Sonoda and Kobayashi


Shinjuku Mitsui Building, Suite 3401
2-1-1 Nishi Shinjuku, Shinjuku-ku,
Tokyo, 163-0434



Key contacts:

International Affairs : Alison Santino
Contact this Practitioner

Quick facts:

Japanese Patent Attorneys: 20
Engineers: 17
PhDs: 16
Directors: 3
Partners: 5
US Attorney: 1
US Patent Attorney: 1
Chinese Patent Attorney: 1
Australian Lawyer: 1
Technical translators: 23
Languages: Japanese, English, Chinese, French, German, Dutch, Italian, Russian and Uzbek

Sonoda & Kobayashi Intellectual Property was founded March 1998, with the specific intention of creating a Japanese IP law firm with a global mindset, to foster stress-free communication and to provide exceptional services. In 2021, Sonoda & Kobayashi Intellectual Property opened its new office in Beijing to serve our clients seeking Intellectual Property protection in China.

We believe that clear communication and transparency are the keys to mutual understanding. By adopting this unique working style, combined with expertise in Intellectual Property Law and Technology, Sonoda & Kobayashi has become the representative for many leading global and domestic companies in a wide spectrum of activities, becoming one of the most trusted firms in Asia for the prosecution and enforcement of intellectual property rights.

  • Aviation and shipping
  • Consumer goods and services
  • Energy
  • Industrials and manufacturing
  • Infrastructure
  • Materials
  • Media and entertainment
  • Mining
  • Oil and gas
  • Pharmaceuticals and life sciences
  • Technology and telecommunications

China office
Xihongmen Innovation Service Center 
8 Hongfu Road 
Daxing District, Beijing