There were 3 parts to the Interview.
The 1st was a writing exercise, simply fixing an email as per the instructions given. No legal knowledge needed for this stage.
The 2nd was an interview with a partner and a member of HR. Both were friendly. They had a set of questions that they had to ask, even if you had already covered some parts of those questions in your previous answers. This led to some instances of me needing to repeat examples of my skills and experiences.
The 3rd stage was the most fun. They sent me an article on autonomous vehicles and we then discussed the article's contents and the general factors affecting this market. I really enjoyed this part and it definitely felt more of a conversation than the 2nd stage.