WHAT'S NEW

Dec. 16, 2024
Chambers Asia-Pacific 2025 by Chambers and partner ranked OHNO & PARTNERS.
Dec. 13, 2024
2025 Corporate INTL Global Awards ranked OHNO & PARTNERS as Patent Law Firm of the Year in Japan - 2025.
Dec. 12, 2024
Japan Law Firm Awards 2024 by Asia Business Law Journal ranked OHNO & PARTNERS as one of the top Law firms in IP enforcement categories.
Sep. 26, 2024
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Intellectual Property and Life Sciences categories by Who's Who Legal JAPAN 2024 .
Aug. 15, 2024
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Patents categories by Who's Who Legal: IP 2024 .
Jun. 3, 2024
・Ms. Maki Sato has joined the firm as a partner Patent Attorney.
May. 7, 2024
・Mr. Naotoshi Ikeda has joined the firm as an associate Patent Attorney.
Apr.15, 2024
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Life Sciences categories by Who's Who Legal: Life Sciences 2024 .
Feb.13, 2024
・Mr. Hirofumi Tada authored an article titled “Life Sciences & Pharma IP Litigation 2024 Japan (Chambers)”
Jan. 1, 2024
・Mr. Kazuki Kameyama has joined the firm as an associate Attorney-at-law.
Nov. 27, 2023
2023 Japan Law Firm Awards by Asia Business Law Journal ranked OHNO & PARTNERS as one of the top Law firms in IP enforcement categories.
Oct. 27, 2023
Top Ranked Legal ranked OHNO & PARTNERS as one of the top IP firms in Patents Contentious and Trademark Contentious categories.
Nov. 02, 2023
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Intellectual Property and Life Sciences categories by Who's Who Legal JAPAN 2023 .
Aug. 15, 2023
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Patents categories by Who's Who Legal: IP 2023 .
May. 23, 2023
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Life Sciences categories by Who's Who Legal: Life Sciences 2023 .
Oct. 5, 2022
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Patents categories by Who's Who Legal: IP 2022 .
Nov. 30, 2022
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Intellectual Property and Life Sciences categories by Who's Who Legal JAPAN 2022 .
Jul. 5, 2022
・Mr. Seiji Ohno, Attorney-at-Law, has been listed in IAM Patent 1000 2022 .
Jun. 13, 2022
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Life Sciences categories by Who's Who Legal: Life Sciences 2022 .
Apr. 1, 2022
・Mr. Josaku Sakakima has joined the firm as an associate Patent Attorney.
Nov. 15, 2021
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Intellectual Property and Life Sciences categories by Who's Who Legal JAPAN 2021 .
Oct. 13, 2021
・Mr. Hirofumi Tada authored an article titled “Patent law development in Japan.” Oct 7, 2021.
Sep. 21, 2021
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Patents categories by Who's Who Legal: IP 2021 .
Aug. 20, 2021
・Mr. Seiji Ohno, Attorney-at-Law, has been listed in A-List: Japan's top 100 lawyers by ASIA BUSINESS LAW JOURNAL .
Aug. 16, 2021
・Mr. Hirofumi Tada authored an article titled "Updates on trademark law in Japan"(Asia Business Law Journal). Aug 17, 2021
Jun. 1, 2021
・Ms. Yumi Ohguri has joined the firm as an associate Patent Attorney.
May. 26, 2021
・Apex Asia's 2020 Asia IP Patent Rankings ranked OHNO & PARTNERS as one of the top IP firms.
Apr. 12, 2021
・Mr. Seiji Ohno, Attorney-at-Law, has been listed as one of the leading practitioners in Life Sciences categories by Who's Who Legal: Life Sciences 2021 .
Jan. 6, 2021
・Mr. Dai Ibuka has joined the firm as an associate Attorney-at-law.
Jan. 5, 2021
・Ms. Maiko Ide has joined the firm as an associate Patent Attorney.
Jan. 5, 2021
・Mr. Junichi Takazakura has joined the firm as an associate Patent Attorney.
Nov. 25, 2020
・Mr. Seiji Ohno, Attorney-at-Law, has listed as one of the leading practitioners in Intellectual Property and Life Life Sciences categories by Who's Who Legal JAPAN 2020 .
June. 15, 2020
・Mr. Seiji Ohno, Attorney-at-Law, has listed as one of the leading practitioners in Patents categories by Who's Who Legal: Patents 2020 .
May. 13, 2020
・Mr. Seiji Ohno, Attorney-at-Law, has listed as one of the leading practitioners in Life Sciences categories by Who's Who Legal: Life Sciences 2020 .
Jan. 6, 2020
・Ms. Machiko Morita has joined the firm as an associate Attorney-at-law.
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