Patent 7,043,450 (the '450 patent) has been asserted by Paid Search Engine Tools, LLC against Microsoft Corp. and Google, Inc. in federal district court alleging patent infringement. The '450 patent pertains to a system for monitoring keyword bids across one or more search engines so that that marketers can make adjustments to their pay-per-click bids. This patent may impact any party that is in the business of selling keywords for advertising and marketing. The challenge is to determine whether the patent is valid.
WHAT'S NEEDED: REQUEST FOR INFORMATION
Prior Art
Patents and Published Patent Applications Filed in the U.S. Prior to December 20, 2001
December 9th, 2008
This patent application was filed on December 20, 2002, resulting in an earliest date of invention of December 20, 2001. While it is possible that the invention did not occur until after December 20, 2001, finding relevant prior art before that date assures it application. Such prior art may include patent issued before December 10, 2002, and/or published patent applications that were filed in the U.S. prior to December 20, 2001.
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