- 1966
The late Toshiro Nishimura established Nishimura Law Office (later to become Nishimura & Partners)
- 1976
The late Hideki Matsushima established Matsushima Law Office (later to become Tokiwa Sogo Law Offices)
- 1977
Masuda and Ejiri Law Office was established (later to become Asahi Law Office)
- 2004
Nishimura & Partners merged with Tokiwa Sogo Law Offices and took a leadership position, offering services in all areas of corporate, finance, litigation and bankruptcy law
All exceptional team of finance lawyers (from the former Mitsui, Yasuda, Wani & Maeda) specializing in project finance matters and private finance initiatives joined Nishimura & Partners
- 2007
Nishimura & Partners and the international division of Asahi Law Offices integrated and established Nishimura & Asahi
- 2010
Beijing Representative Office opened
HCMC Office opened
- 2011
Hanoi Office opened
- 2012
Singapore Office opened
Nishimura & Asahi LPC (a legal professional corporation) was established
Osaka Office and Nagoya Office opened - 2013
Yangon Office opened
Fukuoka Office (Nishimura & Asahi LPC Branch Office) opened
Bangkok Office opened
- 2014
Shanghai Representative Office opened
Jakarta Office*1 opened
(Entered into an association with Rosetini & Partners Law Firm) - 2015
Okada Law Firm (Hong Kong)*2 opened
- 2016
Dubai Representative Office opened
- 2018
Entered into an association with Walalangi & Partners in Indonesia
Nishimura & Asahi NY LLP opened
- 2019
Integration of SCL Law Group in Thailand
- 2020
Taipei Office (Nishimura & Asahi Taiwan) opened
Entered into a formal law alliance with Bayfront Law LLC in Singapore
Frankfurt and Düsseldorf Office opened