CIPO trademark

PROLACT+4

RegisteredCIPOWord markClass 5

"PROLACT+4" is a word mark owned by Prolacta Bioscience, Inc., filed at the CIPO on October 15, 2009. It is registered and covers class 5 (Pharmaceuticals).

View Prolacta Bioscience, Inc. portfolio Get this data via the API

Data current as of April 29, 2026Official CIPO record

PROLACT+4

Word mark as filed with the CIPO

Status: Registered; Since April 17, 2014
Filed: October 15, 2009
Registered: April 17, 2014
Expires: April 17, 2029
Application no.: 1455431
Registration no.: TMA875976
Office: CIPO; Canadian Intellectual Property Office
Mark type: Word mark; 1 class

Ownership

Who owns PROLACT+4

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

Owner

Prolacta Bioscience, Inc.

United States

45 trademarks in the portfolioView company

Representative

Smart & Biggar LP

Goods and services

What the mark covers

The products and services PROLACT+4 is filed for, grouped by Nice class.

05Class 5 · Pharmaceuticals
Human milk fortifiers for infants, namely concentrated human milk.

History

What has happened so far

Steps recorded by the CIPO, newest first.

April 21, 2026Agent Changed; Transferred From: 2502 To: 59
May 23, 2018Rep for Service Changed; From: 119 To: 2502 / Voir Preuve au dossier/See evidence on File No. 1720536
April 17, 2014Registered
October 15, 2013Extension of Time; Online Request Date: 2013/10/15
April 9, 2013Extension of Time; Online Request Date: 2013/04/09
October 15, 2012Extension of Time; Online Request Date: 2012/10/15
September 23, 2011Allowance Notice Sent
September 23, 2011Allowed
June 8, 2011Advertised; Vol.58 Issue 2954
June 2, 2011Approved; APPROVED BY PROGRAM EX200M1

7 earlier steps on the official record.

FAQ

About PROLACT+4

Who owns the trademark "PROLACT+4"?

The CIPO trademark "PROLACT+4" (application 1455431) is owned by Prolacta Bioscience, Inc.

What is the status of "PROLACT+4"?

Its status at the CIPO is: registered.

When was "PROLACT+4" registered?

It was registered on April 17, 2014 and is due to expire on April 17, 2029.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull PROLACT+4 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 key View docs

GET /v1/trademarks/{id}

ID=tm_019dec49-2303-73f9-873f-507aa0b9b95d
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019dec49-2303-73f9-873f-507aa0b9b95d",
  "object": "trademark",
  "mark_text": "PROLACT+4",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "CA",
  "application_number": "1455431",
  "filing_date": "2009-10-15",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Prolacta Bioscience, Inc.",
      "entity_id": "ent_019eb7b7-5e40-735e-9f21-38f99f89e7b4"
    }
  ]
}