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OUR TEAM
Meet Our Patent Attorneys
Japanese patent attorneys (benrishi) dedicated to foreign IP counsel
MANAGING PATENT ATTORNEY
Takefumi SUGIURA
杉浦 健文 (Sugiura Takefumi)
Founder and Managing Patent Attorney at EVORIX Intellectual Property Law Firm. Over 15 years of patent prosecution experience representing foreign IP counsel from US, Europe, Korea, China, and Southeast Asia.
Specializes in IT, software, AI, IoT, FinTech, Web3, manufacturing, and medical devices. Has handled 500+ PCT national phase entries, 1,000+ Office Action responses, and 200+ trademark refusal responses for foreign clients.
Languages: English, Japanese
Practice Areas
🔬 Patent Prosecution
PCT national phase entry, Paris route filings, Office Action response, examiner interviews, PPH applications, appeals to JPO Board and IP High Court.
™ Trademark Prosecution
Madrid Protocol Japan designation, direct filings, refusal response (Article 3, 4(1)(11), etc.), Letter of Consent, opposition defense, non-use cancellation.
🎨 Design Patents
Hague Agreement Japan designation, direct design filings, partial designs, related designs, GUI/icon designs, design enforcement.
📊 Portfolio Management
Annuity management (5,000+ patents under management), portfolio audits, abandonment recommendations, license-of-right strategy.
⚖️ IP Disputes
Infringement assertion, defense, invalidation actions, customs enforcement coordination, settlement negotiation.
🌏 International Coordination
Multi-jurisdictional strategy, IP5 office coordination, PPH portfolio optimization, cross-border IP transactions.
Technology Expertise
SaaS, cloud, AI/ML, NLP, computer vision, distributed systems
Machine learning, generative AI, autonomous systems, robotics
IoT platforms, mobile apps, wearables, smart devices
Payment systems, blockchain, DeFi, tokenization
Drug formulations, medical devices, diagnostics, biomarkers
Semiconductors, batteries, solar, automotive parts
Fashion, beauty, food, household products
Industrial automation, process optimization, materials
Speaking, Publications & Recognition
- Frequent speaker at IP seminars including JETRO, JPAA events, university programs
- Featured in Kinki Tax Practitioner Magazine on IP strategy for SMEs (2025)
- Author of EVORIX's comprehensive country-by-country IP guides (170+ countries)
- Commentator on AI patent strategy and emerging technologies
- Lecturer at "+VISION Hyper IP Seminar" — multiple sessions on industry-specific IP strategy
Communication & Working Style
Our team communicates primarily in English with foreign IP counsel. Direct messaging via email or video call, with English-language pre-action drafts for your review before Japanese filings.
Our broader EVORIX team supports clients in: English, Japanese, Chinese (Simplified), Korean, German, French, Spanish, Portuguese, Italian, Russian, Turkish — covering most major IP firm jurisdictions worldwide.
Response time guarantee: 48 hours for general inquiries, 24 hours for engagement quotes, same business day for urgent matters and existing clients.
Want to Work with EVORIX?
Schedule a complimentary 30-minute consultation to discuss your Japan IP needs.
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