Opposition · USPTO

Opposition 91306605

OtherUSPTO

Opposition 91306605 at USPTO between Trek Bicycle Corporation and Ostrek Limited, over the mark OSTREK, filed Apr 14, 2026. Status in the office record: other.

View OSTREKGet this data via the API
Status
Other
Result
Other
Filed
Apr 14, 2026
Marks involved
19
Parties

Who is involved

The parties as named in the office record.

Opponent

Trek Bicycle Corporation

Company trademarks
Respondent

Ostrek Limited

Timeline

How the case has moved

Dates from the USPTO record and the OSTREK filing.

  1. OSTREK filed

    Application 99437448 filed at the USPTO.

  2. Opposition filed

    Trek Bicycle Corporation started opposition 91306605 at USPTO against OSTREK.
Marks

Marks involved

1 contested mark, 18 marks the challenger relies on.

MarkRoleApplicationOffice
OSTREKContested99437448USPTO
TREKRelied on73259070USPTO
TREKRelied on74583173USPTO
TREKKINGRelied on74604152USPTO
ETREKRelied on75933601USPTO
TREK BICYCLE STORERelied on77221529USPTO
TREKRelied on77433264USPTO
TREKRelied on78171262USPTO
TREKERRelied on78182435USPTO
DUAL TREKKERRelied on79164060USPTO
TREKRelied on85065052USPTO
TREK BICYCLES OF TUCSONRelied on85173419USPTO

+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 API keyView docs
GET /v1/proceedings/{id}
ID=prc_54b362e2-0bda-4267-9402-6f5f5e821de8
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_54b362e2-0bda-4267-9402-6f5f5e821de8",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91306605",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-04-14",
  "parties": [
    {
      "name": "Trek Bicycle Corporation",
      "role": "opponent"
    },
    {
      "name": "Ostrek Limited",
      "role": "respondent"
    }
  ]
}