• Stockholms University, LL. M, 1990


  • Partner Mannheimer Swartling Advokatbyrå, 1998-2004
  • Associate Mannheimer Swartling Advokatbyrå, 1992-1997
  • Staff attorney IBM Svenska AB, 1990-1991



Johan Winnerblad garners considerable praise for his transactional practice. He often acts on the sell side and offers particular experience in small and mid-cap venture capital mandates. Clients say: "He is experienced, knowledgeable, quick to respond and efficient." Chambers & Partners 2020

The 'dedicated' Johan Winnerblad is ranked as a "Leading individual" hos Legal 500, 2019.

Clients enthuse that he has "an extremely high energy level, a short response time and is very experienced and knowledgeable." (Private Equity) Chambers & Partners 2019

Described as an experienced practitioner who is "super efficient and responsive" with "very broad skills," Johan Winnerblad  handles a range of transactions, including deals in the venture capital space. (Corporate/M&A) Chambers & Partners 2019

Johan Winnerblad is ranked as Market leader at IFLR 1000 2019

Johan Winnerblad is ranked as a "Leading individual" hos Legal 500, 2018.

Johan Winnerblad co-heads the firm's corporate team and continues to handle a large volume of M&A transactions, including numerous mid-market deals as well as the largest mandates. One interviewee notes: "He is one of the most experienced M&A lawyers in the Nordics." (Corporate/M&A) - Chambers & Partners 2018

Johan Winnerblad is described as a "very sharp" and "pragmatic" practitioner with "a lot of experience." (Private Equity) - Chambers & Partners 2018

Johan Winnerblad is a prominent practitioner acting on a range of transactions from small to large-cap M&A. He frequently advises clients in the financial services, TMT and life sciences sectors. According to sources, he is "energetic and really skilled." (Corporate/M&A) - Chambers & Partners 2017

Johan Winnerblad stands out to clients for his expertise and clear communication: "He is very knowledgeable, very easy to communicate with and he gives straight answers." The same source adds that he is "very responsive and really focused." He advises on a mixture of private equity investments and mid-sized transactions, with a particular focus on venture capital deals. (Private Equity) - Chambers & Partners 2017

Johan Winnerblad acts on behalf of clients in the life sciences, financial services, IT and telecommunications sectors. He advises on both public M&A and private equity transactions and is described by market sources as a "very strong" practitioner. (Corporate/M&A) - Chambers & Partners 2016

Interviewees say Johan Winnerblad is "very strong - very nice to work with and always extremely pragmatic in negotiations." (Private Equity) - Chambers & Partners 2016

Johan Winnerblad is described as "a very hands-on partner" and is best known for his busy practice in small and mid-cap M&A transactions. (Corporate/M&A) - Chambers & Partners 2015

Johan Winnerblad handles M&A-related transactions and exits. Clients explain that he is a "good negotiator, solution-oriented, pragmatic and very experienced." Cases this year include acquisitions and sales of portfolio companies. (Private Equity) - Chambers & Partners 2015

Johan Winnerblad is described as "a high-velocity lawyer" and noted for his busy practice (Corporate/M&A). - Chambers & Partners 2014

A highly respected transactional lawyer, Johan Winnerblad,"He is a key adviser; he is extremely attentive and responsive to our needs," clients enthuse". (Private Equity) - Chambers & Partners