The company lobbied on tariffs related to semiconductor products, export regulations related to computer equipment, patent reform, federal research and development spending and immigration reform, according to the form posted online Sept. 21 by the Senate's public records office.

Besides Congress, the Sunnyvale, Calif.-based company lobbied the White House, the Commerce and Defense departments, the U.S. Trade Representative's office and other agencies.

Under a federal law enacted in 1995, lobbyists are required to disclose activities that could influence members of the executive and legislative branches. They must register with Congress within 45 days of being hired or engaging in lobbying.