By Ian Walker

LONDON--Koninklijke Philips NV (PHIA.AE) said Thursday it will appeal the jury verdict in the patent infringement lawsuit by Masimo Corp. (MASI) in the U.S. District Court for the District of Delaware against Philips.

The lawsuit, which started in 2009, alleges that certain Masimo patents are infringed by those Philips products which incorporate the Philips FAST SpO2 pulse oximetry measurement technology--a non-invasive technology to measure the level of oxygen saturation in a patient's blood, the Dutch health and well-being company said.

As part of the decision that Philips will appeal, Masimo was awarded a compensation of $467 million, it said.

"We are very disappointed in the verdict of the jury and surprised by the magnitude of the proposed award," Frans van Houten, Royal Philips' Chief Executive, said.

"Philips intends to pursue all avenues of appeal of this verdict at both the District and Appellate courts in the U.S.," he added.

Write to Ian Walker at ian.walker@wsj.com

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