Heraeus files patent infringement lawsuit against Giga Solar Materials

June 10, 2015
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

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

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

December 17, 2025
Germany has revised down the price ceiling for roof-mounted solar PV systems to €0.1/kWh (US$0.117/kWh) for tenders to be held in 2026.
December 16, 2025
Ecoprogetti has installed a new 400MW module production facility in Oman, to be operated by American Advanced Clean Energy (AACE).
December 16, 2025
The global solar inverter industry will contract over the next two years as major markets in China, Europe and the US confront new volatility, according to energy market analyst Wood Mackenzie.  
December 16, 2025
GameChange Solar will supply 1.2GW of trackers for ACWA Power’s 2GW Khulis solar PV project, currently under construction in Saudi Arabia.
December 16, 2025
The EU’s Economic Security Doctrine has identified solar inverters as a high-risk dependency, a move which the European Solar Manufacturing Council (ESMC) has lauded.
December 16, 2025
Voltage Energy has received what it calls the solar industry’s first full-system 2kV EBOS certification from UL Solutions.

Upcoming Events

Upcoming Webinars
December 17, 2025
2pm GMT / 3pm CET
Solar Media Events
February 3, 2026
London, UK
Solar Media Events
March 24, 2026
Dallas, Texas
Solar Media Events
April 15, 2026
Milan, Italy
Solar Media Events
June 16, 2026
Napa, USA