ABOUT: U.S. Patent and Trademark Office
AGS cut-grading system receives fourth patent
Las Vegas—The American Gem Society's (AGS) new Performance-Based Cut Grading System has received its fourth patent, the AGS announced. August 29, 2008 | National Jeweler Network
AGS diamond-grading system gets three patentsLas Vegas—The American Gem Society (AGS) has been granted three U.S. patents, the first in the organization's 74-year history. May 23, 2008 | National Jeweler Network
WJA to host intellectual-property seminarNew York—An intellectual-property lawyer will offer insight on copyrights, patents and trademarks to industry members during a lecture on Feb. 13 at 6 p.m. at Alfredo's of Rome restaurant in... January 03, 2007 | National Jeweler Network
Sonya Ooten gets earring patentLos Angeles—The U.S. Patent and Trademark Office has granted jewelry designer Sonya Ooten a patent for her signature metal crochet earrings, the popular "Cosmos" design. September 07, 2007 | National Jeweler Network
Zale sued over 'Love Rocks' campaignDallas--A Texas jewelry company is suing Zale Corp., alleging that the jewelry chain's "Love Rocks" advertising campaign infringed upon its trademark. February 17, 2009 | National Jeweler Network
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