Established in 1978, YKI Patent Attorneys is a full service firm for all intellectual property matters, including patent, design, and trademark right prosecution; licensing and consultation; clearance and validity searches and opinions; and litigation support.


YKI Patent Attorneys has always strived to provide prompt and honest service to help our clients protect and use their intellectual property in a manner that suits their actual goals and business realities.
We are proud of the long and developing relationships we have established with clients and associates throughout the world, and invite you to contact us with any questions about how you or your clients can develop or protect your intellectual property in Japan.


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Power of Attorney Japanese Patent Prosecution