Chika (Teranishi) Iitoyo is an attorney in Oblon’s Chemical Patent prosecution practice group. Her practice focuses on patent prosecution, legal opinions and client counseling for both domestic and international clients in pharmaceuticals, cosmetics, agrichemicals, resins, alloys, polymers, and semiconductors. Ms. Iitoyo holds a Juris Doctor degree, from University of New Hampshire School of Law, and another Juris Doctor from the University of Tokyo School of Law. This educational background provides her with a unique ability to assist clients in international intellectual property law transactions.

Prior to joining Oblon, Ms. Iitoyo engaged in patent searching and technology transfer with the International Technology Transfer Institute of Franklin Pierce Law Center. While there, she contributed to a project in which extensive patent services were conducted and the educational report, Patent Landscape of Protein/Peptide Vaccines for HIV, was compiled.


  • University of New Hampshire School of Law (J.D.)
    • formerly Franklin Pierce Law Center
  • University of Tokyo School of Law (J.D.)
  • Kyoto University (M.S.)
    • Agricultural Science
  • Kyoto University (B.S.)
    • Agricultural Science


  • New York
  • Japan Patent Office (qualified)


  • DNA polymorphism in the Superwoman (SPW1)locus of the wild rice Oryza rufipogon and its related species,”Teranishi, C., Yoshida, K., Miyashita, N.T., Genes Genet. Syst. (2008) 83, p. 403-415.


  • Japanese

Professional Affiliations

  • American Intellectual Property Law Association (AIPLA)