Upasana is a Singapore Registered Patent Attorney, as well as a UK Chartered Patent Attorney. She specialises in the fields of chemical and process engineering, biopharmaceutical engineering, pharmaceutical, nano and clean technology. Upasana's practice includes drafting and prosecuting patent applications, as well as advising on infringement, validity and patentability issues. In addition to patents, Upasana also deals with design matters. Her clients include SMEs, MNCs and academic institutions. Upasana has recently been listed as an expert by Who’s Who Legal and as “one of the leading minds in pharmaceutical and technological patents”.