Ah, Calvin Klein pants, the staple Christmas present for every man and teenage boy across the country. That's not sarcastic - I know multiple men who don't buy their own pants cause they get them as a ...

Lovers of figure-hugging yoga wear are a highly-prized market these days. And now, Lululemon Athletica Inc. wants to stand between them and their Calvins. Lululemon's skyrocketing popularity has been ...

TORONTO – Trendy yoga gear maker Lululemon Athletica Inc. is suing Calvin Klein Inc. for patent infringement, accusing the designer of copying a waistband used on its popular body-hugging pants.

Lululemon Athletica Inc., which built its brand on bum-hugging yoga wear, wants other manufacturers to keep their hands off its pants. The Vancouver-based retailer announced on Tuesday that it has ...

Seldom does the phrase "sue the pants off" literally apply to every lawsuit, but in the case of Lululemon Athletica versus Calvin Klein Inc. accusations are flying that the fashion house has infringed ...

TORONTO – Trendy yoga gear maker Lululemon Athletica Inc.’s signature body-hugging pants have become so integral to the popularity of the brand that it is suing Calvin Klein Inc. for patent ...