2026
"While drafting domestic specifications in Japan for various technical fields, the firm has handled numerous international applications, including in the United States, amassing substantial achievements and experience. I greatly appreciate the depth and breadth of this experience, which gives me strong confidence in the quality and reliability of their IP litigation support.
In addition, the firm has offices in the United States and China, allowing them to actively manage and respond to international applications. This global presence, combined with their practical know-how, makes the team highly dependable, responsive, and strategically insightful in cross-border IP matters. I value their professionalism, international perspective, and consistent ability to deliver well-considered, effective solutions."
"The team has in-depth knowledge in the field and is always willing to share clear, practical advice, which makes them an absolute pleasure to work with. They are professional, proactive, and attentive to detail, and they handle issues not only accurately but also with a strong sense of responsibility. "
"In addition to Japan’s patent filings, Itoh’s IP advisory team has strong expertise in patent filings and prosecution in both the United States and China. They understand the practical differences between the two jurisdictions and provide clear, tailored advice for each market."
Tadashige Itoh
"Mr. Itoh, the president of the firm, has extensive expertise in IP matters, particularly in filing and prosecuting international applications. We frequently seek his guidance because he consistently offers client-focused, practical, and strategically sound solutions, and he excels in managing client relationships with great care and professionalism. He truly deserves to be recognized for his outstanding expertise and contribution to the field of intellectual property."
2025
"High-quality work with attention to detail."
"Reliable and experienced patent law firm with low costs."
"The firm is experienced in international patent filings, providing seamless services and prompt responses.”
“The team has an in-depth knowledge in the field and thus is a pleasure to work with."
"Very experienced attorneys."
"While drafting domestic specifications in Japan for the above-mentioned technical fields as well as various other fields, the firm has also handled numerous international applications, including in the United States, amassing substantial achievements and experience. The firm also has offices in the United States and China, allowing them to actively manage and respond to international applications."