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Maxeon and Qcells Call a Truce: The TOPCon Patent War Just Went Underground

Close up of TOPCon solar cell texture with technical patent diagrams overlaid
A quiet settlement between Maxeon and Hanwha shifts the TOPCon battle from public courts to private boardrooms.
Maxeon and Hanwha have agreed to dismiss a court case in which Maxeon accused Hanwha of patent infringement pertaining to TOPCon technology.

The Financial Reality Check

When two giants like Maxeon and Hanwha Qcells suddenly drop their gloves, it’s rarely because they realized they were wrong. It’s because the cost of fighting became higher than the cost of a quiet deal. Maxeon is currently undergoing a massive restructuring with TCL Zhonghuan taking a majority stake; they simply don't have the liquidity to bankroll a multi-year legal crusade against a heavyweight like Hanwha while their share price is treading water near all-time lows.

The 'Toll Booth' Strategy

For the European EPC or project developer, don't mistake this dismissal for a ceasefire in the broader TOPCon patent wars. Maxeon still holds a formidable IP portfolio regarding Tunnel Oxide Passivated Contact (TOPCon) structures. By settling with a peer like Hanwha, they likely established a cross-licensing agreement that validates their patents without the risk of a court ruling that could invalidate them. This is a strategic pivot: Maxeon is positioning itself as the 'toll booth' for TOPCon technology. If you are importing 50MW of unbranded or Tier-3 TOPCon modules into Rotterdam for a project in Germany, you are still very much in the crosshairs.

The EPC Indemnity Trap

We’ve seen this pattern before with the PERC patent battles. The giants settle, but the mid-tier manufacturers get squeezed. If you’re signing procurement contracts today, you need to look very closely at your intellectual property indemnity clauses. If a patent holder like Maxeon decides to target a smaller Chinese manufacturer whose modules you’ve already installed in a park in Spain, who pays for the replacement? Who handles the legal defense? If your contract doesn't explicitly protect you against 'patent-related' supply disruptions, you're effectively gambling on Maxeon's benevolence. Spoilers: they aren't feeling benevolent right now.

Why it matters: The TOPCon legal risk hasn't vanished; it has just moved from the courtroom to private licensing deals that could drive up costs for non-aligned manufacturers.
📰 Read original article at PV Tech →