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For the Inventor, By the Inventor

Los Altos, CA, United States of America

Quadriga Biosciences, Inc.

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 20.0



Trademarks = 2

Forward Citations = 19

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4 inventors (with patents filed for the assignee):

goldMedal Bernd Jandeleit (10 out of 27 patents)

silverMedal Wolf-Nicolas Fischer (10 out of 13 patents)

bronzeMedal 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:

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),
Company Overview
Quadriga Biosciences, Inc. is a biotechnology company based in Los Altos, California, specializing in the development of innovative therapeutics and diagnostic solutions. The organization focuses on leveraging advanced biological research and technology to address unmet medical needs, particularly in the fields of oncology and infectious diseases. With a commitment to scientific excellence, Quadriga aims to translate cutting-edge discoveries into effective treatments, enhancing patient outcomes and contributing to the advancement of healthcare.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#30 in Los Altos, CA

#7,121 in California

#29,892 in US

#56,119 in the World

Los Altos, CA (US)
Los Altos, CA, United States of America

Quadriga Biosciences, Inc.

Forward Citations = 19

4 inventors:

goldMedal Bernd Jandeleit (10 out of 27 patents)

silverMedal Wolf-Nicolas Fischer (10 out of 13 patents)

bronzeMedal Kerry J Koller (10 out of 14 patents)

4.  Gordon Ringold (3 out of 4 patents)

5.  Shixiang Yan (9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Quadriga Biosciences, Inc.. Retrieved from https://idiyas.com/company/quadriga-biosciences

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]
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