(Philadelphia, NY April 8, 2009) — Lambda Legal, with the assistance of Kirkland & Ellis LLP, filed a lawsuit today at the US District Court for the Northern District of New York on behalf of Charlie Pratt, who endured years of antigay harassment during his time at Indian River High School, and his sister, Ashley Petranchuk, a sophomore who is trying to start a gay–straight alliance at the same high school years after her brother left.