| Serial Number | 97086119 |
| Word Mark | RATTAN |
| Filing Date | Thursday, October 21, 2021 |
| Status | 606 - ABANDONED - NO STATEMENT OF USE FILED |
| Status Date | Wednesday, October 15, 2025 |
| 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, August 30, 2022 |
| Goods and Services | Stem cell therapy services |
| Goods and Services | Biological research and analysis; Pharmaceutical drug development services; Stem cell research services |
| 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 | Sunday, November 7, 2021 |
| 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 | 6 - Active |
| Class Status Date | Sunday, November 7, 2021 |
| Primary Code | 044 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Rattan Life Science Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Sunnyvale, CA 94086 |
| Party Name | Rattan Life Science Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Sunnyvale, CA 94086 |
| Event Date | Event Description |
| Wednesday, August 10, 2022 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Monday, October 25, 2021 | NEW APPLICATION ENTERED |
| Sunday, November 7, 2021 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, July 28, 2022 | ASSIGNED TO EXAMINER |
| Thursday, July 28, 2022 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, August 30, 2022 | PUBLISHED FOR OPPOSITION |
| Tuesday, August 30, 2022 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, October 25, 2022 | NOA E-MAILED - SOU REQUIRED FROM APPLICANT |
| Friday, March 24, 2023 | SOU TEAS EXTENSION RECEIVED |
| Friday, March 24, 2023 | SOU EXTENSION 1 FILED |
| Friday, March 24, 2023 | SOU EXTENSION 1 GRANTED |
| Tuesday, March 28, 2023 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Friday, October 13, 2023 | SOU TEAS EXTENSION RECEIVED |
| Friday, October 13, 2023 | SOU EXTENSION 2 FILED |
| Friday, October 13, 2023 | SOU EXTENSION 2 GRANTED |
| Tuesday, October 17, 2023 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Thursday, April 25, 2024 | SOU TEAS EXTENSION RECEIVED |
| Thursday, April 25, 2024 | SOU EXTENSION 3 FILED |
| Thursday, April 25, 2024 | SOU EXTENSION 3 GRANTED |
| Friday, April 26, 2024 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Tuesday, October 22, 2024 | SOU TEAS EXTENSION RECEIVED |
| Tuesday, October 22, 2024 | SOU EXTENSION 4 FILED |
| Tuesday, October 22, 2024 | SOU EXTENSION 4 GRANTED |
| Tuesday, October 22, 2024 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Wednesday, October 15, 2025 | ABANDONMENT - NO USE STATEMENT FILED |
| Wednesday, October 15, 2025 | ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED |