Changeflow GovPing Pharma & Drug Safety USPTO Patent Grant: IL-15 Humanized Mouse Model
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USPTO Patent Grant: IL-15 Humanized Mouse Model

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Published March 24th, 2026
Detected March 24th, 2026
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Summary

The USPTO has granted patent US12582106B2 for an IL-15 humanized mouse model and its use, assigned to GEMPHARMATECH CO., LTD. The patent details a specific genetic modification of the mouse, combining human and mouse gene segments, and outlines its preparation and application, particularly in cancer research.

What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12582106B2 to GEMPHARMATECH CO., LTD. This patent covers a novel IL-15 humanized mouse model, which incorporates a hybrid gene structure with both human and mouse IL-15 gene segments. The patent abstract specifies that the human gene segment includes parts of exons 4 through 8, while the mouse gene segment includes exons 1 through 3. The grant also includes methods for preparing this mouse model and its specific uses, particularly in the context of disease research.

This patent grant signifies the protection of intellectual property related to a specific biotechnological tool. While it does not impose direct compliance obligations on other entities, it establishes exclusive rights for the assignee. Companies involved in pharmaceutical research, particularly those developing therapies related to IL-15 or utilizing mouse models for preclinical studies, should be aware of this patent to avoid potential infringement. The filing date for this patent was December 24, 2020, and it was granted on March 24, 2026.

Source document (simplified)

← USPTO Patent Grants

IL-15 humanized mouse model and use thereof

Grant US12582106B2 Kind: B2 Mar 24, 2026

Assignee

GEMPHARMATECH CO., LTD.

Inventors

Cunxiang Ju, Weiwei Yu, Mingkun Zhang, Hongyan Sun, Dingyu Wang

Abstract

Provided are a mouse and a functional activity part thereof, comprising a humanized IL-15 gene; the humanized IL-15 gene comprises a human IL-15 gene segment and a mouse IL-15 gene segment, the human IL-15 gene segment comprises at least a part of exon 4, exon 5, exon 6, exon 7 and exon 8 of the human IL-15 gene, and the mouse IL-15 gene segment comprises exon 1, exon 2 and exon 3 of the mouse IL-15 gene. Also provided are a preparation method and use of the mouse.

CPC Classifications

A01K 67/027 A01K 2217/072 A01K 2217/15 A01K 2227/105 A01K 2267/02 A01K 2267/0368 A01K 67/0275 A61K 49/00 A61K 49/0008 A61P 35/00 C07K 14/54 C07K 14/5443 C12N 15/1136 C12N 2310/20

Filing Date

2020-12-24

Application No.

17764791

Claims

16

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Named provisions

IL-15 humanized mouse model and use thereof

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
USPTO
Published
March 24th, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
US12582106B2

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology
Activity scope
Biotechnology Research Drug Development
Geographic scope
United States US

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Topics
Biotechnology Intellectual Property

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