Experts in Intellectual Property
for Chemistry (organic/inorganic, polymer)
Strength in materials technology (metals, batteries, optics, architecture)
Experts in Intellectual Property
for Chemistry (organic/inorganic, polymer)
Strength in materials technology (metals, batteries, optics, architecture)
Protecting the essence of your invention
in Japan and beyond.
Protecting the essence of your invention in Japan and beyond.
A Japanese Patent Firm Specialized in Chemistry for Foreign Associates
DAIYA Patent Office is a specialized firm that supports clients' intellectual property activities with practical experience, focusing on the chemical and materials fields and balancing superior technology with legal matters.
Why DAIYA
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Specialized in Chemistry, and Materials
We have deep expertise in highly technical fields such as organic and Inorganic chemistry, polymers, and materials.
Patent Attorneys with Both Technical and Legal Expertise
Our patent attorneys have backgrounds in research and development as well as experience working at the Japan Patent Office, enabling practical and strategic support.
Extensive Experience Working with Foreign Associates
We have a strong track record of collaborating with firms in the U.S., Europe, China, and other regions, ensuring smooth communication and reliable handling of cases.
Accurate and Prompt Prosecution Services
We provide high-quality patent specifications and strategic office action responses with both speed and precision.
Flexible and Careful Communication
We offer clear and responsive communication in English, taking into account time zones and each associate’s workflow.
Practice Areas & Services
Practice Areas
& Services
DAIYA Patent Office provides expert patent services across a wide range of technical fields, with particular strength in chemistry.
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Organic chemistry
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Polymers and plastics
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Materials and inorganic chemistry
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Chemical and analytical instruments
Practice Areas
Services
We offer comprehensive support for foreign associates and companies seeking IP protection in Japan.
Patent filing in Japan
Including priority claims based on foreign applications and PCT national phase entries.
Office action responses
Preparing and filing arguments and amendments in response to JPO office actions.
Specification drafting and translation
Creating high-quality specifications that accurately reflect the invention, with EN–JP / JP–EN translation support.
International and foreign filing support
Advising on PCT applications and multi-country filing strategies.
Patent searches and opinions
Conducting invalidity searches, patentability assessments, and infringement opinions.
About DAIYA Patent Office
About
DAIYA
Patent Office
Tokyo Office
Toranomon ES Building 8F, 3-25-2 Toranomon, Minato-ku, Tokyo 105-0001, Japan
Phone
+81-3-6402-3625
+81-3-6402-3625
Business Hours
9:30 AM – 5:30 PM JST
9:30 AM – 5:30 PM JST
Contact Us
For inquiries regarding patent filing, trademark registration, patent searches, and international applications, please feel free to contact us.
Our patent attorneys, specializing in chemistry, and materials, will provide strategic support tailored to your needs.