UK regulations on stock markets are quite tough, publicly listed companies must share information that could impact the company as soon as they can. Public opinion is pretty susceptible to this too due to events in recent years.

I call this good old fashioned and fair to shareholders. Not tough. Wall Street is basically where you get the worst , and unfair treatment as a shareholder.

Signalling a potential lawsuit so that Apple enters into a patent licensing agreement.

Hinting at possible future litigation (and ultimately winning damages from Apple) is them trying to offer some light at the end of a very dark tunnel.