Johnson Winter Slattery (JWS) is delighted to announce its alliance with TMI Associates, one of Japan’s leading law firms.
The relationship strengthens JWS’s deep connection with Japan and its commitment to providing exceptional legal service to Japanese corporates and funds doing business in Australia and to Australian companies seeking opportunities in Japan. Clients will benefit from the combined expertise of both firms, particularly in the energy and resources, defence, consumer and technology sectors.
TMI Partner and Attorney-Of-Law Masayuki Nagai will be seconded to JWS in Sydney.
JWS Managing Partner Jeremy Davis said, “We are pleased to develop close ties with TMI Associates. The relationship enables us to offer our clients outstanding service and a gateway between Australia and Japan.”
About Johnson Winter Slattery
JWS is a leading Australian law firm known for advising corporates and funds on their most complex transactions, disputes and regulatory matters. The firm is comprised of more than 450 people, including 80+ partners, across Sydney, Melbourne, Adelaide, Canberra, Brisbane and Perth.
JWS is globally connected and has strong relationships with major independent law firms around the world. The firm works regularly with a close network of independent firms in Asia, the US, UK and Europe, to deliver a seamless multi-jurisdictional service.
JWS was recognised as Technology, Media and Telecom M&A Legal Adviser of the Year (Mergermarket M&A Awards Australia 2023), Energy Law Firm of the Year (Best Lawyers 2023) and Best Law & Related Services Firm (Beaton Client Choice Awards 2024). The firm’s lawyers are highly ranked in Chambers & Partners, Legal 500 and Who’s Who Legal.
About TMI Associates
Since its founding in 1990, TMI Associates has strived to create a law firm that is distinct from any other in Japan and that recasts the image of both attorneys and patent/trademark attorneys. During the past 35 years, the firm has experienced rapid organic growth, both numerically and geographically, while maintaining its progressive culture. From starting with 43 personnel, including 10 attorneys and one patent attorney at its founding, as of 3 March 2025, TMI now has 632 attorneys and 101 patent/trademark attorneys among its 1,232 total personnel, and is one of the five largest law firms in Japan.
TMI has numerous overseas branches and local desks in Shanghai, Beijing, Yangon, Singapore, Ho Chi Minh City, Hanoi, Phnom Penh, Bangkok, Jakarta*, Kuala Lumpur*, Manila, Silicon Valley, São Paulo, Mexico City, London, Paris, Brussels, Nairobi and Sydney. TMI is also well positioned to provide a wide range of global legal services through its Chinese service group, French practice group, India desk, and Korean desk located in its Tokyo office, as well as its joint venture relationships in Japan with Simmons & Simmons LLP (UK), Morgan, Lewis & Bockius, LLP (US), and ARQIS Foreign Law Office (Germany). *Affiliated Office
Media contacts
Angela Welsh, Marketing & Communications Manager
T: +61 2 9392 7454 | M: +61 414 281 902
E: angela.welsh@jws.com.au
Maureen Grose, Marketing & Business Development Director
T: +61 2 8247 9697 | M: +61 447 004 445
E: maureen.grose@jws.com.au