US Patent

US11963952 — Anti-androgens for the treatment of metastatic castration-sensitive prostate cancer

Method of Use · Assigned to Aragon Pharmaceuticals Inc · Expires 2040-01-30 · 14y remaining

Vulnerability score 75/100 Vulnerable — likely target for IPR or design-around

What this patent protects

This patent protects methods of treating metastatic castration-sensitive prostate cancer with anti-androgens, including the drug 4-[7-(6-cyano-5-trifluoromethylpyridin-3-yl)-8-oxo-6-thioxo-5,7-diazaspiro[3.4]oct-5-yl]-2-fluoro-N-methylbenzamide.

USPTO Abstract

Described herein are methods of treating metastatic castration-sensitive prostate cancer with anti-androgens, including but not limited to, 4-[7-(6-cyano-5-trifluoromethylpyridin-3-yl)-8-oxo-6-thioxo-5,7-diazaspiro[3.4]oct-5-yl]-2-fluoro-N-methylbenzamide.

Drugs covered by this patent

Erleada (apalutamide) · Johnson & Johnson

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

Code	Description	Drug
`U-3901`	—	Erleada
`U-3901`	—	Erleada

Patent Metadata

Patent number: US11963952
Jurisdiction: US
Classification: Method of Use
Expires: 2040-01-30
Drug substance claim: No
Drug product claim: No
Assignee: Aragon Pharmaceuticals Inc
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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