Logan Paul and Lionel Messi are embroiled in a legal dispute over their respective hydration drink companies, Prime Hydration and Mas+. The conflict has escalated, with Prime Hydration filing a countersuit against Mas+ for alleged trademark infringement related to bottle design. The allegations include claims of anti-competitive behavior from both sides. This legal battle highlights the competitive landscape in the beverage industry, particularly among celebrity-backed brands aiming to capture market share in the hydration segment.