This document discusses issues related to handling complaints from research students. It outlines some key characteristics of research students, including power imbalances with supervisors and less structured programs. The document then presents five case studies involving research students to illustrate different types of complaints that may arise. These include issues related to employment after failing an academic program, mental health issues, pressure to submit a thesis by a deadline, harassment at a partner institution, and relationship problems affecting the work environment. The document concludes by providing contact information for the complaints coordinator to discuss these matters further.