Len Mancini joined Maxwells in 2004 as a Solicitor and as a technical assistant. Len graduated from the Australian National University in 1997 with a Bachelor of Science with Honours, majoring in Genetics and Molecular Biology and in 1998 with a Bachelor of Laws. He was admitted as a Solicitor of the Supreme Court of NSW in 1999 and was registered as a Patent and Trade Mark Attorney in 2006.

As a Patent and Trade Mark Attorney, Len prosecutes trade mark applications including, when necessary, the preparation of evidence for use during prosecution and opposition proceedings. With respect to patents, Len is involved in drafting patents for local clients in a range of industries including the information technology and computing industry. Len also provides product clearance and infringement advices in respect of a range of industries, but particularly in the field of pharmaceuticals. Len is also involved in the provision and advice and representation in respect to contentious IP issues, including copyright and internet domain name disputes.

With litigation skills gained from working at Herbert Smith Solicitors in the UK and acting for Roche over the recombainant blood hormone erythropoietin, and ING Australia where Len spent two years in house working in the areas of litigation and regulatory risk, Len is capable of representing a client's interest at every stage of a dispute. At the pre-litigation stage, Len provides infringement advice, drafts and responds to letters of demands and prosecutes patent and trade mark oppositions. If the matter cannot be resolved, Len, as a Solicitor of the Federal and High Courts, is able to take matters futher by either commencing or defending proceedings on behalf of the client.