It’s not my fight, but found a link about Wizards asking people to take down or modify OSRIC stuff because of I.P. issues:
http://timbrannan.blogspot.com/2011/10/more-osric-players-guide-woes.html
It is not something I know anything about, but thought some readers might be interested.
Edit: changed title from “WOTC cease and desist orders” to “WOTC cease and desist resquest.”