Disputes between golf ball manufacturers are common, but they rarely wind up in court. An ongoing skirmish between TaylorMade and Callaway Golf might be the exception. On Jan. 15, TaylorMade filed a lawsuit against Callaway in U.S. District Court in San Diego. In the 24-page document, TaylorMade claims that “Callaway engaged in and, on information and belief, is still engaging in a coordinated marketing campaign to mislead consumers and retailers to believe that Callaway’s golf balls have superior overall quality and performance to other golf balls, including TaylorMade’s golf balls, based on nothing more than how the balls appear under an ultraviolet (“UV”) light. Callaway, its agents, and representatives have conducted misleading UV light demonstrations in which they disparage TaylorMade’s golf balls, including by calling them ‘mud balls,’ and by falsely asserting that TaylorMade balls have uneven paint/coating coverage and poor quality control, leading to poor performance.” The suit further states that “TaylorMade recently obtained...