| Serial Number | 99216957 |
| Word Mark | NEWLEOS |
| Filing Date | Wednesday, June 4, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, March 10, 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 | Tuesday, March 10, 2026 |
| Pseudo Mark | NEW LEOS |
| Goods and Services | Pharmaceutical research and development; Providing medical and scientific research information; all of the foregoing in the field of treatment and prevention of neurological and behavioral diseases and disorders |
| Goods and Services | Pharmaceutical preparations and therapeutics being pharmaceutical preparations for the treatment and prevention of neurological and behavioral diseases and disorders |
| 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 | Wednesday, June 4, 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 | Wednesday, June 4, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Newleos Therapeutics, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Boston, MA 02199 US |
| Party Name | Newleos Therapeutics, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Boston, MA 02199 US |
| Event Date | Event Description |
| Wednesday, June 4, 2025 | NEW APPLICATION ENTERED |
| Wednesday, June 4, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, October 9, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, October 23, 2025 | ASSIGNED TO EXAMINER |
| Friday, October 24, 2025 | NON-FINAL ACTION WRITTEN |
| Friday, October 24, 2025 | NON-FINAL ACTION E-MAILED |
| Friday, October 24, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Friday, January 23, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, January 23, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, January 23, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, February 10, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Tuesday, February 10, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Tuesday, February 10, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Tuesday, February 10, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Tuesday, February 10, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Tuesday, February 10, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Tuesday, February 10, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Tuesday, February 10, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Tuesday, February 10, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, March 4, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, March 10, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, March 10, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |