Liquid Composition Comprising Protein Patent Granted
Summary
The USPTO granted Patent US12594322B2 to Samsung Bioepis Co., Ltd. on April 7, 2026, covering a protein-stabilized liquid formulation composition. The patent includes a stabilizer and surfactant without buffer components, a protein liquid composition using this stabilization method, and a production method. The patent contains 12 claims and was filed on September 10, 2019.
What changed
USPTO issued Patent US12594322B2 to Samsung Bioepis Co., Ltd. for a liquid composition comprising protein with a stabilizer and surfactant system that excludes buffers. The patent covers the composition for protein stabilization, the protein liquid composition incorporating the stabilization composition, and the method of producing the stabilized composition. The patent contains 12 claims across pharmaceutical formulation technology.
Affected parties include Samsung Bioepis competitors developing protein-based liquid pharmaceuticals, who must now account for this patent estate in their product development and freedom-to-operate analyses. Generic and biosimilar manufacturers targeting similar formulation technologies may need to design around these claims or seek licensing arrangements with Samsung Bioepis.
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Apr 7, 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.
Liquid composition comprising protein
Grant US12594322B2 Kind: B2 Apr 07, 2026
Assignee
SAMSUNG BIOEPIS CO., LTD.
Inventors
Inae Kim, Soyun Jung, Jaemin Lee, Hun Joo Lee, Yongkook Kim
Abstract
The present invention relates to a protein-stabilized liquid formulation and provides: a composition for protein stabilization, the composition including a stabilizer and a surfactant and not including a buffer; a protein liquid composition including the composition for stabilization and a protein; and a method of producing a protein-stabilized liquid composition which uses the composition for stabilization.
CPC Classifications
A61K 47/26 A61K 47/10 A61K 9/08
Filing Date
2019-09-10
Application No.
17274834
Claims
12
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