Special correspondent Lucy Manning explains why the Hight Court has ruled that search warrants used to search Mr Mountbatten-Windsor's home were unlawful.
A criminal investigation into the former prince continues and police have retained material seized from his homes.
Simon Andriesz said he felt let down by the UK's Financial Conduct Authority before his death last month.
Andrew Mountbatten-Windsor is taking action over search warrants issued ahead of his arrest in February.
Mountbatten-Windsor's lawyers are challenging warrants used relating to his arrest in February on suspicion of misconduct in public office.
Andrew Mountbatten-Windsor is taking legal action against Thames Valley Police over his arrest in February.
There has previously been no lawful mechanism for removing someone's Freedom of the City.
The former Duchess of York is renting a six-bed house in the Home Counties, reports say.
Alex Jenkinson, 39, is accused of causing the former duke to "fear unlawful violence" as he walked his dogs.
