On Sept. 1, jewelry manufacturer Jewel­Pops sued Royal Chain for allegedly copying more than 100 copyrighted Kameleon collection designs with its Karisma line, as well as adopting a similar logo, marketing materials, and accessories.The complaint, filed in the U.S. District Court for the Southern District of New York, seeks damages, plus a court-issued restraining order against Royal Chain to prevent the company from selling its new line.A statement from Royal Chain says its line was designed in-house without copying any Kameleon design features.“There are no real specifics supporting their claim, which makes this a frivolous complaint,” says Max Moskowitz of Ostrolenk Faber, the legal firm representing Royal Chain.On Sept. 30, JewelPops launched a similar suit against another big name, Helzberg Diamonds, over the 234-store chain’s Pop Expressions line, which JewelPops called “c