Retail giant Costco Wholesale (COST) is known as a place to buy products in bulk, such as 30 rolls of toilet paper or a 40-pound tub of sugar. Less known as a source for diamond engagement rings, ...

Tiffany, the company that set a new standard for women’s diamond engagement rings when it introduced its trademark setting in 1886, is aiming to start a new marital tradition with a line of engagement ...

The high-end jewelry company contends the "Tiffany" rings sold in Costco falsely lead people on to believe they are genuine Tiffany goods. In the meantime, more people are finding that taking the ...

Items such as Aspirin and Thermos are so common that most people use the name to refer to the product, not the brand. That’s how trademark protections are lost and that’s why corporate America defends ...

Tiffany has filed a lawsuit alleging Costco has been selling counterfeit version's of the luxury jeweler's famous engagement rings. WSJ's Ann Zimmerman has the details on The News Hub. Photo: AP.

Costco Wholesale Corp should hand over $5.5 million to compensate Tiffany & Co for selling counterfeit Tiffany diamond engagement rings, a federal jury said on Thursday. Tiffany is also entitled to ...

Tiffany and Company is alleging trademark infringement and counterfeiting. Feb. 15, 2013 — -- Famed jeweler Tiffany and Company is suing warehouse store giant Costco, claiming it sold knockoff ...

Did you buy that Tiffany engagement ring along with six large cans of cling peaches the last time you made a run to Costco? Well, a Manhattan federal judge said pretrial evidence has established that ...

Tiffany & Co. Diamond and Gold Bracelet from the 2018 Blue Book Collection; Tiffany & Co. Bracelet and Rings. DELPHINE KRAKOFF Formerly an accessories designer, Delphine Krakoff now runs an interior ...

Tiffany & Co. joined forces with Mexican filmmaker Guillermo del Toro to showcase its iconic jewelry in his new adaptation of ...

Costco is off the hook for a $21 million payment to Tiffany & Co., a federal appeals court said Monday. Tiffany accused Costco in a 2013 lawsuit of trademark infringement and counterfeiting for Costco ...