Methods for Generating Hematopoietic Progenitor Cells
Summary
The USPTO published patent application US20260092257A1 covering methods for generating human CD34+, CD43+, and CD90+ hematopoietic progenitor cells from hematopoietic stem cells using chemically-defined culture media. The application was filed October 2, 2025, under Application No. 19347888. Inventors include Angelica Gomes Ueltschy and Michael Elias.
What changed
The USPTO published a patent application for methods of generating hematopoietic progenitor cells (CD34+, CD43+, CD90+) from hematopoietic stem cells using chemically-defined culture media. The application covers isolated cell populations and is classified across multiple CPC codes related to cell culture, stem cells, and therapeutic compositions. The filing date was October 2, 2025.
This patent application publication serves as prior art notice to the public and competitors. Researchers and companies developing cell therapies, gene therapies, or regenerative medicine products should review the claims to assess potential freedom-to-operate implications. No compliance deadlines or regulatory requirements are associated with this publication.
What to do next
- Review patent claims for freedom-to-operate implications if developing similar cell therapy products
- Assess potential licensing opportunities if commercializing related technologies
- Update patent landscape monitoring to include this application as prior art
Archived snapshot
Apr 2, 2026GovPing 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.
METHODS AND COMPOSITIONS FOR GENERATING HEMATOPOIETIC PROGENITOR CELLS
Application US20260092257A1 Kind: A1 Apr 02, 2026
Inventors
Angelica GOMES UELTSCHY, Michael Elias
Abstract
The invention provides methods for generating human CD34+, CD43+, and CD90+ hematopoietic progenitor cells from hematopoietic stem cells. The methods include the use of chemically-defined culture media. Isolated cell populations are also provided.
CPC Classifications
C12N 5/0647 C12N 5/0018 C12N 2500/36 C12N 2501/105 C12N 2501/115 C12N 2501/125 C12N 2501/145 C12N 2501/15 C12N 2501/165 C12N 2501/2303 C12N 2501/26 C12N 2506/1353 C12N 2506/1369 C12N 2506/45 C12N 2510/00
Filing Date
2025-10-02
Application No.
19347888
Named provisions
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