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Pyrimidine-Nitrogen Bicyclic IRAK-4 Inhibitor Compound Patent

Favicon for changeflow.com USPTO Patent Grants - Organic Chemistry (C07D)
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Summary

USPTO granted patent US12590090B2 to Asahi Kasei Pharma Corporation covering pyrimidine-and nitrogen-containing bicyclic compounds with IRAK-4 inhibitory activity. The patent, with 35 claims filed on September 30, 2020, protects compounds useful for prophylactic and therapeutic treatment of diseases relating to IRAK-4 inhibition.

Published by USPTO on changeflow.com . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

What changed

USPTO issued patent US12590090B2 to Asahi Kasei Pharma Corporation for a novel class of pyrimidine-and nitrogen-containing bicyclic compounds functioning as IRAK-4 inhibitors. The patent lists 35 claims covering compounds represented by general formula (1) and their salts, with eight inventors including Koichiro Arai, Kenichiro Takaba, and Andrew John Potter. CPC classification falls under C07D 471/04.

This patent grant establishes intellectual property protection for Asahi Kasei Pharma's IRAK-4 inhibitor compounds, potentially blocking competitors from developing similar therapeutic candidates. Pharmaceutical companies researching IRAK-4 inhibitors for inflammatory or autoimmune disease applications should conduct freedom-to-operate analyses before advancing related programs.

Archived snapshot

Mar 31, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Grants

Pyrimidine-and nitrogen-containing bicyclic compound

Grant US12590090B2 Kind: B2 Mar 31, 2026

Assignee

ASAHI KASEI PHARMA CORPORATION

Inventors

Koichiro Arai, Kenichiro Takaba, Masakazu Atobe, Misato Takashima, Naomi Aono, Andrew John Potter, Daniel Paul Maddox

Abstract

A compound represented by the general formula (1) or a salt thereof, which has a superior IRAK-4 inhibitory activity, and is useful as active ingredients of medicaments for prophylactic treatment and/or therapeutic treatment of diseases relating to IRAK-4 inhibition.

CPC Classifications

C07D 471/04

Filing Date

2020-09-30

Application No.

18029289

Claims

35

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Last updated

Classification

Agency
USPTO
Published
March 31st, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US12590090B2

Who this affects

Applies to
Pharmaceutical companies Drug manufacturers
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Pharmaceutical Patent Issuance
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals Healthcare

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