Methods of Preventing Platelet Alloimmunization and Alloimmune Platelet Refractoriness in Transfused Recipients
Summary
USPTO granted patent US12599667B2 to BLOODWORKS for methods of preventing platelet alloimmunization and alloimmune platelet refractoriness in transfused recipients. The patent covers modifying donor whole blood or platelets prior to transfusion to prevent or reduce transfusion-associated complications. The patent includes 15 claims and was filed on September 28, 2022.
What changed
USPTO issued patent grant US12599667B2 to BLOODWORKS for methods of preventing platelet alloimmunization and alloimmune platelet refractoriness in transfused recipients. The invention involves modifying donor whole blood or platelets prior to transfusion to prevent or reduce complications associated with platelet transfusion. The patent was granted on April 14, 2026, with 15 claims. CPC classifications indicate the patent relates to medical device technology for handling and treating blood components.
For healthcare providers and blood banking facilities, this patent establishes intellectual property rights that may affect how platelet transfusion methods are practiced. The patent covers therapeutic methods for reducing alloimmune complications in patients receiving platelet transfusions, which is relevant to transfusion medicine and blood banking services. Parties developing similar methods or technologies should review potential patent claims for licensing or design-around considerations.
Archived snapshot
Apr 18, 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 of preventing platelet alloimmunization and alloimmune platelet refractoriness and induction of tolerance in transfused recipients
Grant US12599667B2 Kind: B2 Apr 14, 2026
Assignee
BLOODWORKS
Inventors
Sherrill J. Slichter
Abstract
Methods and compositions for the prevention or reduction of platelet transfusion associated complications are provided. The subject methods include modifying donor whole blood or platelets prior to transfusion to prevent or reduce alloimmune platelet refractoriness.
CPC Classifications
A01N 1/124 A01N 1/168 A61K 35/14 A61K 35/19 A61K 41/10 A61K 41/17 A61L 2/0047 A61L 2/0076 A61L 2202/11 A61L 2202/22 A61M 1/0281 A61M 1/3683 A61M 2202/0427
Filing Date
2022-09-28
Application No.
17955515
Claims
15
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Source
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