The Acufloor v. EvenTile case presents a significant claim construction issue regarding the definition of "edge" in tile patent claims. The dispute involves whether the term encompasses the very boundary of the tile or extends inward. The district court favored a narrow definition, limiting "edge" to the precise termination line of the tile. However, both the majority and dissent on appeal found this interpretation too restrictive, with differing views on the extent of the "edge" in relation to mortar contact. The case highlights the complexities of patent interpretation.
The majority construed 'edge' to include the boundary line of the tile, but also extends slightly inward to include some portion of the tile's surface.
The dissent argues for a broader construction where the 'edge' is defined as a region around the tile's boundary, not requiring mortar to reach the boundary line.
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