For reference the trademark rules referred to in the letter: https://www.raspberrypi.org/trademark-rules/ https://www.raspberrypi.org/trademark-rules/ and the s

For reference the trademark rules referred to in the letter: https://www.raspberrypi.org/trademark-rules/ https://www.raspberrypi.org/trademark-rules/ and the same page from 1st April 2012: https://web.archive.org/web/20120401195820/https://www.raspberrypi.org/trademark-rules/ https://web.archive.org/web/20120401195820/https://www.raspb... The basic rule that you may not use 'Raspberry Pi' as part of your company name or in your domain name has been there since 1st April 2012 (and indeed potentially earlier, that was the earliest page in the wayback machine archive) though interestingly the 'raspberrypi-spy.co.uk' domain was registered a few days before 1st April 2012 on the 11th March 2012. I wonder if those trademark rules were visible at the time? Doesn't really matter from a legal standpoint though in terms of how you view RPi's conduct here I think it'd be very different if the trademark rules page popped up yesterday vs available to read when the creator of raspberrypi-spy.co.uk started the website. Though it's not a good look to happily leave them to it for so long before enforcing anything. I wonder if there was an initial informal approach that hasn't been tweeted about or if this letter was the first they heard of it? Edit: Minor typo fixes and tweaks to text.