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ARTICLE · 12 FEBRUARY 2026

When Knockoffs Arrive Overnight But Justice Takes Years

For a moment, place yourself in the position of Spin Master, Ltd., a Canadian toy company that spent over a decade developing, patenting, and marketing its Zero Gravity...

United StatesIntellectual Property

I. The Discovery Every Patent Holder Dreads

For a moment, place yourself in the position of Spin Master, Ltd., a Canadian toy company that spent over a decade developing, patenting, and marketing its Zero Gravity® toy cars; vehicles that, through a carefully engineered venturi duct exploiting Bernoulli's Principle, can drive up walls and race across ceilings. The technology earned industry awards, commercial success, and a portfolio of patents. Then, in 2022, Spin Master discovered a growing number of sellers on Amazon, most of them based in The People's Republic of China with names designed to frustrate identification, offering near-identical wall-climbing cars at a fraction of Spin Master's price.

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