Last Updated: September 24, 2026

Details for Patent: 8,039,504


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Which drugs does patent 8,039,504 protect, and when does it expire?

Patent 8,039,504 protects TPOXX and is included in two NDAs.

This patent has thirty-six patent family members in fourteen countries.

Summary for Patent: 8,039,504
Title:Chemicals, compositions, and methods for treatment and prevention of orthopoxvirus infections and associated diseases
Abstract:Methods of using di, tri, and tetracyclic acylhydrazide derivatives and analogs, as well as pharmaceutical compositions containing the same, for the treatment or prophylaxis of viral infections and diseases associated therewith, particularly those viral infections and associated diseases cased by the orthopoxvirus.
Inventor(s):Robert F. Jordan, Thomas R. Bailey, Susan R. Rippin, Dongcheng Dai
Assignee: Siga Technologies Inc
Application Number:US11/785,998
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form;

Drugs Protected by US Patent 8,039,504

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Siga Technologies TPOXX tecovirimat CAPSULE;ORAL 208627-001 Jul 13, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Siga Technologies TPOXX tecovirimat SOLUTION;INTRAVENOUS 214518-001 May 18, 2022 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 8,039,504

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1638938 ⤷  Start Trial 301177 Netherlands ⤷  Start Trial
European Patent Office 1638938 ⤷  Start Trial 2022C/521 Belgium ⤷  Start Trial
European Patent Office 1638938 ⤷  Start Trial 122022000032 Germany ⤷  Start Trial
European Patent Office 1638938 ⤷  Start Trial 2290024-5 Sweden ⤷  Start Trial
European Patent Office 1638938 ⤷  Start Trial C202230021 Spain ⤷  Start Trial
Australia 2004249250 ⤷  Start Trial
Australia 2007351866 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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