ONEFOUR BIO Trademark
Trademark Overview
On Tuesday, June 17, 2025, a trademark application was filed for ONEFOUR BIO with the United States Patent and Trademark Office. The USPTO has given the ONEFOUR BIO trademark a serial number of 79436629. The federal status of this trademark filing is NON-FINAL ACTION - MAILED as of Sunday, January 4, 2026. This trademark is owned by Merus N.V.. The ONEFOUR BIO trademark is filed in the Chemical Products, Pharmaceutical Products, and Computer & Software Services & Scientific Services categories with the following description:
Biochemical products used in industry and science, namely mutivalent proteins, including antibodies used in industry and science, in the fields of immuno-oncology, inflammation, autoimmune, hematological and other unmet medical needs.
Pharmaceutical and veterinary preparations prepared with mutivalent proteins, including antibodies, used in industry and science, in the fields of immuno-oncology, inflammation, autoimmune, hematological and other unmet medical needs.
Services of biochemists; services of bacteriologic and biochemical laboratories, including advice in these aspects; technical drawing of professional reports by scientists, engineers, analysts and laboratory assistants and technicians, for industry and government service, in particular in the field of mutivalent proteins, including antibodies, in the fields of immuno-oncology, inflammation, auto-immune, hematological and other unmet medical needs; scientific and industrial research in particular in the field of the aforementioned antibodies; research and development of new products for third parties, in particular characterized in the aforementioned antibodies.
General Information
| Serial Number | 79436629 |
| Word Mark | ONEFOUR BIO |
| Filing Date | Tuesday, June 17, 2025 |
| Status | 641 - NON-FINAL ACTION - MAILED |
| Status Date | Sunday, January 4, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Goods and Services | Biochemical products used in industry and science, namely mutivalent proteins, including antibodies used in industry and science, in the fields of immuno-oncology, inflammation, autoimmune, hematological and other unmet medical needs. |
| Pseudo Mark | ONE FOUR BIO |
| Goods and Services | Pharmaceutical and veterinary preparations prepared with mutivalent proteins, including antibodies, used in industry and science, in the fields of immuno-oncology, inflammation, autoimmune, hematological and other unmet medical needs. |
| Goods and Services | Services of biochemists; services of bacteriologic and biochemical laboratories, including advice in these aspects; technical drawing of professional reports by scientists, engineers, analysts and laboratory assistants and technicians, for industry and government service, in particular in the field of mutivalent proteins, including antibodies, in the fields of immuno-oncology, inflammation, auto-immune, hematological and other unmet medical needs; scientific and industrial research in particular in the field of the aforementioned antibodies; research and development of new products for third parties, in particular characterized in the aforementioned antibodies. |
Classification Information
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 001, 005, 006, 010, 026, 046 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 13, 2025 |
| Primary Code | 001 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides. |
| US Class Codes | 005, 006, 018, 044, 046, 051, 052 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 13, 2025 |
| Primary Code | 005 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 13, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Merus B.V. |
| Party Type | 11 - New Owner Before Publication |
| Legal Entity Type | 98 - Unknown |
| Address | NL |
| Party Name | Merus N.V. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 32 - NOT AVAILABLE |
| Address | NL |
Trademark Events
| Event Date | Event Description |
| Thursday, November 13, 2025 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Monday, November 17, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, November 17, 2025 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, November 18, 2025 | ASSIGNED TO EXAMINER |
| Monday, November 24, 2025 | NON-FINAL ACTION WRITTEN |
| Tuesday, November 25, 2025 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Sunday, January 4, 2026 | REFUSAL PROCESSED BY MPU |
| Monday, January 5, 2026 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Thursday, January 22, 2026 | REFUSAL PROCESSED BY IB |
| Thursday, March 19, 2026 | CHANGE OF OWNER RECEIVED FROM IB |
| Thursday, May 7, 2026 | RESTRICTION OF HOLDER'S RIGHT OF DISPOSAL RECEIVED |
| Thursday, May 28, 2026 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Thursday, May 28, 2026 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Thursday, May 28, 2026 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Thursday, May 28, 2026 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Thursday, May 28, 2026 | TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS |
