Trina Solar to ‘aggressively defend position’ in Hanwha patent case

Facebook
Twitter
LinkedIn
Reddit
Email
Under the injunction, Trina Solar is prohibited from selling the infringing products in Germany. Image: Trina Solar.

Trina Solar has said it will challenge a court decision in Germany that found the company has infringed patented technology from rival PV module manufacturer Qcells.

Qcells’s parent company, Hanwha Solutions, announced today that a regional court in Germany found Trina Solar (Germany) to be infringing the German part of European Patent EP 2 220 689 B1 and issued a preliminary injunction.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Under the injunction, Trina Solar is prohibited from importing, marketing and selling the infringing products in Germany.

In a preliminary injunction request for alleged patent infringement filed in October, Hanwha Solutions alleged that that Trina Solar is unlawfully importing and selling solar modules in Germany that infringe a patent owned by the South Korean company.  

The patent is for passivation technology developed by Qcells and commercialised as its proprietary Q.ANTUM technology, which Hanwha said plays a role in improving the efficiency and performance of silicon-based solar cells.

It is alleged in the preliminary injunction request that Trina Solar (Germany) – a subsidiary of China-headquartered Trina Solar – offers for sale in Germany solar modules in the Honey and Vertex X ranges that contain cells that infringe the patent in question.

In a statement sent to PV Tech, Trina Solar said it will “aggressively defend” its position and “not rest until the case has been dismissed”, adding: “We do not agree with any allegations of patent infringement as the raised claims lack any legal grounds or justification.”

The development comes after a regional court in Germany found in 2020 that three other module manufacturers – JinkoSolar, REC Solar and LONGi Solar – had unlawfully incorporated Qcells patented technology into their respective solar products. The three companies have appealed the court’s judgement.

Last year Qcells filed patent infringement complaints in Germany against Astronergy, with a separate filing also made in France.

Read Next

September 18, 2026
SMA has opened a new Gigawatt Factory in Niestetal, Germany, expanding its manufacturing capacity for utility-scale energy technologies.
September 17, 2026
Zelestra has signed a PPA with German steel manufacturer Salzgitter Flachstahl for a new solar-plus-storage portfolio in Germany.
September 16, 2026
Over 90% of solar industry professionals report a growing project deployment pipeline in 2026, but new projects that are abandoned before completion now account for almost half of all project pipelines.
September 10, 2026
Hamburg-based solar PV construction firm Pvwerk has filed for reconstruction just days after its sister company, Enerparc, announced insolvency.
September 8, 2026
Solar installations grew slightly in Europe in the first half of 2026 compared to last year, according to new figures from SolarPower Europe.
September 4, 2026
Germany and the wider EU can use its research and development strengths to stay competitive in the global solar PV manufacturing industry, according to a group of industry and research bodies.

Upcoming Events

Solar Media Events
October 13, 2026
San Francisco Bay Area, USA
Solar Media Events
November 3, 2026
Málaga, Spain
Solar Media Events
November 24, 2026
Warsaw, Poland
Solar Media Events
February 2, 2027
London, UK
Solar Media Events
April 20, 2027
Istanbul, Türkiye