Opposition · USPTO

Opposition 91304799

OtherUSPTO

Opposition 91304799 at USPTO between Riot Games, Inc. and Tang Xilin, over the mark [Design Mark], filed Jan 28, 2026. Status in the office record: other.

View [Design Mark]Get this data via the API
Status
Other
Result
Other
Filed
Jan 28, 2026
Marks involved
12
Parties

Who is involved

The parties as named in the office record.

Opponent

Riot Games, Inc.

Company trademarks
Respondent

Tang Xilin

Timeline

How the case has moved

Dates from the USPTO record and the [Design Mark] filing.

  1. [Design Mark] filed

    Application 99159895 filed at the USPTO.

  2. Opposition filed

    Riot Games, Inc. started opposition 91304799 at USPTO against [Design Mark].
Marks

Marks involved

1 contested mark, 11 marks the challenger relies on.

MarkRoleApplicationOffice
[Design mark]Contested99159895USPTO
RIOT GAMESRelied on88387301USPTO
RIOT GAMESRelied on88387305USPTO
RIOT GAMESRelied on88387308USPTO
RIOT GAMESRelied on88387310USPTO
RIOT GAMESRelied on88387312USPTO
RIOT GAMESRelied on88387315USPTO
RIOT TABLETOPRelied on88577439USPTO
RIOT GAMESRelied on88981578USPTO
RIOT GAMESRelied on88981579USPTO
RIOT GAMESRelied on88981621USPTO
[Design mark]Relied on99149224USPTO
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_75825e06-7f18-40b6-b3a1-f5624f9a5004
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_75825e06-7f18-40b6-b3a1-f5624f9a5004",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91304799",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-01-28",
  "parties": [
    {
      "name": "Riot Games, Inc.",
      "role": "opponent"
    },
    {
      "name": "Tang Xilin",
      "role": "respondent"
    }
  ]
}