While I am going to get some proper legal advice tomorrow on this, I wondered if anyone had dealt with something similar. I contracted a former colleague to do some work developing an application for me and someone else, on a per hour basis. The developer firstly claimed an obscene amount of hours worked at 425 for something that barely exists or works. The app doesn't is buggy, doesn't work, is built against best practices and has a chrome plugin that does not even work. Then all of a sudden he decided to walk away from the project and demanded £2,000 to hand over the code of the project. It took us a while to respond due one of us having a new baby and the other one moving house/job, but now he has sought legal advice and is requesting £2,650 payment. His original request did not provide a period of time to respond before further action taken and just the day before the email from this tin-pot legal firm, he asked any further update to which that we would provide a respond by tomorrow. While we we're happy to pay the £2,000 just to end all this civilly even though we dispute the amount, the fact he has got a tin pot legal firm with no prior warning and demanding extra money has put a few bees in our bonnet. Now that he has this 'legal advice', is it too late to send a letter of dispute over the work carried out now that we have seen the actual output of the work, even if we did, would it get us anywhere as it's based upon the reliability of his word?