One U.S. senator queries why search engines and Internet service suppliers don't block clients access to pirated music and films online, and legislative body of the U.S. film and song industries praised a novel plan by President Barack Obama's administration to attack on intellectual property violations, through a Senate hearing.

Senators and spectators at the Senate Judiciary Committee hearing severely praised a new plan to struggle intellectual property (IP) violations planned by Victoria Espinel, the White House's initial intellectual property enforcement manager.

The IP enforcement plan, commence Tuesday, is a "significant step ahead" in fighting patent violations, Barry Meyer, chairman and CEO of Warner Bros. Entertainment, told the committee. Strong government hold of patent proprietors is "crucial" for fighting IP robbery, he said.

Witnesses, with legislature of the AFL-CIO, the U.S. Chamber of Commerce and tune publishing corporation Carlin America, told the committee IP violations are estimate the U.S. wealth billions of dollars and hundreds of thousands of jobs.

"It would not shock me if we are on the behind end of the major criminal transfer of prosperity in the history of the world at present," said Sen. Sheldon Whitehouse. "Every industry is just being hovered out."