Ben Lincoln, energy expert at intellectual property law firm Potter Clarkson, looks at patent filing activity in energy storage technologies outside the world of electrochemical batteries.

ESS Inc has improved ability to recognise revenues and reduced direct costs of production of its flagship product by 30% in Q2 2023.

Hydrogen increasingly looks likely to have a role to play in achieving decarbonisation targets worldwide, and investments and innovation are scaling up. But costs remain high and for clean hydrogen to be most effective at integrating high shares of renewable energy, storage is a vital piece of the puzzle, writes Georgina Ainscow, a Senior Patent Attorney at Reddie & Grose, a firm of European and United Kingdom patent, trade mark and design attorneys.