| Serial Number | 79237285 |
| Word Mark | H2STEM |
| Filing Date | Friday, May 11, 2018 |
| Status | 709 - CANCELLED - SECTION 71 |
| Status Date | Friday, October 10, 2025 |
| Registration Number | 5706257 |
| Registration Date | Tuesday, March 26, 2019 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, January 8, 2019 |
| Pseudo Mark | H 2 STEM; H TWO STEM |
| Goods and Services | Pharmaceutical and veterinary preparations of human adult hepatocytes for the treatment of heavy to life-threatening liver and cellular diseases as well as for metabolism diseases of the liver |
| Goods and Services | Scientific and technological services and research and design relating thereto, namely, biological research and scientific research in the field of biotechnology; pharmaceutical and veterinary research services; development of pharmaceutical and veterinary products; medical laboratory services |
| Goods and Services | Medical and veterinary services; medical services relating to the removal, treatment and processing of stem cells; therapy services, namely, stem cell therapy services for medical and veterinary treatment purposes |
| 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 | 006, 018, 044, 046, 051, 052 |
| Class Status Code | F - NOT AVAILABLE |
| Class Status Date | Friday, October 10, 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 | F - NOT AVAILABLE |
| Class Status Date | Friday, October 10, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 044 - Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, horticulture and forestry services. |
| US Class Codes | 100, 101 |
| Class Status Code | F - NOT AVAILABLE |
| Class Status Date | Friday, October 10, 2025 |
| Primary Code | 044 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Promethera Therapeutics, Société anonyme |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 99 - Other |
| Address | BE |
| Party Name | PROMETHERA BIOSCIENCES, société anonyme |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 84 - NOT AVAILABLE |
| Address | BE |
| Party Name | PROMETHERA BIOSCIENCES, société anonyme |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 84 - NOT AVAILABLE |
| Address | BE |
| Party Name | PROMETHERA BIOSCIENCES, société anonyme |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 84 - NOT AVAILABLE |
| Address | BE |
| Event Date | Event Description |
| Thursday, July 26, 2018 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Monday, July 30, 2018 | LIMITATION FROM ORIGINAL APPLICATION ENTERED |
| Thursday, August 2, 2018 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, August 7, 2018 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, September 4, 2018 | ASSIGNED TO EXAMINER |
| Monday, September 10, 2018 | NON-FINAL ACTION WRITTEN |
| Tuesday, September 11, 2018 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Monday, September 17, 2018 | REFUSAL PROCESSED BY MPU |
| Monday, September 17, 2018 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Sunday, October 7, 2018 | REFUSAL PROCESSED BY IB |
| Thursday, November 8, 2018 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Thursday, November 8, 2018 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, November 8, 2018 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Friday, November 9, 2018 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, December 19, 2018 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, January 8, 2019 | PUBLISHED FOR OPPOSITION |
| Tuesday, January 8, 2019 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, March 26, 2019 | REGISTERED-PRINCIPAL REGISTER |
| Wednesday, June 26, 2019 | FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB |
| Monday, July 22, 2019 | FINAL DISPOSITION PROCESSED |
| Monday, July 22, 2019 | FINAL DISPOSITION NOTICE SENT TO IB |
| Friday, August 9, 2019 | FINAL DECISION TRANSACTION PROCESSED BY IB |
| Friday, June 12, 2020 | NOTIFICATION PROCESSED BY IB |
| Monday, June 29, 2020 | NEW REPRESENTATIVE AT IB RECEIVED |
| Tuesday, June 29, 2021 | CHANGE OF OWNER RECEIVED FROM IB |
| Tuesday, June 6, 2023 | NEW REPRESENTATIVE AT IB RECEIVED |
| Tuesday, March 26, 2024 | COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED |
| Friday, October 10, 2025 | CANCELLED SECTION 71 |