Chuck Grassley actually said...

frequently a bill raises a First Amendment issue 'clad, so to speak, in sheep's clothing.'

Could you describe the unconstitutional chilling effect the enactment of this bill would create?

These patents encumber the ability of taxpayers and advisers to use the tax law freely, interfering with the voluntary tax compliance system...

The America Invents Act makes the U.S. patent system more efficient and streamlined.