Overland Park-based Great Plains Trust Co. filed a lawsuit in the U.S. District Court in Kansas against a Lenexa company for trademark infringement and unfair competition. Great Plains Trust argues that Great Plains Annuity Marketing Inc. is violating its trademarks willfully and purposely. Great Plains Trust said in the court filing that it sent a cease and desist letter to Great Plains Annuity and made several attempts to try to resolve the matter, but that Great Plains Annuity has firmly stated...
