% Expired Patents = 50.0

CIPO Patents = 3

EPO Patents = 4

Forward Citations = 6

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1 inventor (with patents filed for the assignee):

Xiaoqing Qiu (6 out of 9 patents)

6 patents: Sort by Forward Citations

1. 10071358 - Antibiotic preparation method and platform system based on same (2018-09-11),

2. 9611299 - Method for highly expressing recombinant protein of engineering bacteria and use thereof (2017-04-04),

3. 9359429 - Anti-cyanobacteria recombinant antibody polypeptide, gene thereof, and preparation method thereof (2016-06-07),

4. 9073989 - Antibiotic comprising an antibody mimetic, its preparation methods and uses thereof (2015-07-07),

5. 8883161 - Fusion polypeptide against EB virus-induced tumor and colicin Ia mutant (2014-11-11),

6. 8563503 - Antibiotic, its nucleotide sequence, methods of construction and uses thereof (2013-10-22),

Company Overview

Protein Design Lab, Ltd. is a leading biotechnology company specializing in the design and development of innovative protein-based therapeutics. Our team of scientists is dedicated to creating cutting-edge solutions for a wide range of diseases and medical conditions. With a focus on research and development, we strive to revolutionize the field of protein engineering and contribute to the advancement of human health. Visit our website for more information on our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#425 in Beijing

#4,454 in China

Beijing, China

Protein Design Lab, Ltd.

Forward Citations = 6

1 inventor:

Xiaoqing Qiu (6 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protein Design Lab, Ltd.. Retrieved from https://idiyas.com/company/protein-design-lab

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

3 patents (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

4 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]