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For the Inventor, By the Inventor

Corvallis, OR, United States of America

Siga Technologies Inc.


USPTO Granted Patents = 58

% Expired Patents = 44.8



Trademarks = 7

Forward Citations = 253

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38 inventors (with patents filed for the assignee):

goldMedal Dennis E Hruby (43 out of 52 patents)

silverMedal Dongcheng Dai (33 out of 52 patents)

bronzeMedal Tove C Bolken (20 out of 24 patents)

4.  Shanthakumar R Tyavanagimatt (19 out of 19 patents)

5.  Sean M Amberg (13 out of 19 patents)

6.  Robert Jordan (13 out of 25 patents)

7.  Thomas R Bailey (13 out of 56 patents)

8.  William C Weimers (12 out of 12 patents)

9.  Melialani A C L S Anderson (10 out of 10 patents)

10.  N K Peter Samuel (9 out of 10 patents)

11.  Susan R Rippin (8 out of 30 patents)

12.  Dylan Nelson (7 out of 7 patents)

13.  Michael H O'Neill (7 out of 10 patents)

14.  Gary Sweetapple (7 out of 7 patents)

15.  Kelley A McCloughan (7 out of 7 patents)


Core Competencies:
Tecovirimat
Dengue Virus
Arenavirus
Polymorphic Forms
Suspension Formulations
Antiviral Compounds
Micronized Preparation
Hemorrhagic Fever
Orthopoxvirus
Small Molecule Inhibitors
Pharmaceutical Compositions

58 patents:

1. 12433868 - Polymorphic forms of ST-246 and methods of preparation (2025-10-07),
2. 11890270 - Polymorphic forms of ST-246 and methods of preparation (2024-02-06),
3. 11779566 - ST-246 (tecovirimat monohydrate) suspension formulations (2023-10-10),
4. 11433051 - ST-246 (tecovirimat monohydrate) suspension formulations (2022-09-06),
5. 10933050 - Polymorphic forms of ST-246 and methods of preparation (2021-03-02),
6. 10864282 - ST-246 liquid formulations and methods (2020-12-15),
7. 10716759 - Rehydration of micronized tecovirimat monohydrate (2020-07-21),
8. 10662155 - Methods of preparing tecovirimat (2020-05-26),
9. 10576165 - ST-246 liquid formulations and methods (2020-03-03),
10. 10406137 - Polymorphic forms of ST-246 and methods of preparation (2019-09-10),
11. 10406103 - Rehydration of micronized tecovirmimat monohydrate (2019-09-10),
12. 10155723 - Methods of preparing tecovirimat (2018-12-18),
13. 10124071 - ST-246 liquid formulations and methods (2018-11-13),
14. 10045964 - Polymorphic forms of ST-246 and methods of preparation (2018-08-14),
15. 10045963 - Amorphous Tecovirimat preparation (2018-08-14),
Company Overview
Siga Technologies Inc., based in Corvallis, Oregon, specializes in the development of antiviral drugs, focusing on innovative treatments for viral infections. The company is particularly known for its work on Tecovirimat, a therapeutic agent designed to combat orthopoxviruses, and its research extends to other viral threats such as the Dengue virus and Arenaviruses. Siga's expertise includes the formulation of antiviral compounds, exploring polymorphic forms, and developing suspension formulations to enhance drug efficacy and delivery.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Siga Technologies Inc. USPTO Patent Assignee Logo
58 Patents

#5 in Corvallis, OR

#72 in Oregon

#6,161 in US

#12,407 in the World

Corvallis, OR (US)
Corvallis, OR, United States of America

Siga Technologies Inc.

Forward Citations = 253

38 inventors:

goldMedal Dennis E Hruby (43 out of 52 patents)

silverMedal Dongcheng Dai (33 out of 52 patents)

bronzeMedal Tove C Bolken (20 out of 24 patents)

4.  Shanthakumar R Tyavanagimatt (19 out of 19 patents)

5.  Sean M Amberg (13 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Siga Technologies Inc.. Retrieved from https://idiyas.com/company/siga-technologies

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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