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Nucleic Acid Complexes with Cationic/Anionic Polymers and RNA Molecules

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Summary

The USPTO published patent application US20260096998A1 for nucleic acid complexes comprising cationic polymers, anionic polymers, and monomeric RNA molecules. The disclosed complexes feature a core structure where the cationic polymer and RNA molecule are encapsulated by the anionic polymer. The application covers linear and non-linear configurations of these complexes for therapeutic uses.

What changed

The USPTO published a patent application disclosing nucleic acid complexes comprising cationic polymers, anionic polymers, and monomeric RNA molecules. The disclosed invention describes complexes where a cationic polymer and RNA molecule form a core complex that is encapsulated by an anionic polymer, with both linear and non-linear configurations covered. CPC classifications indicate applications in pharmaceutical formulations, drug delivery, and therapeutic RNA technologies.

For pharmaceutical companies and biotech firms developing RNA-based therapeutics or drug delivery systems, this patent application represents potential IP that could affect freedom-to-operate analysis. Parties conducting research in nucleic acid delivery, polymer-based encapsulation, or mRNA formulation should monitor the prosecution of this application to assess potential licensing needs or design-around considerations.

What to do next

  1. Monitor patent prosecution status
  2. Review claims for potential licensing opportunities
  3. Assess freedom-to-operate implications

Archived snapshot

Apr 14, 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 Applications

NUCLEIC ACID COMPLEXES AND USES THEREOF

Application US20260096998A1 Kind: A1 Apr 09, 2026

Inventors

Jorge Moreno Herrero, Heinrich Haas, Stephanie Erbar, Theo Benjamin Stahl

Abstract

The present disclosure provides complexes and methods of use. In some embodiments, a complex described herein is a complex comprising a cationic polymer, an anionic polymer, and a monomeric RNA molecule, wherein the cationic polymer and the monomeric RNA molecule form a core complex encapsulated by the anionic polymer. In some embodiments, a complex comprises a linear cationic polymer, an anionic polymer, and a monomeric RNA molecule, wherein the cationic polymer and the monomeric RNA molecule form a core complex encapsulated by the anionic polymer.

CPC Classifications

A61K 9/5123 A61K 31/7105 A61K 47/22 A61K 47/26 A61K 47/64 A61K 47/6935 C12N 15/67 C12N 15/88 B82Y 5/00

Filing Date

2023-09-26

Application No.

19114817

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Named provisions

Abstract CPC Classifications Filing Date Application No.

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Last updated

Classification

Agency
USPTO
Published
April 9th, 2026
Instrument
Notice
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
US20260096998A1

Who this affects

Applies to
Pharmaceutical companies Researchers and developers Manufacturers
Industry sector
3254.1 Biotechnology
Activity scope
Patent prosecution Biotech research Drug formulation
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals Healthcare

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