John A. Tessensohn* LL.B. (Hons.), LL.M cum laude

Japanese Contributor

John is a foreign attorney-at-law at SHUSAKU·YAMAMOTO, Osaka. His practice covers all aspects of technology-related and internet-related legal matters including complex agreements for technology services, cybersecurity, outsourcing, software development and distribution, inbound and outbound licensing agreements, creation and use of software (including open source software), mobile apps (B2C and B2B), websites, hosted services and cloud computing, use of social media and user generated content, FinTech, distribution of online content, technology systems, insourcing, e-Commerce, terms and advice related to the Internet of Things (IoT), IT licensing, international intellectual property, patent, trademark & IP litigation, client software and web site terms of use, cryptography and digital signature issues, development agreements, privacy advisory services and compliance, software component licensing, web site privacy statements, web site co-branding and advertising agreements and international commercial transactions & complex litigation.

He has studied at National University of Singapore and Fordham University School of Law, USA. He is an admitted Attorney and Counsellor at Law, Supreme Court of the State of New York (2000) and Advocate & Solicitor, Supreme Court of the Republic of Singapore (1993).

Publications: John A. Tessensohn has authored numerous articles that were published in Franklin Pierce Law Center’s IDEA – The Intellectual Property Law Review, George Mason University’s Journal of International Legal Studies, University of Georgia’s Journal of Intellectual Property, University of Hawaii’s Asian-Pacific Law & Policy Journal, Journal of the Patent & Trademark Office Society, European Intellectual Property Review, Journal of Intellectual Property Law & Practice, Tissue Engineering,  Modified Release Drug Delivery Technology, NATURE Biotechnology, Biotechnology Law Report, Entertainment Law Review, Journal of BioLaw & Business, Journal of International Biotechnology Law, CIPA Journal, ITMA Review, Journal of the Intellectual Property Society of Australia and New Zealand, Managing Intellectual Property, Patent World, Trademark World, The Australian & New Zealand Grapegrower & Winemaker and World Intellectual Property Report.

* The contributors wish to thank Idaka Masato, Chida Fumiaki, Honda Akito, Kosuke Masuda, Louisa Ng, Pristy Benjamin and Tiyana Pertiwi for all their assistance and help. Any questions about the Japan-related contribution should be e-mailed to John A. Tessensohn at This Japan-related contribution reflects only the personal views of the contributors & should not be attributed to the contributors’ Firm or to any of its present or future clients.

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