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Patent & Trademark Law

Who We Are

SHIMOKAJI IP is an intellectual property law firm near Irvine, Orange County, California. Our expertise is in patent and trademark matters. Clients describe us as trusted and reliable.

What We Do


 We strategically create and protect your inventions and brands. Our representations reach across the US, Asia and other countries abroad. We have helped:

2000+ entrepreneurs/startups

12+ Fortune 500 companies


How We Do It

Our commitment to you is exceptional client service.


Free Consultation

Get answers to your patent and trademark questions. Contact us for a free consultation.


Contact Us

8911 Research Drive

Irvine, Orange County, CA 92618

(p) 949-788-9988

(f) 949-830-3310


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