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Amazon Loses Challenge to ZitoVault Encryption Patent (1)

Nov. 16, 2018, 2:53 PM

Amazon.com Inc. has lost a bid to invalidate a patent for improving the handling of encrypted communications.

The e-commerce giant failed to show ZitoVault LLC’s patent was covered by a prior invention, the U.S. Court of Appeals for the Federal Circuit ruled Nov. 16. on a 2-1 vote. The ruling affirmed a decision by the Patent Trial and Appeal Board.

Amazon challenged the patent after ZitoVault, a Carlsbad, Calif.-based cybersecurity company, sued it for infringement in 2015. Amazon had disputed ZitoVault’s infringement claims in its 2017 annual report and said it would defend itself “vigorously.”

The case, in which ZitoVault...

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