Goyuix writes "According to the IT Observer, publicly owned companies who are using Linux, could be violating the federal securities laws as part of Sarbanes-Oxley. The article goes on to say that companies are required to "disclose ownership of intellectual property to their shareholders." How are these companies supposed to really list out all the IP owners if they were to install a full desktop or server environment - there could be literally thousands of parties listed! What are the current Fortune 500 companies doing, as many of those use Linux in one form or another?" update
several people have pointed out that this is about companies who are violating the GPL, not everyone.