WASHINGTON (AP) - Lawyers for President Barack Obama's re-election campaign are going to court Monday in Washington to ask a judge to stop a website from selling T-Shirts, bumper stickers and buttons with the campaign's signature "O" logo.

Lawyers representing the campaign filed a lawsuit against the owners of Demstore.com in June. The campaign says the owners of the website, Washington Promotions & Printing Inc., are infringing on their trademark by selling the products. And they say the Obama campaign is losing money and the ability to get the names of supporters as a result.

On Monday the lawyers will ask a judge for a preliminary injunction which would temporarily bar Demstore.com from selling its Obama logo merchandise. Demstore.com's owner says many companies make similar products and aren't being targeted.

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