She was previously a research engineer with a company in London and the Manager of the Avionics Engineering Department of JAT (Yugoslav Air Transport) before qualifying as a registered patent and trademark attorney. She has handled numerous Patent Applications, Trademark Applications, Registered Design Applications and enforcement of IP rights actions for domestic and international clients.

She currently represents clients from Canada, Germany, Great Britain, Hungary, India, Japan, South Korea and the U.S.A. before the Intellectual Property Office in Belgrade. After the break-up of the Former Yugoslavia, Mirjana established a network of associates in Slovenia, Croatia, Macedonia, Bosnia & Herzegovina and Albania extending the firm's services to all these countries.

Her current practice focuses on all aspects of intellectual property protection including obtaining patent and trademark registration and acting with regards to potential infringements. In October 2004 she was appointed the Secretary of the AIPPI National Group for Serbia. Mirjana is fluent in English and French.