He previously worked at Broad and Cassel, where he was partner.
Nelles focuses on complex commercial and intellectual property disputes, covering patents, copyright, trademarks, trade secrets and internet liability.
Paul Singerman, co-chair of Berger Singerman, said: “Matthew Nelles has extensive knowledge of the intricacies of intellectual property law based on his technical background, his business experience before his legal career and his many past successes, and he will complement and add yet more depth to the talent of our dispute resolution team in this important specialised practice area.”
“We are very pleased that Matthew Nelles was attracted to our collaborative and entrepreneurial culture. We look forward to having him on our team.”