Opposition 91308838
SuspendedUSPTO
Opposition 91308838 at USPTO between MannKind Corporation and 4 Mankind, Inc., over the mark 4MANKIND, filed Jul 14, 2026. Status in the office record: suspended.
- Status
- Suspended
- Filed
- Jul 14, 2026
- Marks involved
- 8
Parties
Who is involved
The parties as named in the office record.
Respondent
4 Mankind, Inc.
Timeline
How the case has moved
Dates from the USPTO record and the 4MANKIND filing.
4MANKIND filed
Application 99393119 filed at the USPTO.Opposition filed
MannKind Corporation started opposition 91308838 at USPTO against 4MANKIND.- Next
Suspended
No decision is recorded at USPTO yet.
Marks
Marks involved
1 contested mark, 7 marks the challenger relies on.
| Mark | Role | Application | Office |
|---|---|---|---|
| 4MANKIND | Contested | 99393119 | USPTO |
| MANNKIND | Relied on | 77979267 | USPTO |
| MANNKIND | Relied on | 78979848 | USPTO |
| X MANNKIND CARES | Relied on | 87331501 | USPTO |
| MANNKIND CARES | Relied on | 87331509 | USPTO |
| MANNKIND | Relied on | 88753466 | USPTO |
| MANNKIND | Relied on | 90360186 | USPTO |
| MANNKIND | Relied on | 98423196 | USPTO |
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 /v1/proceedings/{id}
ID=prc_2b99cfc6-fb26-4bd3-8f19-e0c7034028aa
curl https://api.signa.so/v1/proceedings/$ID \
-H "Authorization: Bearer $SIGNA_API_KEY"Response
{
"id": "prc_2b99cfc6-fb26-4bd3-8f19-e0c7034028aa",
"object": "proceeding",
"proceeding_type": "opposition",
"proceeding_number": "91308838",
"status": "suspended",
"office_code": "US",
"filed_date": "2026-07-14",
"parties": [
{
"name": "MannKind Corporation",
"role": "opponent"
},
{
"name": "4 Mankind, Inc.",
"role": "respondent"
}
]
}