Hiroe & Associates‘ team’s workload covers matters relating to patents, utility models, industrial designs, trade marks, copyrights, translations, searches, filings, prosecution and litigation, including matters of unfair competition. Takenori Hiroe’s expertise lies in textile engineering, copyright, and unfair competition cases. Masanori Hiroe specialises in trade mark matters such as applications, appeals, cancellation trials and oppositions. Satoshi Hashimoto‘s focus areas include electrical engineering, magnetics, sensors, computers, software, mechatronics, optics, semiconductors, and materials. The three co-lead the practice.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Billing & efficiency
Client satisfaction: NPS ®

Testimonials

Collated independently by Legal 500 research team.

  • ‘Hiroe & Associates supports the intellectual property strategy of clients with a strong team of experts in all areas of specialisation, including electronics, machines, chemistry, fibres, pharmaceutics, trade marks, design, and searches.’

  • ‘Hiroe & Associates own a unique quality control system which follows ISO standards, and works towards accident prevention, maintaining high-level quality, and further improving the quality of services.’

  • ‘Hiroe stands out as a professional IP firm through its rapid response times, rigorous analysis, and specialised expertise in bridging China-Japan cultural differences, offering immediate, detailed advice that minimises delays and maximises client success.'

  • 'Potential clients would value the team's strengths in cross-border capabilities, such as risk assessment, strategic planning, and culturally sensitive support, which enable seamless coordination in diverse business environments. Compared to other firms, Hiroe excels in speed and precision.’

  • ‘This firm distinguishes itself through a high level of technical expertise and a client-oriented approach. Based on our experience, their team demonstrates strong capabilities in patent prosecution and provides clear, practical advice across technically complex matters. Their workflow appears to be well-organised and efficient, which may reflect strong internal coordination.'

  • 'Potential clients would likely appreciate their ability to provide timely, accurate, and jurisdiction-specific guidance, particularly in cross-border projects. Compared to other firms, they stand out in terms of clarity, consistency and responsiveness in communication.’

Lawyers

Leading partners: Benrishi

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head

Takenori Hiroe; Masanori Hiroe; Satoshi Hashimoto