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ARTICLE · 21 APRIL 2026

Patent Disputes In ESS Are On The Rise: Here’s How Developers Can Prepare

Energy storage systems are evolving from emerging technology into critical infrastructure, bringing with them a surge in patent disputes that now define competitive dynamics across the sector.

GuernseyIntellectual Property

Stationary energy storage has moved from pilot projects to critical infrastructure. As the sector scales—larger deployments, tighter timelines, and increasingly complex system integration—another trend is accelerating in parallel: patent disputes are becoming a routine feature of competition in batteries, power conversion, thermal management, safety systems, and controls.

For many storage companies, ‘IP risk’ still feels like a legal issue that appears late in the lifecycle—after a product is on the market or a competitor’s complaint arrives. In practice, patent disputes increasingly surface at the exact moments when storage businesses are most operationally exposed: during scale‑up, sourcing transitions, integration of third‑party components, and expansion into new markets.

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