Acquiring a doctorate degree in engineering typically takes between 4 to 10 years, with an average of around 6 to 7 years. The process involves completing high-level coursework, passing qualifying exams, and conducting research culminating in a thesis. For those pursuing a PhD or DPhil, the research phase generally lasts 3 to 4 years, although this can vary based on whether the student enters directly from a bachelor's or after obtaining a master's degree. In the UK, funding is often limited to 3 years, requiring students to self-fund if they exceed this timeframe. Discussions also highlight that the median completion time for a PhD may be closer to 5 to 6 years, particularly in the US.