YEASEN
Live / Registered — Registered — Section 8 accepted (as of 10 Feb 2026)
What this means for you
Registered since 24 Sept 2019. The owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 88325292
- Registration number
- 5867056
- Mark type
- Design + words
- Filed
- 05 Mar 2019
- Published for opposition
- 09 Jul 2019
- Registered
- 24 Sept 2019
- Attorney of record
- Dayro Alfonso Estevez
Goods and services
- Class 001 — Chemicals: Biochemical catalysts; Biological preparation for use in cell cultures other than for medical or veterinary use; Biological tissue cultures, other than for medical or veterinary purposes; Biological preparations for use in industry and science; Chemical reagents, other than for medical or veterinary purposes; Chemical substances for analyses in laboratories, other than for medical or veterinary purposes; Cryogenic preparations in solid, liquid or gas state for use in chilling and freezing; Cultures of microorganisms, other than for medical and veterinary use; Diagnostic preparations, other than for medical or veterinary purposes; Biologically active enzymes and microorganisms that are aimed at sanitising water environments and to treat the activation and optimisation of biological filter systems
Owner
- Shanghai Yeasen Biotechnology Co.,Ltd., Shanghai, CN
- Shanghai Yeasen Biotechnology Co.,Ltd., Shanghai, CN
- Shanghai Yeasen Biotechnology Co.,Ltd., Shanghai, CN
Prosecution history
- 10 Feb 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED
- 10 Feb 2026 — REGISTERED - SEC. 8 (6-YR) ACCEPTED
- 09 Feb 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 24 Sept 2025 — TEAS SECTION 8 RECEIVED
- 24 Sept 2024 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
- 06 Feb 2024 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 06 Feb 2024 — TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
- 06 Feb 2024 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 06 Feb 2024 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 24 Sept 2019 — REGISTERED-PRINCIPAL REGISTER
- 09 Jul 2019 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 09 Jul 2019 — PUBLISHED FOR OPPOSITION
- 19 Jun 2019 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 30 May 2019 — ASSIGNED TO LIE
- 16 May 2019 — APPROVED FOR PUB - PRINCIPAL REGISTER