Last Updated: August 11, 2026

Details for Patent: 9,029,355


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Which drugs does patent 9,029,355 protect, and when does it expire?

Patent 9,029,355 protects ZTALMY and is included in one NDA.

This patent has twenty-four patent family members in fourteen countries.

Summary for Patent: 9,029,355
Title:Solid ganaxolone compositions and methods for the making and use thereof
Abstract:In certain embodiments, the invention is directed to composition comprising stable particles comprising ganaxolone, wherein the volume weighted median diameter (D50) of the particles is from about 50 nm to about 500 nm.
Inventor(s):Kenneth Shaw, Mingbao Zhang
Assignee: Immedica Pharma US Inc
Application Number:US14/087,903
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;

Drugs Protected by US Patent 9,029,355

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Immedica Pharma ZTALMY ganaxolone SUSPENSION;ORAL 215904-001 Jun 1, 2022 RX Yes Yes 9,029,355 ⤷  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 9,029,355

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1959966 ⤷  Start Trial 122024000005 Germany ⤷  Start Trial
European Patent Office 1959966 ⤷  Start Trial C202430002 Spain ⤷  Start Trial
African Regional IP Organization (ARIPO) 3071 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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