Use Restrictions
Mr. Yuk and his graphic rendering are registered trademarks and service marks of the Children's Hospital of Pittsburgh of UPMC, and the rendering itself is additionally protected by copyright. This means that the name and graphic image cannot be used without a license from the owner—unlike the skull and crossbones symbol, which is in the public domain.
The Children's Hospital of Pittsburgh of UPMC gives out free sheets of Mr. Yuk stickers if contacted by mail.
Mr. Yuk materials can also be ordered online from the University of Pittsburgh.
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