US Patent

US9956205 — Polymorphic forms of 2-(5-bromo-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)acetic acid and uses thereof

Method of Use · Assigned to Ardea Biociences Inc · Expires 2031-12-28 · 6y remaining

Vulnerability score 68/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects crystalline polymorph forms of a specific compound and their uses in treating various diseases and conditions.

USPTO Abstract

Crystalline polymorph forms of 2-(5-bromo-4-(4-cyclopropyl naphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)acetic acid are described. Pharmaceutical compositions and the uses of such compounds, compound forms, and compositions for the treatment of a variety of diseases and conditions are also presented.

Drugs covered by this patent

Aloprim (ALLOPURINOL) · Casper Pharma Llc
Zurampic (LESINURAD) · Ironwood Pharms Inc

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-2104`	—	Aloprim
`U-2311`	—	Zurampic
`U-2104`	—	Aloprim

Patent Metadata

Patent number: US9956205
Jurisdiction: US
Classification: Method of Use
Expires: 2031-12-28
Drug substance claim: No
Drug product claim: No
Assignee: Ardea Biociences 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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