Fed. Circ. Revives Inventio's Elevator Patent Suit

Law360, San Diego (June 15, 2011, 4:58 PM EDT) -- The Federal Circuit on Wednesday reversed a finding that Inventio AG’s two patents for updating an elevator system that it asserted against ThyssenKrupp Elevator Americas Corp. were invalid for failing to meet the definiteness requirement.

A three-judge panel held that a Delaware district court improperly ruled that the claim terms “modernizing device” and “computing unit” of Inventio’s patents were means-plus-function limitations subject to Section 112. The appeals panel reversed the lower court's decision and remanded the case.

Inventio sued ThyssenKrupp in 2008, claiming its elevator system...
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