IPStartSM Intellectual Property Law Firm (hereinafter, “IPStart”) is a professional group specializing in intellectual property matters, including patents, utility models, designs, and trademarks both in Japan and internationally.
Established in Yokohama, Japan on January 1, 2023, IPStart has continued to grow thanks to the generous support of our clients.
We are dedicated to providing high-quality, one-stop IP services – including domestic, incoming, and outgoing cases – at reasonable and transparent rates. Through the protection and strategic use of intellectual property, we strive to support the advancement of your business.
NEWS & INSIGHTS
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Japan’s Supreme Court Expands Patent Protection to Cross-Border Digital Services
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Recent IPR trends in Japan
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Practical tip on reduction of official fees (examination fees and patent maintenance fees for the 1st to 10th years) for SMEs, Startups, and sole proprietors in Japanese patent applications
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Basic information about Japanese utility model system
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Japanese IP Statistics Report 2024
About the Firm & Services
IPStart is a professional firm specializing in intellectual property (IP) matters, including patents, utility models, designs, and trademarks, both in Japan and internationally.
As a global strategic partner in IP, we provide comprehensive and tailored solutions to support our clients’ innovation and business growth.
Our Strengths

Experienced & Energetic Attorneys
Comprehensive IP Support
Global Perspective
Our Missions

Empowering SMEs and Startups
Driving Global Innovation
Elevating Every Professional
Our Members
Our experienced patent attorneys specialize in IP matters across both Japanese and global jurisdictions.