NPE 2015
IPBC Global 2015

SUGIMURA International Patent & Trademark Attorneys

Sugimura International Patent & Trademark Attorneys is a leading IP law firm in Japan which was founded in 1923. SUGIMURA has earned a reputation for high quality and is repeatedly ranked among the top Japanese patent and trademark firms. It has offices in Japan and the United States, providing convenient IP services to both domestic and international clients.

Sugimura delivers results-oriented solutions and offers customised services tailored to clients’ needs. Sugimura understands the importance of branding within an organisation’s corporate strategy and provides a comprehensive range of trademark-related services. The firm has extensive experience representing clients in trademark and design and patent matters, including clearance, registration, arbitration, litigation and border enforcement. Sugimura has distinguished itself through its quality work and has been listed as a leading Japanese trademark prosecution law firm.

Sugimura’s patent attorneys also provide a full range of patent prosecution, licensing and counselling services in virtually every technology sector. Similar to its trademark practice, Sugimura has differentiated itself for its quality patent draftsmanship and continues to be ranked among the top patent prosecution law firms in Japan. It ensures close collaboration among its practice groups in order to provide clients with comprehensive multi- disciplinary patent and trademark protection across sectors. Its attorneys combine legal insight, technical expertise and business acumen to deliver practical solutions and strategies for IP protection in Japan.

Sugimura represents both Japanese and international clients pursuing patent, design and trademark protection in Japan. Its clientele ranges from single inventors and start-ups to well-established academic institutions and multinational corporations from all sectors of the global economy, including automotive, aviation, transportation, food and beverages, consumer goods, fashion, sports and recreation, colleges and universities, chemical, software and hardware, electronics, e-commerce, biotechnology, pharmaceutical, medical, energy, agriculture, entertainment and media, construction, semiconductors, optics, telecommunications and manufacturing.

Sugimura has earned an international reputation for quality in Japanese IP prosecution and is repeatedly ranked among the top Japanese patent and trademark law firms. Sugimura patent and trademark attorneys possess expertise in virtually every technology sector. They are not only skilled in the nuances of IP laws and regulations; they are also technical experts in almost every industry. Sugimura attorneys have years of experience working in-house at major corporations as researchers, engineers and IP professionals. Some have also served for decades at the Japanese Patent Office (JPO). This combination of expertise allows them to understand the perspectives of corporations and patentees as well as the JPO, enabling them to deliver practical and effective solutions to further their clients’ business objectives.

In order to better serve its foreign clients, Sugimura established a regional office in Palo Alto, California. The Palo Alto office offers clients the personalised care of a boutique firm while drawing on both the resources of its Tokyo office and the strength of its global network. At the regional office, Sugimura meets with clients regularly to develop IP strategies to meet their business objectives in Japan, discuss intricate technical and legal issues and offer tutorials on Japanese patent practice. Its Palo Alto and Tokyo offices work together seamlessly to deliver tailored solutions and around-the-clock service.

Sugimura’s professionals speak Japanese, English, German and Chinese (Mandarin).

Sugimura attorneys are active in their community, presenting on topics regarding Japanese IP practice at in-house client presentations, patent seminars and law school classes. The firm also publishes articles on Japanese IP practice in magazines distributed around the world.

Contact details

SUGIMURA International Patent & Trademark Attorneys
Common Gate West Tower 36th Floor
Kasumigaseki 3-2-1 Chiyoda-Ku

T: +81 3 3581 2241
F: +81 3 3580 0506

Professional contacts

Kenji Sugimura, President

Tatsuya Sawada, Partner

Yuko Muramatsu, Senior manager, design and trademark division

Other offices

  • Palo Alto


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