3 trademarks were found for owners matching the name Kok Sin.
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1 TM: 2387773
Desc: IceSpring
Owner: Kok Sin
Class: 25
Status: Registered: Registered/protected
2 TM: 1652831
Desc: GradStart
Owner: Adam Kok Sing Chan
Class: 35
Status: Registered: Renewal due
3 TM: 667983
Desc: ACIKKOO
Owner: Francis Ling Sing Kok
Class: 25
Status: Lapsed: Not accepted