2 sources · updated 3d ago

European Patent Office revokes Hanwha passivation patent

The European Patent Office has revoked Hanwha Solutions' patent on passivation technology for silicon solar cells, citing lack of inventive step. The decision concludes years of litigation between Hanwha Q Cells and competitors including JinkoSolar, Longi, and REC.

Coverage — read at the source

• pv-tech.org · 3d ago

  EPO revokes Hanwha cell passivation patent ↗

  South Korean PV producer Hanwha Solutions, parent company of Q Cells, has had a long-contested passivation patent revoked in Europe.

• pv-magazine.com · 4d ago

  European Patent Office revokes Hanwha’s long-disputed passivation patent ↗

  The European Patent Office has revoked Hanwha Solutions’ 689 patent covering passivation technology used in silicon solar cells, citing a lack of inventive step. The decision follows years of patent litigation between Hanwha Q Cells and solar manufacturers including JinkoSolar, Longi and REC across Europe, the US and Australia. The post European Patent Office revokes Hanwha’s long-disputed passivation patent appeared first on pv magazine Global .