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For the Inventor, By the Inventor

Dallas, TX, United States of America

Cumbre Pharmaceuticals Inc.

Calculating rank
USPTO Granted Patents = 8

% Expired Patents = 25.0

Forward Citations = 9

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12 inventors (with patents filed for the assignee):

goldMedal Zhenkun Ma (8 out of 40 patents)

silverMedal Jing Li (7 out of 11 patents)

bronzeMedal Susan Harran (5 out of 16 patents)

4.  Charles Z Ding (5 out of 23 patents)

5.  In Ho Kim (5 out of 7 patents)

6.  Keith D Combrink (4 out of 8 patents)

7.  Yafei Jin (4 out of 8 patents)

8.  Keith P Minor (4 out of 6 patents)

9.  Jamie C Longgood (4 out of 4 patents)

10.  Yong He (2 out of 2 patents)

11.  Daniel Denton (1 out of 1 patent)

12.  Timothy W Morris (1 out of 1 patent)


8 patents:

1. 7265107 - Rifamycin C-11 oxime cyclo derivatives effective against drug-resistant microbes (2007-09-04),
2. 7256187 - Rifamycin C-11 oxime derivatives effective against drug-resistant microbes (2007-08-14),
3. 7250413 - C-25 carbamate rifamycin derivatives with activity against drug-resistant microbes (2007-07-31),
4. 7247634 - Rifamycin derivatives effective against drug-resistant microbes (2007-07-24),
5. 7238694 - Rifamycin imino derivatives effective against drug-resistant microbes (2007-07-03),
6. 7229996 - Rifamycin derivatives (2007-06-12),
7. 7226931 - (R/S) rifamycin derivatives, their preparations and pharmaceutical compositions (2007-06-05),
8. 7202246 - Spiro-rifamycin derivatives targeting RNA polymerase (2007-04-10),
Company Overview
Cumbre Pharmaceuticals Inc. is a leading biopharmaceutical company focused on developing innovative and life-changing medications. We specialize in oncology, rare diseases, and autoimmune disorders. Our mission is to improve the quality of life for patients through the development of novel therapies. With a team of dedicated scientists and researchers, we are committed to advancing medical science and bringing new treatment options to patients in need.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

8 Patents

#258 in Dallas, TX

#2,284 in Texas

#36,017 in US

Dallas, TX (US)
Dallas, TX, United States of America

Cumbre Pharmaceuticals Inc.

Forward Citations = 9

12 inventors:

goldMedal Zhenkun Ma (8 out of 40 patents)

silverMedal Jing Li (7 out of 11 patents)

bronzeMedal Susan Harran (5 out of 16 patents)

4.  Charles Z Ding (5 out of 23 patents)

5.  In Ho Kim (5 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cumbre Pharmaceuticals Inc.. Retrieved from https://idiyas.com/company/cumbre-pharmaceuticals

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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