Opposition · USPTO

Opposition 91305668

SuspendedUSPTO

Opposition 91305668 at USPTO between Teva Pharmaceutical Industries LTD. and Xinghe Chen, over the mark TAIVA, filed Mar 4, 2026. Status in the office record: suspended.

View TAIVAGet this data via the API
Status
Suspended
Filed
Mar 4, 2026
Marks involved
6
Parties

Who is involved

The parties as named in the office record.

Opponent

Teva Pharmaceutical Industries LTD.

Company trademarks
Respondent

Xinghe Chen

Timeline

How the case has moved

Dates from the USPTO record and the TAIVA filing.

  1. TAIVA filed

    Application 98783162 filed at the USPTO.

  2. Opposition filed

    Teva Pharmaceutical Industries LTD. started opposition 91305668 at USPTO against TAIVA.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 5 marks the challenger relies on.

MarkRoleApplicationOffice
TAIVAContested98783162USPTO
TEVARelied on73781811USPTO
TEVARelied on86916163USPTO
TEVARelied on86916574USPTO
TEVARelied on87352575USPTO
TEVARelied on90266118USPTO
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_5994ef09-ae4c-4538-a7e0-f029927d4401
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_5994ef09-ae4c-4538-a7e0-f029927d4401",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91305668",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-03-04",
  "parties": [
    {
      "name": "Teva Pharmaceutical Industries LTD.",
      "role": "opponent"
    },
    {
      "name": "Xinghe Chen",
      "role": "respondent"
    }
  ]
}