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Engineered immune cells with micro-clusters

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Summary

USPTO granted patent US12595291B2 to A2 Biotherapeutics, Inc. covering engineered immune cells comprising activating and blocking receptors that form micro-clusters upon contacting target or non-target cells. The patent contains 16 claims and names Alexander Kamb as inventor, with the application originally filed on September 21, 2021.

What changed

USPTO issued patent grant US12595291B2 to A2 Biotherapeutics, Inc. for engineered immune cells with micro-clusters. The patent covers immune cells comprising both activating and blocking receptors that self-assemble into micro-clusters when contacting target or non-target cells, with applications in cell-based therapies.

For A2 Biotherapeutics and competitors in the cell therapy space, this patent establishes intellectual property protection for micro-cluster formation in engineered immune cells. Parties developing similar cell engineering technologies should conduct freedom-to-operate analyses to avoid infringement. The patent holder gains exclusive rights to commercialize products embodying the claimed engineered immune cells and associated methods.

What to do next

  1. Monitor patent maintenance deadlines
  2. Review commercialization freedom to operate

Archived snapshot

Apr 7, 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

Engineered immune cells with micro-clusters

Grant US12595291B2 Kind: B2 Apr 07, 2026

Assignee

A2 BIOTHERAPEUTICS, INC.

Inventors

Alexander Kamb

Abstract

The present disclosure provides engineered immune cells and methods for their creation and use. The immune cells comprise activating and blocking receptors, which form into micro-clusters upon contacting a target or non-target cell.

CPC Classifications

C12N 5/0637 A61K 35/17

Filing Date

2021-09-21

Application No.

17480487

Claims

16

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Last updated

Classification

Agency
USPTO
Published
April 7th, 2026
Instrument
Notice
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
US12595291B2

Who this affects

Applies to
Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Patent commercialization Cell therapy development
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals

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