With one of the largest legal teams in Japan, we bring a wealth of practical knowledge focused on the singular purpose of providing high quality legal services.


Our lawyers have authored or co-authored a number of newsletters, articles, books and other materials covering a wide range of legal areas to address the latest legal developments and increasingly diverse and complex issues.


We regularly hold seminars and offer lectures through various formats, such as online streaming.



IM & Partners in association with Nagashima Ohno & Tsunematsu
*Registered name: IM & Partners
(Representative: Ichsan Montang)

Jakarta Mori Tower 14th Floor, Unit 1401
Jalan Jenderal Sudirman Kav. 40-41
Jakarta 10210, Indonesia

Nagashima Ohno & Tsunematsu is in alliance with an independent Indonesian law firm IM & Partners in Jakarta under the name of “IM & Partners in association with Nagashima Ohno & Tsunematsu”.

Mr. Ichsan Montang, who is serving as the representative of IM & Partners, is an Indonesia qualified lawyer with vast experience in advising Japanese companies on Indonesia-related matters. He has been working on Indonesian matters in our Singapore office since 2017. We provide more tailored legal services to companies in Jakarta by making use of his experience as well as by leveraging the experience and knowledge of the entire office that we have amassed over the years, through the close cooperation of the Singapore office, the Tokyo and other offices.

We provide legal services mainly in the following fields in Jakarta:

・M&A (due diligence and closing support in cross-border investment transactions)
・Corporate (general shareholders meetings, labor matters, and administrative matters related to permits and licenses, etc.)
・Compliance (advice on anti-bribery regulations, investigation of misconducts and crisis management, etc.)
・Dispute Resolution (debt collection, bankruptcy cases, etc.)


The office is staffed by the following lawyer.