Career: we are looking for a Technical Translator
and find out the latest news about IP in Japan, and the events we are attending.


Our latest Newsletter is now available! Click here:

Changes in extensions for responding to Notices of Reasons for Rejection (PDF)

September 2015: American and Chinese tour

November 2015: European tour

Do not hesitate to contact us if you wish to meet with us during our trips.

Change of legal status of Sonoda & Kobayashi  ►See


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Marcus Evans IP Law Summits
US, Miami, September 20-22 
Portugal, November 23-24

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SONODA & KOBAYASHI, an intellectual property law firm, offers dependable legal services for intellectual property in Japan.

Our multinational team of 80 experts in technology, law, languages and international communication has served companies from around the world and has gained a reputation for thoroughness and reliability. 

Our high standards, expertise and team work have defined us since the founding of our firm in 1998.


Honest discussions and rich communication, which are rarely found at law firms in Japan, are deeply embedded in the culture of our firm.

This is because we have a multinational staff and because our members were scientists before they became patent attorneys. 

This atmosphere is the key, we believe, for being able to give legal advice of real valueOur clients enjoy stress-free communication, which gives them an edge over competitors.


Shinjuku Mitsui Building suite 3401
2-1-1 Nishi-Shinjuku, Shinjuku-ku
Tokyo, Japan

Telephone: +81-3-5339-1093
Fax: +81-3-5339-1094
Postal code: 163-0434

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