As readers here have posted recently, Steorn filed for the trademark "STEORNLAB" back on September 7th, 2007. From the goods and services section of the trademark:
"Providing test methods, namely, hardware and software to measure characteristics of mechanical systems, namely the torque and energy associated with mechanical systems and magnetic properties of materials"
It is unclear if this is related at all to the steornlab google page. I doubt Steorn would file a trademark strictly to thwart some hobbiest, but who knows. If anyone is familiar with trademark law, why would Steorn need to file this if they already have the trademark on Steorn?
Steorn is still alive and up to something, but now that they have gone radio silent, there hasn't been much to report. Any nugget of news or information, even as small as a trademark filing, is all we have to go on for now.