USPTO trademark

XERMELO ER

AllowedUSPTOWord markClass 5

"XERMELO ER" is a word mark owned by TerSera Therapeutics LLC, filed at the USPTO on May 19, 2026. It has been allowed and covers class 5 (Pharmaceuticals).

View TerSera Therapeutics LLC portfolioGet this data via the API
Official USPTO record
XERMELO ER trademark as filed
As filed with the USPTO
Status
Allowed
Since October 27, 2026
Filed
May 19, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99832215
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns XERMELO ER

The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.

Owner

TerSera Therapeutics LLC

Deerfield, United States

33 trademarks in the portfolioView company

Representative

Mitchell J. Weinstein

Levenfeld Pearlstein, LLC

Goods and services

What the mark covers

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

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Noa e-mailed - sou required from applicant
  2. Official gazette publication confirmation e-mailed
  3. Published for opposition
  4. Notification of notice of publication e-mailed
  5. Notification of examiners amendment e-mailed
  6. Approved for pub - principal register
  7. Examiner's amendment entered
  8. Examiners amendment e-mailed
  9. Examiners amendment -written
  10. Assigned to examiner

3 earlier steps on the official record.

FAQ

About XERMELO ER

Who owns the trademark "XERMELO ER"?

The USPTO trademark "XERMELO ER" (application 99832215) is owned by TerSera Therapeutics LLC.

What is the status of "XERMELO ER"?

Its status at the USPTO is: allowed.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull XERMELO ER 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_019e4909-ff79-745d-92c5-e1871fc6060f
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019e4909-ff79-745d-92c5-e1871fc6060f",
  "object": "trademark",
  "mark_text": "XERMELO ER",
  "status": {
    "primary": "pending",
    "stage": "allowed"
  },
  "office_code": "US",
  "application_number": "99832215",
  "filing_date": "2026-05-19",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "TerSera Therapeutics LLC",
      "entity_id": "ent_019ebbba-d806-77de-9eec-b7b2dc459581"
    }
  ]
}