Yasuaki Koshiro

Yasuaki Koshiro LL.M.

Master of Laws (LL. M.), B.Eng.

Manager of Japan Division

Japanese Patent Attorney

Fields of expertise Chemistry
Computer Science
Electrical Engineering / IT
Mechanical Engineering


My Focus

is on international patent practice, including application, prosecution, opposition, appeal, litigation, and freedom-to-operate opinions in a variety of countries.

My clients

are global companies in the variety of technical fields.

In my spare time

I like to exercise, cook, and play with my kids.

My education in short

  • Studies of engineering at Saitama University in Japan.
  • Master of Laws program in Intellectual Property and Competition Law (LL.M.), at Munich Intellectual Property Law Center in the Max Planck Institute for Innovation and Competition in Munich.
  • Professional experience as systems engineer at a system integrator in Japan and as patent attorney at a law firm in Japan.
  • Training at Siemens Technology Accelerator GmbH in Munich and at One Legal LLC in Singapore.
  • I have been working in the field of intellectual property law since 2006.
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