Tel: +81-3-3581-2241
Fax: +81-3-3580-0506
Email: JPATENT@sugimura.partners
Website: sugimura.partners
Contact: Kenji Sugimura, Koji Sugimura
Languages: Japanese, English, Mandarin, German
Practice Areas: Border Enforcement; Counseling and Opinion Work; Design Patent Counseling, Prosecution and Litigation; Domain Name Disputes; Due Diligence; International Patent Filing Coordination; Patent Counseling, Prosecution and Litigation; Patent Trials, Appeals and Litigation; Trade Secret Counseling; Trademark Counseling, Prosecution and Litigation; Unfair Competition
Office Locations: Tokyo, JAPAN; Silicon Valley, USA
SUGIMURA, formerly known as SUGIMRUA International Patent and Trademark Attorneys is a leading intellectual property law firm in Japan which was founded in 1923. SUGIMURA has earned an international reputation for quality in Japanese IP prosecution and is repeatedly ranked among the top Japanese patent and trademark firms. As of March 1, 2017, SUGIMURA has re-launched as SUGIMURA & Partners, to reflect continued expansion of its services to newly formed legal division, which extends the quality and reputation from IP prosecution practice to IP litigation and dispute resolution practices.
SUGIMURA delivers results-oriented solutions and offers customized services tailored to clients’ needs. The firm ensures close collaboration among its practice groups in order to provide clients with comprehensive multidisciplinary patent and trademark protection across industry sectors. Their attorneys combine legal insight, technical expertise, and business acumen to deliver practical solutions and strategies for intellectual property protection in Japan.
-Tokyo Office: 183
Patent Attorney/Attorney at Law: 1
Patent Attorneys: 67
UK/EP Patent Attorney: 1
-Silicon Valley Office (affiliate firm: Kenja IP Law PC): 5
Japanese Patent Attorney/U.S. Patent Agent: 1
U.S. Patent Attorney: 1
U.S. Attorneys: 2
U.S. Patent Agents: 5
Trade Mark & Copyright Editorial 2019
Japan
Sugimura & Partners advises on patent, design, and trade mark prosecution, trial and appeal proceedings before the JPO, counselling and opinion work, due diligence, unfair competition matters and litigation. Clients range from single inventors, to start-ups, multinational firms and academic institutions.
Key figures include Kenichi Nakayama who specialises in trade mark prosecution, unfair competition and litigation. Hisaya Kadota, a rising star, focuses on trade mark and design work.
2019
Japan
Patent prosecution (domestic firms)
| Tier 1 |
|---|
| Nakamura & Partners |
| Shiga International Patent Office |
| Yuasa and Hara |
| Tier 2 |
|---|
| Abe Ikubo & Katayama |
| Aoyama & Partners |
| Seiwa Patent & Law |
| Sugimura & Partners |
| TMI Associates |
Trade mark prosecution (domestic firms)
| Tier 1 |
|---|
| Nakamura & Partners |
| TMI Associates |
| Yuasa and Hara |
| Tier 2 |
|---|
| Asamura Patent Office |
| Seiwa Patent & Law |
| Sugimura & Partners |
| Tier 3 |
|---|
| Fukami Patent Office |
| Kubota |
| Soei Patent & Law Firm |
| Other Notable Firms |
|---|
| Abe Ikubo & Katayama |
| Hiroe and Associates |
| Kyowa Patent and Law Office |
| Miyoshi & Miyoshi |
| Ryuka IP Law Firm |
| Practitioner | Ranking | Practice Area | Industry | Location |
|---|---|---|---|---|
| Awano, Haruo | Patent star - Japan | Patent office proceedings, Patent prosecution, Patent strategy & counseling | Electrical, Electronics, Mechanical, Universities & research | Japan |
| Nakayama, Kenichi | Trade mark star - Japan | Copyright & related rights, IP transactions, Trade mark litigation, Trade mark office proceedings, Trade mark prosecution, Trade mark strategy & counseling | Electronics, ., Fashion & luxury goods, Medical device, Telecommunication | Japan |
| Okura, Akihito | Patent star - Japan | Patent prosecution | Japan | |
| Sawada, Tatsuya | Patent star - Japan | Designs, Patent litigation, Patent office proceedings, Patent prosecution, Patent strategy & counseling | Japan | |
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