On May 8, 2020 Immutep Limited (ASX: IMM; NASDAQ: IMMP) ("Immutep" or "the Company"), a biotechnology company developing novel immunotherapy treatments for cancer and autoimmune disease, reported the grant of a new patent (number 6691054) entitled "Combined Preparations for the Treatment of Cancer" by the Japanese Patent Office (Press release, Immutep, MAY 8, 2020, View Source [SID1234557346]).

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This Japanese patent follows the grant of the corresponding European and Australian patents (announced 23 May 2019 and 21 June 2019, respectively) and protects Immutep’s intellectual property relating to combined therapeutic preparations comprising its lead active immunotherapy candidate eftilagimod alpha ("efti" or "IMP321") and a chemotherapy agent. The chemotherapy agent is oxaliplatin, carboplatin, or topotecan.

The new patent highlights the broad potential of efti as an immunostimulant and provides patent protection in Japan for a range of novel and highly relevant chemo-immunotherapies featuring efti that may be pursued in the future.

The patent expiry date is 19 December 2034.