International Cooperation in Trials/Appeals

Symposia / International Conferences

• “Judicial Symposium on Intellectual Property / TOKYO 2025 - Evolving Approaches to IP Dispute resolution: Marking the 20th Anniversary of the IPHC -” Held [Last updated 4 November 2025]
• “Judicial Symposium on Intellectual Property / TOKYO 2024 - IP Dispute Resolution in Japan, the United States and Europe -" Held [Last updated 28 October 2024]
• Judicial Symposium on Intellectual Property / TOKYO 2024 ～ IP Dispute Resolution in Japan, the United States, and Europe ～ [24-25 October 2024]
• “Judicial Symposium on Intellectual Property / TOKYO 2023 - IP Dispute Resolution in Asia -” Held [Last updated 10 November 2023]
• Judicial Symposium on Intellectual Property / TOKYO 2023 ～ IP Dispute Resolution in Asia ～ [17-19 October 2023]
• “Judicial Symposium on Intellectual Property / TOKYO 2022 - IP Dispute Resolution in Japan, the United States, and Europe -” Held [Last updated 7 November 2022]
• Judicial Symposium on Intellectual Property / TOKYO 2022 ～ IP Dispute Resolution in Japan, the United States, and Europe ～ [20-22 October 2022]
• Judicial Symposium on Intellectual Property /TOKYO 2021 ～IP Dispute Resolution in Asia～ [Last updated 15 December 2021]
• “Judicial Symposium on Intellectual Property / TOKYO 2021” Held　[Last updated 26 October 2021]
• Judicial Symposium on Intellectual Property /TOKYO 2020 ～Latest Developments and Challenges in IP Judiciary in Japan, United States and Europe～ [Last updated 17 February 2021]
• Judicial Symposium on Intellectual Property / TOKYO 2019 ～IP Dispute Resolution in the Asia-Pacific Region～ [Last updated 25 March 2020]
• Judicial Symposium on Intellectual Property / TOKYO 2018 - Global Collaboration for IP Dispute Resolution - [Last updated 6 June 2019]
• Judicial Symposium on Intellectual Property/ TOKYO 2017 -IP Dispute Resolution in ASEAN Plus Three (Japan-China-Republic of Korea)- [Last updated 29 November 2017]
• Judicial Symposium on Intellectual Property / TOKYO 2017　Held [Last updated 8 November 2017]
• 2016 International Conference on IP in Korea [Last updated 27 July 2016]

The Five IP Offices (IP5)

• IP5 Trial and Appeal Boards High-Level Meeting Held [16 September 2025]
• IP5 Trial and Appeal Boards High-Level Meeting [11-12 June 2024]
• IP5 Trial and Appeal Boards High-Level Meeting [7 June 2023]
• IP5 Trial and Appeal Boards High-Level Meeting Held　[Last updated 6 July 2022]
• JPO Hosted IP5 Trial and Appeal Boards High-Level Meeting　[Last updated 14 June 2021]
• The JPO-EPO-CNIPA-KIPO Trial and Appeal Meeting and the User Seminar Held　[Last updated 7 June 2019]

Europe / United States

• JPO Exchanged Opinions with EUIPO [12 February 2025]
• JPO Exchanged Opinions with EUIPO [19 January 2023]
• JPO Exchanged Opinions with EUIPO [Last updated 24 June 2021]
• JPO-EUIPO Trial and Appeal Experts Meeting for Trademark Held in Spain [Last updated 6 December 2018]
• Exchanged Opinions with the Patent Trial and Appeal Board of the United States Patent and Trademark Office [Last updated 20 June 2017]
• Exchanged Opinions with the Boards of Appeal of the European Patent Office [Last updated 26 May 2017]
• Exchanged Opinions with the German Federal Patent Court [Last updated 26 May 2017]
• PTAB Bar Association Inaugural Conference Held [Last updated 17 March 2017]
• USPTO Chief Administrative Patent Judge Ruschke Visited JPO [Last updated 13 December 2016]
• Gathering evidence in patent proceedings: a comparison of Japan, France, Germany and the UK held in Paris (23 September 2016) (External link)

China / Korea

• The 13th “JPO-MOIP Trial and Appeal Experts Meeting” Held [27 November 2025]
• Comparative Study on Trial and Appeal Practices among JPO, CNIPA and KIPO [Last updated 15 January 2025]
• The 12th JPO-KIPO Trial and Appeal Experts Meeting [10 December 2024]
• The 11th Joint Experts Group for Trial and Appeal (JEGTA) and the 10th JPO-CNIPA Trial and Appeal Experts Meeting [19-21 November 2024]
• JPO-CNIPA Trial and Appeal Experts Meeting, Joint Experts Group for Trial and Appeal (JEGTA) and opinion exchange meetings with users [11-13 December 2023]
• Japan-China-Korea IP User Seminar on Trial and Appeal System Held　[Last updated 5 August 2019]
• The 3rd JPO-SIPO Trial and Appeal Experts Meeting Held [Last updated 27 July 2017]
• Japan-Korea-China IP User Seminar Held [Last updated 27 July 2017]
• The 8th JPO-KIPO Trial and Appeal Experts Meeting Held [Last updated 27 July 2017]

[Last updated 3 January 2026]

Contact

Trial and Appeal Division, Trial and Appeal Department, Japan Patent Office TEL: +81-3-3581-1101 ext. 3613 E-mail: PA6B00@jpo.go.jp