% Expired Patents = 20.0

CIPO Patents = 1

EPO Patents = 2

Trademarks = 2

Forward Citations = 19

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4 inventors (with patents filed for the assignee):

Bernd Jandeleit (10 out of 27 patents)

Wolf-Nicolas Fischer (10 out of 13 patents)

Kerry J Koller (10 out of 14 patents)

4. Gordon Ringold (3 out of 4 patents)

5. Shixiang Yan (9 patents)

6. Peter Y Tam (10 patents)

7. Ruifang Liu (0 patent)

10 patents: Sort by Forward Citations

1. 10246406 - Beta-substituted beta-amino acids and analogs as chemotherapeutic agents and uses thereof (2019-04-02),

2. 10245246 - β-substituted β-amino acids and analogs as chemotherapeutic agents (2019-04-02),

3. 10034847 - Beta-substituted beta-amino acids and analogs as chemotherapeutic agents (2018-07-31),

4. 10017459 - β-substituted β-amino acids and analogs as chemotherapeutic agents and uses thereof (2018-07-10),

5. 9937139 - β-substituted γ-amino acids and analogs as chemotherapeutic agents (2018-04-10),

6. 9861599 - Beta-substituted beta-amino acids and analogs as chemotherapeutic agents (2018-01-09),

7. 9783487 - Beta-substituted beta-amino acids and analogs as chemotherapeutic agents and uses thereof (2017-10-10),

8. 9682921 - β-substituted γ-amino acids and analogs as chemotherapeutic agents (2017-06-20),

9. 9394237 - β-substituted β-amino acids and analogs as chemotherapeutic agents (2016-07-19),

10. 9394236 - β-substituted γ-amino acids and analogs as chemotherapeutic agents (2016-07-19),

Quadriga Biosciences, Inc. is a leading biotechnology company focused on developing innovative pharmaceutical products to improve human health. With a strong focus on research and development, Quadriga is committed to advancing new therapies for a variety of diseases and medical conditions. Through collaborations with industry experts and academia, Quadriga is dedicated to making a positive impact on the healthcare industry.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

10 Patents

#30 in Los Altos, CA

#7,106 in California

#29,828 in US

#55,954 in the World

Los Altos, CA, United States of America

Quadriga Biosciences, Inc.

Forward Citations = 19

4 inventors:

Bernd Jandeleit (10 out of 27 patents)

Wolf-Nicolas Fischer (10 out of 13 patents)

Kerry J Koller (10 out of 14 patents)

4. Gordon Ringold (3 out of 4 patents)

5. Shixiang Yan (9 patents)

Please report any incorrect information to [email protected]

1 patent (CIPO):

Please report any incorrect information to [email protected]

2 patents (EPO):

Please report any incorrect information to [email protected]