As a worldwide brand, WD-40 Co. faces considerable challenges enforcing patent protections for its lubricant formulas and also trademarks of its packaging.

As a worldwide brand, WD-40 Co. faces considerable challenges enforcing patent protections for its lubricant formulas and also trademarks of its packaging. Photo by Jamie Scott Lytle

— Imitation may be the sincerest form of flattery, but it’s a headache for WD-40 Co...

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