The EPO has published patent application EP4216349A1 for Contemporary Amperex Technology (Hong Kong) Limited, covering battery technology, electrical devices, and the method and apparatus for manufacturing batteries. The application received A1 publication status on March 25, 2026. Designated states include all EU member states plus other European countries (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR).

This is a patent publication notice, not a regulatory rule. It does not impose compliance obligations on third parties. Competitors developing similar battery technologies should review the patent claims when granted to assess potential licensing requirements or design-around needs.