In September, the United States Patent and Technology Office announced that on July 27th 2021, the founders of PolTREG S.A. were granted of the patent entitled “In vitro method of expansion of CD4 + FoxP3 + regulatory T cells” (US Patent No. 11,072,779). The company has an exclusive patent license.

Photo shows prof. Natalia Marek-Trzonkowska with the patent.