Heraeus files patent infringement lawsuit against Giga Solar Materials

Facebook
Twitter
LinkedIn
Reddit
Email

Germany-based PV materials manufacturer Heraeus has filed a patent infringement lawsuit against Taiwan-based PV materials specialist Giga Solar Materials Corp for allegedly infringing a patent held by Heraeus over front-side metallisation paste materials used for solar cells.

In its complaint filed at the Intellectual Property Court in Taipei, Taiwan, the company claimed that Giga Solar sold three series of its patented front-side silver pastes to cell manufacturers in Taiwan.

This article requires Premium SubscriptionBasic (FREE) Subscription

Unlock unlimited access for 12 whole months of distinctive global analysis

Photovoltaics International is now included.

  • Regular insight and analysis of the industry’s biggest developments
  • In-depth interviews with the industry’s leading figures
  • Unlimited digital access to the PV Tech Power journal catalogue
  • Unlimited digital access to the Photovoltaics International journal catalogue
  • Access to more than 1,000 technical papers
  • Discounts on Solar Media’s portfolio of events, in-person and virtual

Or continue reading this article for free

The patent TWI432539 covers the use of leaded and lead free tellurium glasses in the production of metallisation pastes.

Andreas Liebheit, head of Heraeus Photovoltaics Global Business Unit, said Heraeus invests heavily in developing innovative metallisation pastes and said the advances made by the company benefits the PV industry by improving solar cell technology.

He added: “Our in-depth paste manufacturing knowledge and expertise are protected with strong patents to ensure that our customers can rely on Heraeus as a long-term industry leading supplier for advanced metallisation solutions.”

Read Next

July 11, 2025
The Australian Energy Market Operator (AEMO) has revealed that several utility-scale solar PV power plants experienced curtailment of above 25% in the National Electricity Market (NEM) in 2024.
July 10, 2025
German renewables company BayWa r.e. has secured a €3 billion (US$3.5 billion) loan for 'operational initiatives and pipeline expansion.'
July 10, 2025
US renewables developer Invenergy has launched commercial operations of 250MW Fairbanks Solar Energy Center in Sullivan County, Indiana. 
July 10, 2025
US solar residential installer Sunnova has entered into a stalking horse asset purchase agreement with Omnidian for some of its assets.
July 10, 2025
A report published by the US Department of Energy (DOE) this week claims that the previous government’s support for renewable energy could cause blackouts to “increase by 100 times” by 2030.
July 10, 2025
UbiQD has signed a supply agreement with First Solar to supply its fluorescent quantum dot technology for use in the latter’s PV panels.

Subscribe to Newsletter

Upcoming Events

Media Partners, Solar Media Events
September 2, 2025
Mexico City, Mexico
Solar Media Events
September 16, 2025
Athens, Greece
Solar Media Events
September 22, 2025
Bilbao, Spain
Solar Media Events
September 30, 2025
Seattle, USA
Solar Media Events
October 1, 2025
London, UK