% Expired Patents = 58.3

CIPO Patents = 1

EPO Patents = 2

Forward Citations = 19

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2 inventors (with patents filed for the assignee):

Min Zhong (12 out of 41 patents)

Leping Li (12 out of 27 patents)

Min Zhong (0 patent)

12 patents: Sort by Forward Citations

1. 9309260 - Inhibitors of hepatitis C virus (2016-04-12),

2. 9150554 - Fused ring inhibitors of hepatitis C (2015-10-06),

3. 9120779 - Inhibitors of HCV NS5A (2015-09-01),

4. 9085587 - Inhibitors of hepatitis C virus (2015-07-21),

5. 8999967 - Tricyclic fused ring inhibitors of hepatitis C (2015-04-07),

6. 8921369 - Inhibitors of HCV NS5A (2014-12-30),

7. 8877707 - Inhibitors of HCV NS5A (2014-11-04),

8. 8865756 - Inhibitors of HCV NS5A (2014-10-21),

9. 8822520 - Substituted bicyclic HCV inhibitors (2014-09-02),

10. 8709999 - Substituted bicyclic HCV inhibitors (2014-04-29),

11. 8618151 - Inhibitors of HCV NS5A (2013-12-31),

12. 8614207 - Inhibitors of hepatitis C virus (2013-12-24),

Company Overview

Presidio Pharmaceuticals, Inc. is a biopharmaceutical company based in San Francisco, California, focused on developing innovative therapies for viral infections, particularly in the field of hepatitis and other infectious diseases. The company specializes in the discovery and advancement of novel antiviral compounds, leveraging cutting-edge research to address unmet medical needs. With a commitment to improving patient outcomes, Presidio aims to bring transformative treatments to market through rigorous scientific exploration and collaboration.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#378 in San Francisco, CA

#6,061 in California

#25,557 in US

#48,163 in the World

San Francisco, CA, United States of America

Presidio Pharmaceuticals, Inc.

Forward Citations = 19

2 inventors:

Min Zhong (12 out of 41 patents)

Leping Li (12 out of 27 patents)

Min Zhong (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Presidio Pharmaceuticals, Inc.. Retrieved from https://idiyas.com/company/presidio-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]

1 patent (CIPO):

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]

2 patents (EPO):

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]