High technology and life science lawyers covering your IP and business needs

Welcome to Our Firm

Chen Yoshimura LLP is a full-service intellectual property and business law boutique. We handle all matters related to patents, trademarks, copyrights, trade secrets, and unfair competition. Our clients include entrepreneurs, start-ups, emerging growth, mid-sized as well as large companies in the United States and Asia.

We establish and manage domestic and international patent and trademark portfolios, counsel clients on patent validity and infringement as well as branding analysis, negotiate technology transfer agreements, IP licenses and other related transactions, and litigate at all levels of state and federal courts as well as before the United States International Trade Commission (ITC) and the Trademark Trials and Appeals Board (TTAB). We also handle general business matters, including commercial litigation disputes.

Based in Silicon Valley and Los Angeles, Chen Yoshimura attorneys are accomplished IP and business law practitioners, who have all practiced with leading global firms as partners and senior associates.

All our attorneys are registered to practice before the United States Patent and Trademark Office. They all have advanced technical degrees and/or industry experience. Our broad technical expertise allows us to handle a wide range of technologies from electronics to life sciences.

Chen Yoshimura LLP is fine-tuned to your business needs, and resolves your legal issues by taking into account legal and business perspectives as well as practical considerations such as costs. We take pride in offering high-quality, cost-effective, dedicated and responsive services.