For the Inventor, By the Inventor

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San Carlos, CA, United States of America

Apexigen, Inc.

USPTO Granted Patents = 14

% Expired Patents = 21.4

EPO Patents = 6

Trademarks = 1

Forward Citations = 57

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13 inventors (with patents filed for the assignee):

Yongke Zhang (13 out of 14 patents)

Weimin Zhu (10 out of 19 patents)

Guo-Liang Yu (9 out of 142 patents)

4. Yaohuang Ke (5 out of 16 patents)

5. Sum Wai Pierre Lee (4 out of 4 patents)

6. Xiaodong Yang (2 out of 3 patents)

7. Pia Björck (1 out of 1 patent)

8. Christine Tan (1 out of 5 patents)

9. Erin Filbert (1 out of 1 patent)

10. Pierre Li (1 out of 1 patent)

11. Guoliang Yu (1 out of 1 patent)

12. Fanxin Ma (1 out of 1 patent)

13. Xin Fan (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 11078283 - Anti-PD-L1 antibodies and methods of use (2021-08-03),

2. 11001637 - Anti-CD40 antibodies (2021-05-11),

3. 10259878 - Anti-RANKL antibodies and methods of use (2019-04-16),

4. 9994640 - Anti-CD40 antibodies (2018-06-12),

5. 9951136 - Anti-IL-6 receptor antibodies and methods of use (2018-04-24),

6. 9676861 - Anti-CD40 antibodies and methods of use (2017-06-13),

7. 9556278 - Anti-CD40 antibodies (2017-01-31),

8. 9441042 - Anti-KDR antibodies and methods of use (2016-09-13),

9. 9266956 - Methods of inhibiting proliferation of CD40-expressing cancer cells with anti-CD40 antibodies (2016-02-23),

10. 9085621 - Anti-IL-1β antibodies (2015-07-21),

11. 8986692 - Anti-VEGF monoclonal antibody and pharmaceutical composition comprising said antibody (2015-03-24),

12. 8957193 - Polynucleotides encoding anti-CD40 antibodies (2015-02-17),

13. 8778345 - Anti-CD40 antibodies (2014-07-15),

14. 8753634 - Anti-IL-6 receptor antibodies and methods of use (2014-06-17),

Apexigen, Inc. is a biotechnology company based in San Carlos, California, focused on developing innovative immunotherapies for the treatment of cancer. The company specializes in harnessing the power of monoclonal antibodies and other advanced therapeutic modalities to enhance the immune response against tumors. Apexigen's research emphasizes the discovery and optimization of novel drug candidates, aiming to improve patient outcomes through targeted and effective cancer treatments.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

14 Patents

#28 in San Carlos, CA

#5,317 in California

#22,302 in US

#42,199 in the World

San Carlos, CA, United States of America

Apexigen, Inc.

Forward Citations = 57

13 inventors:

Yongke Zhang (13 out of 14 patents)

Weimin Zhu (10 out of 19 patents)

Guo-Liang Yu (9 out of 142 patents)

4. Yaohuang Ke (5 out of 16 patents)

5. Sum Wai Pierre Lee (4 out of 4 patents)

Please report any incorrect information to [email protected]

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