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South San Francisco, CA, United States of America

Plexxikon Inc.

USPTO Granted Patents = 107

CIPO Patents = 4

EPO Patents = 27

Trademarks = 2

Forward Citations = 3,842

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79 inventors (with patents filed for the assignee):

Prabha N Ibrahim (92 out of 134 patents)

Wayne Spevak (50 out of 54 patents)

Jiazhong Zhang (49 out of 53 patents)

4. Chao Zhang (44 out of 47 patents)

5. Guoxian Wu (31 out of 44 patents)

6. Jack Lin (28 out of 28 patents)

7. Dean R Artis (27 out of 39 patents)

8. Songyuan Shi (26 out of 35 patents)

9. Hanna Cho (24 out of 24 patents)

10. Marika Nespi (23 out of 23 patents)

11. Ryan Bremer (21 out of 21 patents)

12. Ying Zhang (18 out of 98 patents)

13. Todd Ewing (11 out of 23 patents)

14. Gary Conard Visor (11 out of 12 patents)

15. John Buell (10 out of 15 patents)

Core Competencies:

Heterocyclic Compounds

Kinase Modulation

IDO Modulation

TDO Modulation

CDK8 Modulation

Crystalline Forms

Solid Forms

Formulations of Compounds

Compounds for Kinase Modulation

Synthesis of Compounds

Bromodomain Inhibition

Indications for Kinase Modulation

107 patents: Sort by Forward Citations

1. 12509444 - Compounds and methods for CD73 modulation and indications therefor (2025-12-30),

2. 12435086 - Synthesis of heterocyclic compounds (2025-10-07),

3. 12076322 - Compounds and methods for kinase modulation, and indications therefor (2024-09-03),

4. 11739088 - Synthesis of heterocyclic compounds (2023-08-29),

5. 11337976 - Compounds and methods for kinase modulation, and indications therefor (2022-05-24),

6. 11149011 - Compounds and methods for IDO and TDO modulation, and indications therefor (2021-10-19),

7. 11103505 - Formulations of a compound modulating kinases (2021-08-31),

8. 10961240 - Formulations of a compound modulating kinases (2021-03-30),

9. 10941142 - Formulations of a compound modulating kinases (2021-03-09),

10. 10899761 - Heterocyclic compounds and uses thereof (2021-01-26),

11. 10829484 - Compounds and methods for kinase modulation, and indications therefor (2020-11-10),

12. 10730876 - Synthesis of a compound that modulates kinases (2020-08-04),

13. 10717735 - Solid forms of a compound for modulating kinases (2020-07-21),

14. 10703757 - Compounds and methods for CDK8 modulation and indications therefor (2020-07-07),

15. 10647716 - Heterocyclic compounds and uses thereof (2020-05-12),

Plexxikon Inc. is a biotechnology company based in California, USA. The company focuses on discovering and developing novel small molecule pharmaceuticals to treat various diseases. Plexxikon is known for its expertise in structure-guided drug design and has a rich pipeline of potential therapeutics. Their research areas include cancer, inflammation, and autoimmune diseases. For more information, visit their website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

107 Patents

#11 in South San Francisco, CA

#794 in California

#3,432 in US

#7,118 in the World

South San Francisco, CA, United States of America

Plexxikon Inc.

Forward Citations = 3,842

79 inventors:

Prabha N Ibrahim (92 out of 134 patents)

Wayne Spevak (50 out of 54 patents)

Jiazhong Zhang (49 out of 53 patents)

4. Chao Zhang (44 out of 47 patents)

5. Guoxian Wu (31 out of 44 patents)

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