Know Your Rights is Engadget's new technology law series, written by our own totally punk copyright attorney Nilay Patel. In it we'll try to answer some fundamental tech-law questions to help you stay out of trouble in this brave new world. Disclaimer: Although this post was written by an attorney, it is not meant as legal advice or analysis and should not be taken as such.Hey, does T-Mobile really own magenta? I was just about to redesign my blog, and that was going to be the main color.Really? Maybe T-Mo should sue you.Come on, I've been hearing this everywhere. 1265 Diggs can't be wrong.Wel