

WHO WE ARE
Authense IP traces its history back to Hatsuna Intellectual Property Firm, which was originally established in 2015 as Hatsuna Intellectual Property Office. From the outset, we have been leveraging Information Technology and Artificial Intelligence to provide services in the field of intellectual property, with a particular focus on trademarks.
As the leading patent office in Japan for trademark registration applications in both 2021 and 2022, we remain committed to supporting various client needs through intellectual property consultations etc. throughout 2023. We will continue to strive for innovation and deliver high-quality services that effectively meet the needs of our clients, both domestically and internationally.
No.1
Number of Cases in Japan
over
7000
Trademark Prosecutions in 2022
8
IP Attorneys
Hatsuna Patent Firm became part of the Authense Group in November 2022 and was rebranded as Authense IP. Authense Group is a professional consortium that includes Authense Law Firm, as well as a labor and social security attorney firm, a certified public tax accountant firm, a consulting firm, etc. The group of experts offers comprehensive support and addresses all areas of concern for businesses and entrepreneurs.
Our aspiration is to become a distinguished and comprehensive consulting group specializing in intellectual property while maintaining our dedication to adding value in other areas.
ABOUT “Authense IP”

We offer assistance for trademark registration to help safeguard the right to the symbolic representation of our clients’ goods and services.
Trademark
We help clients with design registration with the goal of protecting the proprietary design of their products.
Design
We provide support for patent registration to ensure our clients’ proprietary ideas and technology are protected.
Patent
We assist our clients with safeguarding and maximizing the potential of diverse forms of intellectual property rights, such as patents, utility models, designs, trademarks, and copyrights.
Consulting
SERVICE MENU
WHAT WE DO
Intellectual property is a valuable asset for not just large corporations but nascent businesses as well. We empower startups and SMEs by providing customized services tailored to the specific priorities of each business. Even for companies seeking trademark, patent, or design registration for the first time, our experienced patent attorneys provide dedicated support to guide clients through the application process.
OUR TEAM
We have a team of experienced patent attorneys with extensive expertise in domestic and international intellectual property matters. Moreover, we have partnerships with a variety of third-party professionals. Our partnerships include lawyers, accountants, tax consultants, labor and social security attorneys, judicial scriveners, brand consultants, logo designers, and fundraising specialists.



