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Lotus Development controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 1987

    Lotus faces look-and-feel litigation over spreadsheet interfaces

    Lotus pursued copyright and related claims against makers of spreadsheet products that it regarded as imitating the user interface and command structure of 1-2-3.

    Source

  2. 1987

    Spreadsheet look-and-feel litigation

    Lotus sued several developers of lower-cost spreadsheet products, alleging infringement and unfair competition based on similarities to Lotus 1-2-3's interface and command structure. The disputes produced differing outcomes: Paperback Software and Mosaic lost their cases, while Borland ultimately prevailed in the Quattro litigation.

    Source