/Tailin Biotech: Announcement on Obtaining Trademark Registration Certificate, Patent Certificate and Computer Software Copyright Registration Certificate
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Tailin Biotech: Announcement on Obtaining Trademark Registration Certificate, Patent Certificate and Computer Software Copyright Registration Certificate

Shenzhen Stock Exchange
2026/04/16

Securities code: 300813 Securities abbreviation: Tailin Biotechnology Announcement number: 2026-027

Zhejiang Tailin Biotechnology Co., Ltd.

Announcement on Obtaining Trademark Registration Certificate, Patent Certificate and Computer Software Copyright Registration Certificate

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete, and contains no false records, misleading statements or major omissions.

Zhejiang Tailin Biotechnology Co., Ltd. (hereinafter referred to as the "Company" or "Tailin Biotechnology") and all

Its subsidiaries, Zhejiang Tailin Life Sciences Co., Ltd. (hereinafter referred to as "Tailin Life Sciences") and Zhejiang Tailin Medical

Medical Engineering Co., Ltd. (hereinafter referred to as "Tailin Medical Engineering") has recently obtained a total of 3 trademark registration certificates

book, 1 invention patent certificate and 1 computer software copyright registration certificate. The details are as follows:

  1. The company’s trademark registration status

Trademark certificate registration

Trademark graphics or words Approved goods/services Validity period Registrant number Category

Filter materials made from chemical substances; unprocessed

filter material made of plastic; filter material (chemical

chemical preparations); production of synthetic materials, rubber

and catalysts for polymers; unprocessed plastics 2026/3/7

1 87369035 1 Material; enzyme preparation for industrial use; unfinished Tailin bioprocessing plastic for industrial use; ion exchange resin membrane (chemical 2036/3/6

chemical preparations); fines for non-medical, non-veterinary use

Bacterial culture medium; non-medical, non-veterinary use

Microbial preparations (cutoff)

water purification device; water filter; water purification

Chemical equipment and machinery; water treatment equipment

Membrane filtration device; membrane for water filtration equipment; 2026/3/7

2 87376889 11 Gas purification device; air purification device to Tailin biology and machinery; membrane for reverse osmosis device; gas 2036/3/6

Membrane device for body generation; reaction for water treatment

Permeable membrane filter (cut-off)

Filter materials made of semi-processed plastic membranes; semi-

Processing of filter materials made of foam plastics; non-

2026/3/7

Plastic films for packaging; semi-processed plastics

3 87371673 17 to Tailin biomass; filter material (semi-processed foam or plastic

2036/3/6

film); filter material (unprocessed foam

or plastic film); insulation, heat insulation, sound insulation

material; insulating material, rubber or plastic

Filling material made of raw materials; wrapping, filling or

Plastic films for gasketing (not for packaging) (section

stop)

The acquisition of the above trademarks will help strengthen the protection of registered trademarks of the company and its wholly-owned subsidiaries, prevent the occurrence of related trademark infringement incidents, and help improve the company's brand and market visibility.

  1. Obtaining patent certificates

Serial number Patent name Patent type Application number Authorization announcement date Patentee A recombinant polymyxinase and its preparation and

1 Invention 2026100997164 2026/4/10 Tailin Life Science Application Method

The acquisition of the above patents will not have a significant impact on the recent production and operations of the company and its wholly-owned subsidiary Tailin Life Sciences, but it will help the company and its wholly-owned subsidiary Tailin Life Sciences further improve the intellectual property protection system, give full play to the advantages of independent intellectual property rights, and form a continuous innovation mechanism to maintain technological leadership and enhance core competitiveness.

  1. Obtaining computer software copyright registration certificate

Date of first publication Rights and scope of rights

Serial number Software name Copyright owner Certificate number Registration date Registration number period Obtaining method Perimeter

radiopharmaceuticals

Online Integrity Tailin Medicine Soft Copy No. Original Access All Rights Reserved 2026SR053 1 2025/12/10 2026/4/8

Detection and Control System Project No. 17753657 Deli 9376 System V1.0

The acquisition of the above-mentioned software copyright will not have a significant impact on the recent production and operations of the company and its wholly-owned subsidiary Tailin Medical Engineering, but to a certain extent it will help leverage the independent intellectual property advantages of the company and its wholly-owned subsidiary Tailin Medical Engineering, improve the intellectual property protection system, form a continuous innovation mechanism, and enhance core competitiveness.

Announcement is hereby made.

Board of Directors of Zhejiang Tailin Biotechnology Co., Ltd.

April 16, 2026