Japan - Domestic Kan Otani

Managing Attorney - Roppongi dori Patent Attorneys

As founder of Roppongi dori Patent Attorneys, Kan Otani works mainly with start-ups and venture capital-backed companies, as well as innovative listed companies.

Mr Otani specialises in patent prosecution for start-ups and focuses on the enforceability of patents drawing on his extensive experience in patent litigation and disputes. He has worked with clients from Japan, Korea, the United States and France in litigation and disputes in a wide range of technical fields, including electronics, communication, software and optics.

Mr Otani also has experience in patent due diligence for billion-dollar M&A and licensing activities for standard-essential patents. He has dealt with all IP matters faced in the establishment and growth of start-ups.

Mr Otani regularly meets with new start-up companies and is well acquainted with the way start-ups and venture capital companies operate. He endeavours to fully understand every client’s business and utilises his scientific background to grasp the technology at issue in every case.

After studying applied physics at Keio University in Tokyo, Mr Otani studied at Harvard University and received his MSc in applied physics in 2005. His experimental research topic involved nanoscale materials science and condensed matter physics.

Mr Otani joined a patent prosecution firm in 2006 and then moved to a large general law firm where he expanded his practice to enforcement. He joined an IP boutique firm in 2012 and then founded Roppongi dori Patent Attorneys in 2017

Professional associations

  • AIPPI Japan
  • JPPA
  • Tokyo IP American Inn of Court

Firm details

Roppongi dori Patent Attorneys
Roppongi Denki Building 7th Floor 6-1-20 Roppongi Minato-Ku Tokyo 106-0032 Japan

Contact details

E: contact@roppp.jp
T: +81 368 902 100
W: www.roppp.jp/article/profile-english/


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Issue 89