Under Article 17 of the GDPR, you have the right to have most of your personal data deleted. Data controllers must usually comply with your erasure request within one month. But what data can companies typically keep about you after your request – what about invoices, for example? And what can you do if they don’t comply with your request? I discuss the civil court remedies that were available to me when I found out that a company stealthily kept my sensitive personal data, even though I’d asked for it to be deleted months earlier.