US Patent

US9522155 — Synthetic bile acid compositions and methods

Method of Use · Assigned to Kythera Biopharmaceuticals LLC · Expires 2028-02-21 · 2y remaining

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

What this patent protects

This patent protects synthetic compositions of deoxycholic acid and related compounds that are free of animal and pyrogenic moieties.

USPTO Abstract

Bile acids and related compositions and methods of synthesis and use. More specifically, deoxycholic acid and related compositions, said compositions being free of all moieties of animal origin and free of pyrogenic moieties.

Drugs covered by this patent

Kybella (DEOXYCHOLIC ACID) · AbbVie

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-1940`	—	Kybella

Patent Metadata

Patent number: US9522155
Jurisdiction: US
Classification: Method of Use
Expires: 2028-02-21
Drug substance claim: No
Drug product claim: Yes
Assignee: Kythera Biopharmaceuticals LLC
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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