Opposition · USPTO

Opposition 91305953

OtherUSPTO

Opposition 91305953 at USPTO between Trek Bicycle Corporation and Guangzhou Kaitu Trading Co., Ltd., over the mark BRONTREK, filed Mar 17, 2026. Status in the office record: other.

View BRONTREKGet this data via the API
Status
Other
Result
Other
Filed
Mar 17, 2026
Marks involved
50
Parties

Who is involved

The parties as named in the office record.

Opponent

Trek Bicycle Corporation

Company trademarks
Respondent

Guangzhou Kaitu Trading Co., Ltd.

Timeline

How the case has moved

Dates from the USPTO record and the BRONTREK filing.

  1. BRONTREK filed

    Application 99422407 filed at the USPTO.

  2. Opposition filed

    Trek Bicycle Corporation started opposition 91305953 at USPTO against BRONTREK.
Marks

Marks involved

1 contested mark, 49 marks the challenger relies on.

MarkRoleApplicationOffice
BRONTREKContested99422407USPTO
TREKRelied on73259070USPTO
TREK 100Relied on74580965USPTO
TREKRelied on74583173USPTO
TREKKINGRelied on74604152USPTO
TREKRelied on75414082USPTO
ETREKRelied on75933601USPTO
TREK TRAVELRelied on76599435USPTO
TREK BICYCLE STORERelied on77221529USPTO
TREK 100Relied on77388493USPTO
TREKRelied on77388536USPTO
TREKRelied on77433264USPTO

+38 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_d4d37a99-f2ce-4f73-a0b5-acd164a293ff
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_d4d37a99-f2ce-4f73-a0b5-acd164a293ff",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91305953",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-03-17",
  "parties": [
    {
      "name": "Trek Bicycle Corporation",
      "role": "opponent"
    },
    {
      "name": "Guangzhou Kaitu Trading Co., Ltd.",
      "role": "respondent"
    }
  ]
}