US Patent

US11534444 — Treatment of SMA

Method of Use · Assigned to Hoffmann La Roche Inc · Expires 2038-10-04 · 12y remaining

Vulnerability score 70/100 Vulnerable — likely target for IPR or design-around

What this patent protects

This patent protects the use of 7-(4,7-diazaspiro[2.5]octan-7-yl)-2-(2,8-dimethylimidazo[1,2-b]pyridazin-6-yl)pyrido[1,2-a]pyrimidin-4-one for treating spinal muscular atrophy (SMA).

USPTO Abstract

The present invention relates to 7-(4,7-diazaspiro[2.5]octan-7-yl)-2-(2,8-dimethylimidazo[1,2-b]pyridazin-6-yl)pyrido[1,2-a]pyrimidin-4-one for use in the treatment of spinal muscular atrophy (SMA), its pharmaceutical composition to be used in the treatment of SMA, its methods of treatment thereof.

Drugs covered by this patent

Evrysdi (RISDIPLAM) · Roche

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-1943`	—	Evrysdi
`U-1943`	—	Evrysdi

Patent Metadata

Patent number: US11534444
Jurisdiction: US
Classification: Method of Use
Expires: 2038-10-04
Drug substance claim: No
Drug product claim: No
Assignee: Hoffmann La Roche 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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