Information
Remote Work Currently in Place
As part of a state of emergency declared by government of Japan related to COVID-19, we have fully established remote work operations to ensure that there are no service disruptions, in which most of our staff are currently working remotely from home. Therefore, we may not be able to answer your phone calls at our office. In such a case, please contact us by e-mail to info@kawaguti.gr.jp.
We will continue to monitor the situation and inform you on this homepage as it develops.
We would very much appreciate your understanding and cooperation.
Sincerely,
KAWAGUTI & PARTNERS
Ms. Naomi YOSHIDA, patent attorney and partner of our firm, has been appointed as a technical adviser at the Tokyo High Court (including Intellectual Property High Court), the Tokyo District Court and the Osaka District Court as from April 1, 2020 for 2 years.
Latest News

- 2020.11.12Newsletter
- K&P’s Intellectual Property High Court Decision Report in August, 2020
- 2020.03.17Newsletter
- K&P’s Intellectual Property High Court Decision Report in 2020
<Special News Flash> - 2020.03.05Newsletter
- K&P’s Intellectual Property High Court Decision Report in July, 2019
- 2020.01.27Newsletter
- K&P’s Intellectual Property High Court Decision Report in June, 2019
- 2019.12.18Newsletter
- K&P’s Intellectual Property High Court Decision Report in May, 2019
- 2019.11.8Newsletter
- K&P’s Intellectual Property High Court Decision Report in April, 2019
- 2019.10.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in March, 2019
- 2019.9.5Newsletter
- K&P’s Intellectual Property High Court Decision Report in 2019
<Special News Flash 2> - 2019.9.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in February, 2019
- 2019.8.9Newsletter
- K&P’s Intellectual Property High Court Decision Report in January, 2019
- 2019.7.8Newsletter
- K&P’s Intellectual Property High Court Decision Report in December, 2018
- 2019.6.13Newsletter
- K&P’s Intellectual Property High Court Decision Report in 2019
<Special News Flash> - 2019.6.4Newsletter
- K&P’s Intellectual Property High Court Decision Report in November, 2018
- 2019.5.23IP Laws & Practices
- Outline of Patent Law Amendment in 2019
- 2019.4.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in October, 2018
- 2019.3.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in September, 2018
- 2019.2.4Newsletter
- K&P’s Intellectual Property High Court Decision Report in August, 2018
- 2019.1.11IP Laws & Practices
- Cabinet Order on the Patent Law Amendment in 2018
- 2019.1.7Newsletter
- K&P’s Intellectual Property High Court Decision Report in July, 2018
- 2018.12.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in June, 2018
- 2018.11.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in May, 2018
- 2018.10.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in April, 2018
- 2018.9.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in March, 2018
- 2018.8.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in February, 2018
- 2018.7.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in January, 2018
- 2018.6.13Newsletter
- K&P’s Intellectual Property High Court Decision Report in 2018
<Special News Flash> - 2018.6.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in December, 2017
- 2018.5.31IP Laws & Practices
- Patent Law Amendment in 2018
- 2018.5.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in November, 2017
- 2018.4.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in October, 2017
- 2018.3.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in September, 2017
- 2018.2.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in August, 2017
- 2018.1.4Newsletter
- K&P’s Intellectual Property High Court Decision Report in July, 2017
- 2017.12.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in June, 2017
- 2017.11.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in May, 2017
- 2017.10.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in April, 2017
- 2017.9.1Newsletter
- K&P’s Court Decision Report in 2017
<Special News Flash 3>
K&P’s Intellectual Property High Court Decision Report in March, 2017 - 2017.8.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in February, 2017
- 2017.7.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in January, 2017
- 2017.6.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in December, 2016
- 2017.5.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in November, 2016
- 2017.4.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in October, 2016
- 2017.3.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in September, 2016
- 2017.2.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in August, 2016
- 2017.1.5Newsletter
- K&P’s Intellectual Property High Court Decision Report in July, 2016
- 2016.12.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in June, 2016
- 2016.11.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in May, 2016
- 2016.10.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in April, 2016
- 2016.9.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in March, 2016
- 2016.8.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in February, 2016
- 2016.7.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in 2016
<Special News Flash>
K&P’s Intellectual Property High Court Decision Report in January, 2016 - 2016.6.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in December, 2015
- 2016.5.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in November, 2015
- 2016.4.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in October, 2015
- 2016.3.1Newsletter
