USPTO trademark

PROTRITAC

Under examinationUSPTOWord markClass 5Class 42

"PROTRITAC" is a word mark owned by Harpoon Therapeutics, Inc., filed at the USPTO on October 22, 2026. It is under examination and covers classes 5 and 42.

View Harpoon Therapeutics, Inc. portfolioGet this data via the API
Official USPTO record
PROTRITAC trademark as filed
As filed with the USPTO
Status
Under examination
Since October 22, 2026
Filed
October 22, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50176287
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
2 classes
Ownership

Who owns PROTRITAC

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

Owner

Harpoon Therapeutics, Inc.

Rahway, United States

9 trademarks in the portfolioView company

Representative

Lisa M. Dellamura

Merck & Co., Inc.

Goods and services

What the mark covers

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

  • Pharmaceutical preparations for T Cell therapy; Pharmaceutical preparations for the treatment of cancer and tumors; Biological preparations for the treatment of cancer and tumors; biotechnological platform technology, namely, biotechnological, diagnostic, and therapeutic preparations in the form of antibodies for delivery to cells in T cell therapy and treatment of cancer; immunotherapy products, namely, pharmaceutical preparations for the treatment of cancer and tumors

  • Pharmaceutical research and development

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Application filing receipt mailed
  2. New application entered
FAQ

About PROTRITAC

Who owns the trademark "PROTRITAC"?

The USPTO trademark "PROTRITAC" (application 50176287) is owned by Harpoon Therapeutics, Inc.

What is the status of "PROTRITAC"?

Its status at the USPTO is: under examination.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull PROTRITAC 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_01a168de-36ac-73f8-af4c-3193caf32dd7
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a168de-36ac-73f8-af4c-3193caf32dd7",
  "object": "trademark",
  "mark_text": "PROTRITAC",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50176287",
  "filing_date": "2026-10-22",
  "nice_classes": [
    5,
    42
  ],
  "owners": [
    {
      "name": "Harpoon Therapeutics, Inc.",
      "entity_id": "ent_019eb70a-d086-7481-888b-9764dcd68d7f"
    }
  ]
}