Opposition 91310306
PendingUSPTO
Opposition 91310306 at USPTO between Eight Sleep Inc. and Ka Kinn Syuu International Trading Co.,limited, over the mark PRIMEEIGHT, filed Sep 10, 2026. Status in the office record: pending.
- Status
- Pending
- Filed
- Sep 10, 2026
- Marks involved
- 6
Parties
Who is involved
The parties as named in the office record.
Respondent
Ka Kinn Syuu International Trading Co.,limited
Timeline
How the case has moved
Dates from the USPTO record and the PRIMEEIGHT filing.
PRIMEEIGHT filed
Application 99702552 filed at the USPTO.Opposition filed
Eight Sleep Inc. started opposition 91310306 at USPTO against PRIMEEIGHT.- Next
Awaiting decision
No decision is recorded at USPTO yet.
Marks
Marks involved
1 contested mark, 5 marks the challenger relies on.
| Mark | Role | Application | Office |
|---|---|---|---|
| PRIMEEIGHT | Contested | 99702552 | USPTO |
| EIGHT SLEEP | Relied on | 88391714 | USPTO |
| 8 EIGHT SLEEP | Relied on | 88391721 | USPTO |
| EIGHT SLEEP POD | Relied on | 88984869 | USPTO |
| 8 | Relied on | 98275435 | USPTO |
| EIGHT | Relied on | 99595324 | USPTO |
API
Get this data via the API
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GET/v1/proceedings/{id}Parties, dates, outcome and every mark in the case
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GET /v1/proceedings/{id}
ID=prc_91c06eab-20e1-4a1c-91eb-2b7732f6b746
curl https://api.signa.so/v1/proceedings/$ID \
-H "Authorization: Bearer $SIGNA_API_KEY"Response
{
"id": "prc_91c06eab-20e1-4a1c-91eb-2b7732f6b746",
"object": "proceeding",
"proceeding_type": "opposition",
"proceeding_number": "91310306",
"status": "pending",
"office_code": "US",
"filed_date": "2026-09-10",
"parties": [
{
"name": "Eight Sleep Inc.",
"role": "opponent"
},
{
"name": "KA KINN SYUU INTERNATIONAL TRADING CO.,LIMITED",
"role": "respondent"
}
]
}