EPO Patents = 1

Trademarks = 3

Forward Citations = 49

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3 inventors (with patents filed for the assignee):

William A Carter (9 out of 22 patents)

David Strayer (6 out of 6 patents)

Leo Einck (1 out of 7 patents)

10 patents: Sort by Forward Citations

1. 9315538 - Double-stranded ribonucleic acids with rugged physico-chemical structure and highly specific biologic activity (2016-04-19),

2. 8722874 - Double-stranded ribonucleic acids with rugged physico-chemical structure and highly specific biologic activity (2014-05-13),

3. 8075878 - Broad spectrum immune and antiviral gene modulation by oral interferon (2011-12-13),

4. 8075877 - Broad spectrum immune and antiviral gene modulation by oral interferon (2011-12-13),

5. 7943147 - dsRNAs as influenza virus vaccine adjuvants or immuno-stimulants (2011-05-17),

6. 7678774 - Treating severe acute respiratory syndrome (2010-03-16),

7. 5958718 - Diagnosis and treatment of neuro-cognitive disorders associated with (1999-09-28),

8. 5763417 - Protection from septic shock subsequent to injury by dsRNAs (1998-06-09),

9. 5683986 - Elaboration of host defense mediators into biological fluids by systemic (1997-11-04),

10. 5593973 - Treatment of viral hepatitis with mismatched dsRNA (1997-01-14),

Company Overview

Hemispherx Biopharma is a biopharmaceutical company based in Philadelphia, PA, specializing in the development of innovative therapies for the treatment of viral diseases and cancer. The organization focuses on leveraging its proprietary technologies to create immune-enhancing products, particularly in the realm of immunotherapy. With a commitment to advancing healthcare solutions, Hemispherx aims to address unmet medical needs through its research and development efforts in the biopharmaceutical sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#99 in Philadelphia, PA

#1,084 in Pennsylvania

#29,866 in US

#56,047 in the World

Philadelphia, PA, United States of America

Hemispherx Biopharma

Forward Citations = 49

3 inventors:

William A Carter (9 out of 22 patents)

David Strayer (6 out of 6 patents)

Leo Einck (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hemispherx Biopharma. Retrieved from https://idiyas.com/company/hemispherx-biopharma

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 (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]