I have a short genric uk domain, worth £x,xxx or more on a good day. Lawyers for a US TM holder politely asked for a price, and I replied with a reasonable (low) figure assuming a straightforward transaction. I find it annoying that they now use spurious allegations of IP infringement as a negotiating tool. This is not about the merits of a possible dispute, I am happy to respond to any formal action. They allege cybersquatting, but it is almost certainly the reverse. If I had quoted a high price then I would say fair enough, but in this situation I am inclined to end discussions. What would you do?