffice
CAZTREKContested99621600USPTO
TREKRelied on73259070USPTO
TREKRelied on74583173USPTO
TREKKINGRelied on74604152USPTO
ETREKRelied on75933601USPTO
TREKRelied on77433264USPTO
TREKRelied on78171262USPTO
TREKRelied on85065052USPTO
TREKRelied on86743992USPTO
PRO TREKRelied on87048310USPTO
TREKKERRelied on90011613USPTO
TREKRelied on90351700USPTO

+4 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_97109a4f-8720-40eb-a705-e9339e6149c5
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_97109a4f-8720-40eb-a705-e9339e6149c5",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308407",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-06-26",
  "parties": [
    {
      "name": "Trek Bicycle Corporation",
      "role": "opponent"
    },
    {
      "name": "Shenzhen Chaweisi  Business Development Co., Ltd",
      "role": "respondent"
    }
  ]
}