Hard-disc manufacturers' court battle hots up

Hard-disc manufacturer has launched a countersuit in response to a patent infringement lawsuit filed in the US in June by rival...

Hard-disc manufacturer Cornice has launched a countersuit in response to a patent infringement lawsuit filed in the US in June by rival manufacturer Seagate Technology.

Seagate's case alleged that Cornice's one inch Storage Element hard drives violate six of its patents covering a range of technologies, including the guiding system for the actuator arm that scans the surface of the disc for data.

It seeks to prevent Cornice from selling the Storage Element drives in the US, and includes a claim for damages.

In July, Seagate took its claims to the US International Trade Commission, seeking to block the import of any device that contains a Storage Element hard drive.

Cornice's countersuit seeks a ruling that Seagate's patents are invalid, unenforceable, and not infringed by Cornice's products. It also alleges that Seagate's lawsuit is baseless and constitutes unfair competition and tortious interference, entitling Cornice to damages from Seagate.

Cornice faces similar allegations of patent infringement from another hard-disc maker, Western Digital. In June, it filed a patent infringement lawsuit against Cornice in the US.

In that suit Western Digital alleged that Cornice has infringed on seven of its patents related to hard-disc technology and is seeking damages and a ruling that will prevent Cornice from further infringements.

Sumner Lemon writes for IDG News Service

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