Opposition · USPTO

Opposition 91309283

SuspendedUSPTO

Opposition 91309283 at USPTO between Boston Red Sox Baseball Club Limited Partnership, Chicago White Sox, Ltd. and Xijian Liang, over the mark FERTISOX, filed Jul 31, 2026. Status in the office record: suspended.

View FERTISOXGet this data via the API
Status
Suspended
Filed
Jul 31, 2026
Marks involved
50
Parties

Who is involved

The parties as named in the office record.

Opponent

Boston Red Sox Baseball Club Limited Partnership, Chicago White Sox, Ltd.

Respondent

Xijian Liang

Timeline

How the case has moved

Dates from the USPTO record and the FERTISOX filing.

  1. FERTISOX filed

    Application 99580250 filed at the USPTO.

  2. Opposition filed

    Boston Red Sox Baseball Club Limited Partnership, Chicago White Sox, Ltd. started opposition 91309283 at USPTO against FERTISOX.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 49 marks the challenger relies on.

MarkRoleApplicationOffice
FERTISOXContested99580250USPTO
WHITE SOXRelied on72266849USPTO
SOXRelied on72267303USPTO
SOXRelied on72267306USPTO
BOSTON RED SOXRelied on73053717USPTO
SOXRelied on73082451USPTO
RED SOXRelied on73093085USPTO
SOX CHICAGO WHITE SOXRelied on73174247USPTO
SOXRelied on73285571USPTO
RED SOXRelied on73713094USPTO
BOSTON RED SOXRelied on73739604USPTO
RED SOXRelied on73739610USPTO

+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_2fdbe4f4-bdfb-4aec-bbe9-80de1bd6a35a
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_2fdbe4f4-bdfb-4aec-bbe9-80de1bd6a35a",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91309283",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-07-31",
  "parties": [
    {
      "name": "Boston Red Sox Baseball Club Limited Partnership, Chicago White Sox, Ltd.",
      "role": "opponent"
    },
    {
      "name": "Xijian Liang",
      "role": "respondent"
    }
  ]
}