USPTO trademark

EMUGEN

Opposition periodUSPTOWord markClass 5Class 42

"EMUGEN" is a word mark owned by Emugen Therapeutics LLC, filed at the USPTO on March 31, 2026. It is in its opposition period and covers classes 5 and 42.

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Official USPTO record
EMUGEN trademark as filed
As filed with the USPTO
Status
Opposition period
Since September 8, 2026
Filed
March 31, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99735877
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
2 classes
Ownership

Who owns EMUGEN

The owner and representative on file with the office.

Owner

Emugen Therapeutics LLC

Woburn, United States

Representative

Karen K. Won

Mintz, Levin, Cohn, Ferris, Glovsky, and Popeo P.C.

Goods and services

What the mark covers

The products and services EMUGEN is filed for, grouped by Nice class.

  • Pharmaceutical and biological preparations, namely, gene therapy products for the treatment of Rett Syndrome, Dravet Syndrome, neurological diseases and disorders, central nervous system disease and disorders, and genetic diseases and disorders; Pharmaceutical preparations for gene replacement and gene regulation in diseases, disorders, and conditions affecting the brain and central nervous system; Drug delivery agents, namely, bioengineered adeno-associated virus vectors for delivering gene therapies across blood-brain barrier

  • Scientific research and development of new technologies and products in the field of gene therapy, neurology, neurobiology, and genetic medicine; Bioengineering of adeno-associated virus vectors for use in gene therapy, and other gene regulation and gene replacement technologies; Providing scientific research information in the field of gene therapy, neurology, neurobiology, genetic medicine, and drug delivery across blood-brain barrier

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Official gazette publication confirmation e-mailed
  2. Published for opposition
  3. Notification of notice of publication e-mailed
  4. Approved for pub - principal register
  5. Assigned to examiner
  6. New application office supplied data entered
  7. Application filing receipt mailed
  8. New application entered
FAQ

About EMUGEN

Who owns the trademark "EMUGEN"?

The USPTO trademark "EMUGEN" (application 99735877) is owned by Emugen Therapeutics LLC.

What is the status of "EMUGEN"?

Its status at the USPTO is: opposition period.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull EMUGEN and marks like it into your own product with one request.

  • GET/v1/trademarks/{id}

    The full record: owners, classes, dates and images

  • GET/v1/trademarks/{id}/events

    Every step in the office history

  • GET/v1/proceedings?trademark_id={id}

    Oppositions and cancellations against the mark

Get API keyView docs
GET /v1/trademarks/{id}
ID=tm_019d4d16-8e92-752f-ac66-51955ad3f287
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d4d16-8e92-752f-ac66-51955ad3f287",
  "object": "trademark",
  "mark_text": "EMUGEN",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99735877",
  "filing_date": "2026-03-31",
  "nice_classes": [
    5,
    42
  ],
  "owners": [
    {
      "name": "Emugen Therapeutics LLC",
      "entity_id": null
    }
  ]
}