The patent landscape has changed dramatically in the past two years .
The changes ( of the America Invents Act of 2011 ) are working to eliminate the need for the sweeping changes proposed in H.R. 9 .
The patent landscape has changed dramatically in the past two years , and the changes ( of the America Invents Act of 2011 ) are working to eliminate the need for the sweeping changes proposed in H.R. 9 .