Abe & Partners is a general law firm with extensive expertise in IP disputes and IP transaction practices. The firm has strengths in the pharmaceutical and life science fields. The team consists of attorneys-at-law and patent attorneys who support clients in dispute resolution matters.
Notable patent practitioners: Takanori Abe, Isamu Kotobuki, Kaoru Ochiai
Asamura IP, established in 1891, is renowned for its expertise in intellectual property. With over 130 years of experience, the firm provides a wide spectrum of IP services, encompassing patents, trademarks, and designs. Additionally, Asamura IP is expanding its practice to include IP value assessment, offering thorough evaluations of both the qualitative and quantitative aspects of intellectual property.
Notable patent practitioners: Yoshiteru Mizumoto
Notable soft IP practitioners: Kazutaka Otsuka
International law firm Finnegan maintains a solid reputation for intellectual property in Japan, with strong relationships with Japanese companies in the biotechnology, pharmaceutical, and software sectors. The firm’s Japanese team works with colleagues in international offices to advise clients on European and American IP law.
Notable patent practitioners: Naoki Yoshida, Chiaki Kobayashi
Hiroe and Associates handles a wide range of trade mark matters, including applications, infringement issues, and licensing. The team also assists clients with unfair competition and copyright infringement matters. Its patent team is well-known for its prosecution services. It has industry sector strength in pharmaceuticals and biotechnology.
Notable IP practitioners: Takenori Hiroe, Masanori Hiroe, Satoshi Hashimoto, Tetsunori Yoshida
Kyowa Patent and Law Office is a full-service intellectual property firm based in Japan, offering comprehensive IP services to clients across various sectors, including AI, biotechnology, automotive, and pharmaceuticals. The team consists of patent attorneys, attorneys at law, and Chinese-registered foreign lawyer, specializing in patents, trademarks, designs, and IP litigation. The firm has a dedicated section for the Chinese market, adept at handling IP issues in China and providing in-depth services related to proceedings with the China National Intellectual Property Administration and other Chinese administrative agencies.
Notable patent practitioners: Hiroshi Sorimachi
Nakamura & Partners has established its practice in Japan for more than one hundred years, making it one of the leading and most trusted patent and law firms. The firm is highly recommended for IP legal services and prosecution work. The team consists of patent attorneys and attorneys-at-law, working seamlessly to deliver high-quality services.
Notable IP practitioners: Shinichiro Tanaka, Kazuhiko Yoshida, Hiroyuki Suda, Kazuo Yamasaki
Shusaku Yamamoto, established in 1979, offers comprehensive IP services including patent counselling and prosecution, patent litigation and invalidations, trade marks, IP due diligence, IP licensing, and technology transactions. The team possesses deep technological and legal expertise, with advanced degrees in fields such as biochemistry, chemistry, and molecular biology. With offices in Osaka, Tokyo, Fukuoka, Fukushima, and Nanjing, Shusaku Yamamoto provides extensive coverage and accessibility for clients across Japan and beyond.
Notable IP practitioners: Kensaku Yamamoto, John A Tessensohn
Sugimura & Partners has a strong reputation for its intellectual property prosecution practice. The firm is experienced in supporting local clients in obtaining foreign patents with its international network and deep knowledge of IP practice in multiple jurisdictions. In the trade mark and design division, the team supports clients by cooperating with the legal division to provide strategic advice and draft drawings. In addition to prosecution, it handles legal work such as dispute resolution, litigation, and lawsuits.
Notable patent practitioners: Tatsuya Sawada, Takayoshi Kawai, Haruo Awano.
Notable soft IP practitioners: Kenichi Nakayama
TMI Associates is one of the leading law firms in Japan. The team, supported by lawyers and patent attorneys, is well-experienced in handling IP disputes. In addition to legal services, the firm is recommended for its high capacity for non-contentious matters. The prosecution team can handle all kinds of inventions with its knowledgeable patent attorneys in various technological fields, including electronics, life sciences, and machinery.
Notable IP practitioners: Yoshiyuki Inaba, Hiroshi Nemoto, Makoto Okada
Yuasa and Hara is one of the oldest law firms in Japan. The firm receives recognition from the market for its patent, trade mark, and copyright practices. It has strengths in the life sciences, pharmaceuticals, and specialty chemicals sectors. The firm is supported by closely cooperating teams to deliver a high standard of IP services both in Japan and abroad.
Notable IP practitioners: Toshiaki Iimura, Tsuyoshi Sueyoshi, Masafumi Takahashi