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Washington University Patent for Toxoplasma Gondii Treatment Compounds

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

The USPTO granted Patent US12600727B2 to Washington University on April 14, 2026, covering compounds and methods for treating infections caused by Toxoplasma gondii and related parasites. The patent includes 18 claims and lists inventors L. David Sibley, Joshua Radke, Eamon Comer, Marshall Morningstar, and Bruno Melillo. This grant provides Washington University with exclusive intellectual property rights for the developed antiparasitic compounds and their pharmaceutical applications.

What changed

The USPTO granted Patent US12600727B2 to Washington University for compounds useful in treating infections caused by Toxoplasma gondii and closely related parasites. The patent covers the compounds themselves, their pharmaceutically acceptable salts, pharmaceutical compositions including veterinary compositions, and methods of treatment and/or prophylaxis. The patent was filed on September 18, 2019, under CPC classifications C07D 487/04, A61P 33/10, and A61K 31/505.

For affected parties in the pharmaceutical and biotechnology sectors, this patent grant establishes intellectual property protection that may influence research directions, partnership opportunities, and licensing negotiations related to antiparasitic drug development. Companies developing competing treatments for T. gondii infections should assess potential infringement risks and freedom-to-operate considerations.

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Archived snapshot

Apr 15, 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

Treatment of infections of toxoplasma gondii and closely related parasites

Grant US12600727B2 Kind: B2 Apr 14, 2026

Assignee

WASHINGTON UNIVERSITY

Inventors

L. David Sibley, Joshua Radke, Eamon Comer, Marshall Morningstar, Bruno Melillo

Abstract

Provided herein are compounds useful for the treatment of diseases caused by infections of T. gondii, and closely related parasites. These compounds, as well as pharmaceutically acceptable salts thereof may be formulated in pharmaceutical compositions including veterinary compositions and may be used in methods of treatment and/or prophylaxis of disease.

CPC Classifications

C07D 487/04 A61P 33/10 A61K 31/505

Filing Date

2019-09-18

Application No.

17276997

Claims

18

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Last updated

Classification

Agency
USPTO
Published
April 14th, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
US12600727B2

Who this affects

Applies to
Pharmaceutical companies Drug manufacturers Clinical investigators
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Patent licensing Pharmaceutical R&D Drug development
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Regulatory Affairs
Topics
Pharmaceuticals Public Health Healthcare

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