A growing chorus of opposition has emerged around the Stop Online Piracy Act (SOPA) now pending in the House, as well as its Senate counterpart, the PROTECT-IP Act. If enacted, SOPA would provide unprecedented power for law enforcement and private actors to force service providers to block access to internet sites or shut off revenue streams. This panel will explore the potential impact of SOPA on Silicon Valley, the concerns that have been voiced by legal scholars, technology companies, entrepreneurs, engineers and venture capitalists, and what the technology sector can do to make a difference in the outcome of this bill.