Schweitzer-Mauduit International, Inc. announced that it filed a patent infringement lawsuit recently in the United States District Court against Astra Tobacco Corporation, Delfort Group and German groups Julius Glatz, GmbH, and LIPtec, GmbH, over alleged infringement of their US patent number 6,725,867 for low ignition propensity cigarette paper.
Astra Tobacco is the sales and marketing company for Delfort group in the US.
Glatz GmbH has also recently launched a LIP paper after considerable speculation they were developing a LIP paper.
SWM apparently intends to defend its LIP intellectual property in the courts if necessary. It will be interesting to see if their patents are robust enough to withstand close scrutiny.
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