Does the Patent Trial and Appeal Board (PTAB) have the constitutional authority to revoke patents? Greg Dolin, a professor at the University of Baltimore, explains the conflict over patents at the heart of the recently argued Supreme Court case, Oil States v. Greene's Energy.

As always, the Federalist Society takes no position on particular legal or public policy issues; all expressions of opinion are those of the speakers.

Learn more about Greg Dolin: http://law.ubalt.edu/faculty/profiles/dolin.cfm