Patty Smith, an Amazon spokeswoman, declined comment.

Patty Smith, an Amazon spokeswoman, said she was unsure how long the notice would remain on the front page.

Patty Smith, a spokeswoman for Amazon, said the company had not yet seen the I.B.M. lawsuits and would not comment.

Patty Smith, an Amazon spokeswoman, said there was no intent by the company to offer biased search results.

"Once it has been sent to the recipient, it's essentially the property of the recipient and not the sender," said Patty Smith, an Amazon.com spokeswoman.

We're just not saying what that might be," said Patty Smith, a company spokeswoman.

Patty Smith, an Amazon spokeswoman, declined to break out financial data on its so-called third-party sellers initiative, but she said it was "doing fine."

Patty Smith, an Amazon spokeswoman, declined to elaborate on the company's plans.

Patty Smith, an Amazon spokeswoman, declined to answer the question.

Patty Smith, an Amazon spokeswoman, said the company would do nothing to violate this law and had no immediate plans to develop the technology described in the patent.