Bayer AG’s (BAYN) CropScience unit, maker of the Chipco Signature fungicide, filed a lawsuit claiming Syngenta AG’s (SYNN) Appear product uses its patented technology and falsely claims to be a superior product, according to an article in Businessweek April 17.

Leverkusen, Germany-based Bayer, in a complaint filed April 16, asked a federal court in North Carolina to order the infringement and marketing pitch stopped, as well as cash compensation for any loss of sales or reputation.

The patent, called “fungicidal compositions for the enhancement of turf quality,” was first issued in 1997. Bayer last week said it was beefing up its turf and ornamentals management, including appointing a product manager for fungicides. To read the article in Businessweek, click