FILE - In this Sept. 29, 2013 file photo, Kanye West, left, and Kim Kardashian leave after attending Givenchy's ready-to-wear Spring/Summer 2014 fashion collection in Paris. Marriage is coming after the baby carriage for Kim Kardashian and Kanye West. E! News reports West proposed to Kardashian Monday, Oct. 21, 2013, on Kardashian's 33rd birthday, in front of family and friends at the AT&T Park. Kardashian gave birth to the couples first child, daughter North West, in June. Representatives for 36-year-old West and Kardashian didn't immediately respond to emails seeking comment about the engagement. (AP Photo/Zacharie Scheurer)
Kardashian and West are seeking unspecified damages from Hurley and his company, Avos Systems Inc.
"Exclusive rights, such as those sold by plaintiffs to publication of video of the event, are particularly valuable," the lawsuit states. "If people violate these rights ... they are of substantially diminished value."
A message sent through MixBit seeking comment from Hurley was not immediately returned.
West proposed to Kardashian on her 33rd birthday; the couple's first child North West was born in June.
The lawsuit was first reported by celebrity website TMZ.
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