IP Firms

Ohtsuka Patent Office, P.C.

Ohtsuka Patent Office, P.C.

Thanks to everyone’s support since our founding in April 1974, we have been able to continue to grow and to provide a wider assortment of services …

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Warashina-and-Associates-Patent-Firm

Warashina and Associates Patent …

Our main services relate to filing applications for patents, utility models, designs and trademarks at IP Offices in Japan and overseas, filing PCT…

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Nagashima Ohno ＆Tsuneyasu

Nagashima Ohno & Tsunematsu…

Our Lawyers in various practice areas collaborate to provide flexible solutions and robust assistance concerning innovation on cutting-edge legal i…

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KITAHAMA International IP Law Fi…

In collaboration with our customers, all the staff are united to provide a full range of intellectual property services.Technical FieldWe support a…

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ZeLo-a-Foreign-Law-Joint-Enterprise

ZeLo, a Foreign Law Joint Enterp…

From Zero to Legal InnovationIn 2017, ZeLo was founded by two lawyers who felt that traditional legal models were ripe for disruption. After workin…

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TMI Associates

TMI Associates

TMI Associates was established on October 1, 1990, with the aim of responding to the demand for comprehensive professional services required in the…

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TOH International Patent Office

ITOH International Patent Office…

ITOH International Patent Office was established in December 1967 as a firm specializing in patents relating to the electrical and mechanical field…

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IP Firm SHUWA

IP Firm SHUWA

An increasingly complex and intertwined technological field.Our patent attorneys, each with their own areas of expertise, work together to support …

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Washida & Associates

Washida & Associates

Under our “CLIENTS FIRST” motto, Washida & Associates provides services for all intellectualproperty right associated business.Click here for detai…

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Koyo International Patent Firm

Koyo International Patent Firm provides services to support our clients and their success in business, with focus on maximizing customer satisfacti…

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Markstone IP Attrneys

Markstone IP Attorneys

Technology changes the world. It brings borderless economy in which goods and services cross national borders without becoming aware of the existen…

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IPX patent partners

We, IPX patent partners, are a cutting-edge IP law firm located in Gaienmae, Tokyo.The two founding partners of IPX are international-oriented prof…

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KAMADA PATENT FIRM

KAMADA PATENT FIRM is the oldest intellectual property law firm in Osaka.Since 1932, we have been doing business in our own building, located very …

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Baker & McKenzie

Baker & McKenzie

Baker & McKenzie (Gaikokuho Joint Enterprise) is one of Japan’s leading international law firms as well as one of its oldest, marking its 50th anni…

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SHIGA International Patent Offic…

SHIGA International Patent Office is one of the largest intellectual property firms in Japan.We represent domestic and international clients from s…

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FIELDS-IP-Attorneys-PPC

FIELDS IP Attorneys PPC

FIELDS IP Attorneys PPC is a patent professional corporation (PPC) which was established by the merger of the former firms of FIELDS IP Attorneys a…

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R&C IP Law Firm

R&C IP Law Firm

We have abundant achievements in acquiring domestic and international IP rights and representing clients in disputes related to these IP rights.Cli…

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SIKs&Co.

SIKs & Co.

SIKs & Co. (hereinafter referred to as “SIKs”) as a patent professional corporation was established on April 1, 2002 by taking over all busines…

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https://www.harakenzo.com/en/profile/

HARAKENZO WORLD PATENT & TR…

HARAKENZO WORLD PATENT & TRADEMARK has a total of 270 excellent staff members, who enable the firm to provide prompt and high-quality intellectual …

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OHNO-PARTNERS

OHNO & PARTNERS

　　OHNO & PARTNERS is a law firm established on May 1, 2000 as a boutique firm in intellectual property.　　In Japan, there are two qualification …

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SIPTO

Shobayashi International Patent …

Comprehensive intellectual services that drive business success.Shobayashi International Patent and Trademark Office is acomprehensive service prov…

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YUASA-and-HARA

YUASA and HARA

Founded in 1902, YUASA and HARA is one of the oldest and largest law firms in Japan. Our firm is also a pioneer in multidisciplinary practice, cons…

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HATTA&ASSOCIATES

HATTA & ASSOCIATES

MISSIONWe feel grateful to have been growing as "IP Artisans", and contribute to a bright and prosperous future through the provision of high quali…

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APERIO IP ATTORNEYS

APERIO IP ATTORNEYS

APERIO IP ATTORNEYS is an intellectual property law firm located in Tokyo, Japan.Our commitment is to provide high-quality IP services using our gl…

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Eikoh P.C.

Eikoh P.C.

Eikoh is a comprehensive service provider for Japanese and international intellectual property.Click here for details

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OtaniPatentOffice

Ohtani Patent Office

Since opening in 1987, our office has provided service in good faith to our clients as a patent office specializing in the chemical industry. Durin…

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brandesign IP firm

brandesign IP firm

brandesign IP firm specializes in trademarks and designs.We excel at overturning Office Actions issued by Examiners based on our “study” and “exper…

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TECHNICAL FIELDS

SPECIAL FEATURE

IP related companies

RECRUIT

Recruitment special page has been updated.

Nagashima Ohno & Tsunematsu

Nagashima Ohno & Tsunematsu

Career opportunity in NO&T Tokyo Office (Lawyer)For our Tokyo office, we are frequently l…

KITAHAMA International IP Law Firm…

KITAHAMA International IP Law FirmStarted recruiting patent attorneys and patent engineer…

IPX patent partners

Welcome to Foreign ProfessionalsIPX patent partners are supported by a bunch of people, i…