Motorola sues Aruba over WLAN patents

Two subsidiaries of phone giant Motorola are suing Aruba Networks over two alleged patent infringements relating to wireless LAN architecture.

The case relates to patents that Motorola acquired through its purchase of the two companies, Symbol Technologies and Wireless Valley Communications. Those subsidiaries are the claimants in the Aruba suit, which was filed on Monday at a court in Delaware — the US jurisdiction in which Aruba is registered.

Four patents are specified in the suit. The Symbol patents involved include one covering "security in multiple WLANs" (7,173,923), and one for "multiple WLANs occupying overlapping physical spaces" (7,173,922).

Wireless Valley's supposedly infringed patents include "method and systems for designing or deploying a communications network which considers frequency dependent effects" (6,625,454) and "system and method for design, tracking, measurement, prediction and optimisation of data communications networks" (6,973,622).

Motorola is seeking an injunction against Aruba Networks' continued distribution in the US of the allegedly offending products, as well as damages.

Aruba refused to comment on the lawsuit at the time of writing.

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