Federal Court Rules That Coolsavings.com Should Not Have Been Awarded Summary Judgment In Patent Infringement Case

The United States Court for the Federal Circuit in Washington D.C. ruled that the Northern District of Illinois in March 2001 improperly granted summary judgment to Coolsavings.com and found that they did not infringe, either literally or by equivalents, the claims of Catalina’s U.S. Patent No. 4,674,041 (the ‘041 patent). The court determined that the district court erroneously relied on language in Claim 1 and misapplied prosecution history estoppel doctrine and remanded the case back to the district court.

The following questions have been addressed in this article:

What does Catalina’s patent describe?
How does Coolsavings online system work?
How did the lower court determine to grant summary judgment to Coolsavings?
How did the United States Court of Appeals determine to reverse and remand the decision of the trial court?
Have Coolsavings been involved other lawsuits regarding its technology and method of doing business?


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