- K&P’s Court Decision Report in 2015
<Special News Flash 2>
K&P’s Intellectual Property High Court Decision Report in September, 2015 - 2016.2.5IP Laws & Practices
- Use Invention of Food Becomes Patentable Subject Matter
- 2016.2.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in August, 2015
- 2016.1.5Newsletter
- K&P’s Intellectual Property High Court Decision Report in July, 2015
- 2015.12.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in June, 2015
- 2015.11.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in May, 2015
- 2015.10.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in 2015
<Special News Flash>
K&P’s Intellectual Property High Court Decision Report in April, 2015 - 2015.9.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in March, 2015
- 2015.8.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in February, 2015
- 2015.7.27About Japanese Practices
- IP Law Amendment in 2015
- 2015.7.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in January, 2015
- 2015.6.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in December, 2014
- 2015.5.15Newsletter
- K&P’s Intellectual Property High Court Decision Report in November, 2014
- 2015.4.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in October, 2014
- 2015.3.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in September, 2014
- 2015.2.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in August, 2014
- 2015.1.5Newsletter
- K&P’s Intellectual Property High Court Decision Report in July, 2014
- 2014.12.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in June, 2014
- 2014.11.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in May, 2014
K&P’s Intellectual Property High Court Decision Report in 2014
<Special News Flash>
Patent Law Amendment in 2014 - 2014.10.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in April, 2014
K&P’s Intellectual Property High Court Decision Report in 2014
<Special News Flash> - 2014.8.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in February, 2014
- 2014.7.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in January, 2014
- 2014.6.2Newsletter
- K&P’s Intellectual Property High Court Decision Report in December, 2013
- 2014.5.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in November, 2013
- 2014.4.1Newsletter
- K&P’s Intellectual Property High Court Decision Report in October, 2013
- 2014.3.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in September, 2013
- 2014.2.3Newsletter
- K&P’s Intellectual Property High Court Decision Report in August, 2013
- 2014.1.6About Japanese Practices
- K&P’s Intellectual Property High Court Decision Report in July, 2013
Firm Philosophy
With devout love for Intellectual Property(IP),
and as IP specialists with fiery passion,
pride and responsibility,
we will exert all of our might to continually offer IP services of the utmost quality
to support the development of our clients worldwide,
as well as science and technology worldwide.
Furthermore, through our IP services,
we will earnestly win the trust of clients from around the world step by step,
so that we will have an ideal workplace which will be our pride
where every employee will have a sense of confidence, satisfaction
and happiness above all.
Firm Motto - Course of Action
Professionalism | We always perform our duties with a high sense of responsibility and pride as a professional in the field of intellectual property right, and concurrently strive to learn and acquire advanced and latest knowledge and skill required of a professional. |
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Accuracy | We always perform our duties with accuracy, certainty and infallibility, and concurrently observe the deadline. |
Tenacity | No matter how complex and difficult a case we may encounter, we never give up till the end and persevere to resolve the problem. |
Agility | We always perform our duties with agility and speed, and respond with promptness. |
Integrity | We always keep an attitude with integrity, candor and grace towards all stakeholders: all people concerned with our services including, not only our clients, but people at the JPO, courts, other patent firms, translation agents, and colleagues, and strive to foster beautiful relationships. |
- Professionalism
- We always perform our duties with a high sense of responsibility and pride as a professional in the field of intellectual property right, and concurrently strive to learn and acquire advanced and latest knowledge and skill required of a professional.
- Accuracy
- We always perform our duties with accuracy, certainty and infallibility, and concurrently observe the deadline.
- Tenacity
- No matter how complex and difficult a case we may encounter, we never give up till the end and persevere to resolve the problem.
- Agility
- We always perform our duties with agility and speed, and respond with promptness.
- Integrity
- We always keep an attitude with integrity, candor and grace towards all stakeholders: all people concerned with our services including, not only our clients, but people at the JPO, courts, other patent firms, translation agents, and colleagues, and strive to foster beautiful relationships.
We perform our duties while embracing the 5 mottos at all times, as well as the notion of “PAT.* AI”derived from picking up the first letters in the 5 mottos, that is,“Love for Patent” (since “AI” means “Love” (愛) in Japanese).
* Please note that “PAT” mentioned herein means “patent” in a broad sense, namely intellectual property right as a whole including trademark right, design right and the like.