Most Hapkido does not contain and Kata. In it's place we (personally) spar instead. This being said, some Hapkido instructors have put together their own kata and some have borrowed. Mostly though any kata you see will be in a TKD school that teaches a limited HKD ciriculum.
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D.W. McCullar, Hapkido
I.H.K.A./I.H.M.U.Ca. Chief Instructor, 5th Dan
www.ihmuca.com