Patent Attorney – International Intellectual Property Specialist (Chiyoda, Tokyo)

Job Description

Patent Attorney – International Intellectual Property Specialist

Location: Chiyoda-ku, Tokyo, Japan
Posted on: November 20, 2025
Employment Type: Full-time Permanent
Industry: Legal / Patent – Patent Attorney (In-house, Corporate, Private Practice)
Company: Yamamoto Patent Law Office
Nearest Stations:

• 5-min walk from Toranomon Station (Ginza Line)
• 7-min walk from Kasumigaseki Station (Marunouchi, Hibiya, Chiyoda Lines)
• 10-min walk from Kokkai-gijidomae Station (Chiyoda, Marunouchi Lines)
• 10-min walk from Tameike-sanno Station (Namboku, Ginza Lines)

Job Description

We are a team of specialists handling IP rights acquisition, enforcement, and dispute resolution. The role involves document preparation for patent offices and courts, participating in oral arguments, and using legal and technical knowledge to protect client interests globally.

Key Responsibilities:

• Prepare and submit documents to patent offices and courts
• Participate in oral arguments and hearings
• Provide strategic advice on IP acquisition, enforcement, and disputes
• Collaborate with domestic and international clients

Requirements

Mandatory:

• Japan Patent Attorney qualification
• 3+ years practical experience in patent-related work
• Advanced English (Business Conversation Level: TOEIC 735–860)
• Native-level Japanese
• Strong legal and scientific knowledge
• Logical thinking, persuasive writing and oral argument skills
• Sense of responsibility and mission

Working Hours

• 9:00–18:00 (60-minute break)
• Discretionary labor system / Flex time available
• Overtime applicable (no overtime allowance due to discretionary system)

Compensation

• Expected annual salary: JPY 5,000,000–8,000,000 (merit-based)
• Patent attorney allowance included
• Full commuting allowance (12 installments)
• Social insurance: Health, pension, employment, work injury
• Paid leave: 2 days after 3 months, 8 days after 6 months
• Holidays: 125 days/year (Saturdays, Sundays, national holidays)

Company Info

Yamamoto Patent Law Office (est. 1979) supports Japanese and international companies in leveraging IP as a business asset. Expertise spans biotech, chemistry, life sciences, electronics, IT, and mechanical engineering. Known for “Speed & Quality,” the firm provides fast, high-quality global IP services trusted by major international corporations.