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For the Inventor, By the Inventor

San Diego, CA, United States of America

Pfenex Inc.


USPTO Granted Patents = 31

% Expired Patents = 19.4



Trademarks = 5

Forward Citations = 165

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31 inventors (with patents filed for the assignee):

goldMedal Diane M Retallack (16 out of 18 patents)

silverMedal Charles H Squires (10 out of 10 patents)

bronzeMedal Russell J Coleman (9 out of 23 patents)

4.  Lawrence C Chew (9 out of 10 patents)

5.  Torben Bruck (7 out of 7 patents)

6.  Thomas Martin Ramseier (7 out of 13 patents)

7.  Hongfan Jin (6 out of 6 patents)

8.  Jane C Schneider (5 out of 12 patents)

9.  Stacey Lynn Lee (5 out of 9 patents)

10.  Charles D Hershberger (4 out of 5 patents)

11.  Jeffrey Allen (4 out of 7 patents)

12.  Frank H Gaertner (3 out of 10 patents)

13.  Robert Shutter (3 out of 4 patents)

14.  David K Watkins (3 out of 16 patents)

15.  Adam Curry Chapman (2 out of 10 patents)


Core Competencies:
Recombinant Proteins
Bacterial Hosts
Fusion Partners
Microbial Screening
Protein Expression
Non-Antibiotic Selection
Soluble Interferon
Strain Engineering
Secretion Systems
Promoter Systems
Toxin Proteins
Amino Acids

31 patents:

1. 12674172 - BACTERIAL HOSTS FOR RECOMBINANT PROTEIN EXPRESSION (2026-07-07),
2. 11377661 - Method for production of recombinantasparaginase (2022-07-05),
3. 11046964 - Method for production of recombinantasparaginase (2021-06-29),
4. 10981968 - Fusion partners for peptide production (2021-04-20),
5. 10787671 - Method for production of recombinant (2020-09-29),
6. 10689640 - Method for rapidly screening microbial hosts to identify certain strains with improved yield and/or quality in the expression of heterologous proteins (2020-06-23),
7. 10662433 - Method for production of recombinantasparaginase (2020-05-26),
8. 10118956 - Fusion partners for peptide production (2018-11-06),
9. 10041102 - [object Object] (2018-08-07),
10. 9849177 - [object Object] (2017-12-26),
11. 9708616 - Production of recombinant proteins utilizing non-antibiotic selection methods and the incorporation of non-natural amino acids therein (2017-07-18),
12. 9611499 - Method for producing soluble recombinant interferon protein without denaturing (2017-04-04),
13. 9580719 - Method for rapidly screening microbial hosts to identify certain strains with improved yield and/or quality in the expression of heterologous proteins (2017-02-28),
14. 9458487 - [object Object] (2016-10-04),
15. 9453251 - [object Object] (2016-09-27),
Pfenex Inc. is a biotechnology company based in San Diego, California, specializing in the development and manufacturing of biologics and protein therapeutics. The company leverages its proprietary Pfenex Expression Technology to create high-quality proteins for use in therapeutic applications, including vaccines and monoclonal antibodies. Pfenex is committed to advancing healthcare by providing innovative solutions that address unmet medical needs, focusing on efficiency and scalability in its production processes.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Pfenex Inc.
31 Patents

#206 in San Diego, CA

#2,611 in California

#10,921 in US

#21,238 in the World

San Diego, CA (US)
San Diego, CA, United States of America

Pfenex Inc.

Forward Citations = 165

31 inventors:

goldMedal Diane M Retallack (16 out of 18 patents)

silverMedal Charles H Squires (10 out of 10 patents)

bronzeMedal Russell J Coleman (9 out of 23 patents)

4.  Lawrence C Chew (9 out of 10 patents)

5.  Torben Bruck (7 out of 7 patents)

Please report any incorrect information to [email protected]
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