Masato Iida

Vice President
Patent Attorney
Technical Expert

Practice Areas

Chemistry, Biotechnology, and Pharmaceuticals
IP Legal Services


Ph.D., Graduate School of Agricultural and Life Sciences, The University of Tokyo

Professional Background

MSD K.K. (formerly Banyu Pharmaceutical Co., Ltd.)


Prosecution, trials for invalidation, and suits against trial decisions


Iida, M., Matsuda, M., Komotani H., (2008) Plk3 phosphorylates topoisomerase ll alpha at Thr(1342)–a site not recognized by Plk1, Biochem J., 411(1):27-32

Iida, M., Sasaki, T., Komatani, H., (2009) Overexpression of Plk3 causes morphological change and cell growth suppression in ras pathway-activated cells, J Biochem., 146(4):501-7

Iida, M., (2016) Experimental Medicine: Supplementary Volume, Standards for mouse phenotyping, Patents and laws relating to CRISPR/Cas9, Yodosha Co., Ltd., 97-98Iida, M., (2018) Experimental Medicine, Breadth of claims related to antibody drugs as considered based on the judgment of Amgen Inc. v. Sanofi S.A., Yodosha Co., Ltd., Vol. 36, No. 9 1490-1491





Dr. Iida is qualified to represent parties in court in IP litigation.  He specializes in biochemistry, molecular biology, and pharmaceuticals.  Dr. Iida has experience constructing target screening systems and evaluation systems for anti-cancer agents (both cell-based and cell-free systems).

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