Advantages of Aoyama

Achievements to date

We have extensive experience as professionals handling intellectual property,
and our first priority is to protect the interests of our clients, both inside and outside Japan.
We also strive to contribute to society through the protection of intellectual property rights by providing
our clients with the knowledge we have accumulated.

Total Number of Applications

September 4, 1965 to Janunary 1, 2025
(including transferred cases transferred to us)
Patent
Domestic
About
198,000
cases
Overseas
About
159,000cases
Application Ratio
Overseas
About
45
%
Domestic
About
55
%
Design
Domestic
About
12,000
cases
Overseas
About
4,900
cases
Application Ratio
Overseas
About
28
%
Domestic
About
72
%
Trademark
Domestic
About
54,000
cases
Overseas
About
48,000
cases
Application Ratio
Overseas
About
48
%
Domestic
About
52
%

Total number of Countries

(including regionals)
September 4, 1965 to Janunary 1, 2025
(including transferred cases transferred to us)
Patent
154
countries
Design
42
countries
Trademark
209
countries
Distribution Map

Major Public Activities of
Our Patent Attorneys

Janunary 1, 2025
  • Speaker at seminars/practical training programs held by Japan Patent Attorneys Association or its branches (.... to present)
  • Speaker at seminars held by Japan Intellectual Property Association (.... to present)
  • Part-time lecturer, Graduate School of Law, Osaka University (2008 to 2017)
  • Part-time lecturer, Graduate School of Law and Politics, Osaka University (2009 to present)
  • Part-time lecturer, Graduate School of Intellectual Property, Osaka Institute of Technology (2007 to present)
  • Part-time lecturer, Tottori University (2008 to 2024)
  • Speaker at seminars held by Kyoto Comparative Law Center commissioned by Japan International Cooperation Agency (JICA) (1989 to 2019)
  • Aoyama & Partners is responsible for the information and update of Japan Chapter of "Manual for the Handling of Applications for Patents, Designs and Trademarks throughout the World", also known as "Brown Book", Ed. Arnold & Siedsma, Kluwer Law International. (.... to present)