patent

April 20, 2026
The US Patent and Trademark Office (USPTO) issued a Final Written Decision on patent litigations launched by Chinese solar manufacturer Trina Solar.
March 27, 2026
The US International Trade Commission (ITC) has begun an investigation into tunnel oxide passivated contact (TOPCon) solar products in the US, following a complaint by US thin-film module manufacturer First Solar.
February 25, 2026
First Solar has signed a patent licensing agreement with UK-based perovskite solar firm Oxford PV to use its technology in the US.
February 6, 2026
Chinese solar PV manufacturer Aiko Solar will license a raft of solar cell technology patents from Singapore-based manufacturer Maxeon.
January 16, 2026
The Patent Trial and Appeal Board (PTAB) of the US Patent and Trademark Office (USPTO) has partially ruled against solar manufacturer Maxeon in several claims against Canadian Solar.
January 6, 2026
The Chinese government has released a range of policy measures to strengthen intellectual property (IP) protections in the country’s solar PV industry.
November 28, 2025
The European Patent Office (EPO) has revoked a patent for a key solar cell manufacturing process, which has been hailed as “good news” for European solar PV manufacturing.
May 21, 2025
US PV module manufacturer Silfab Solar has acquired a patent portfolio for back-contact (BC) solar cells from solar research firm EnPV.
February 10, 2025
Chinese module manufacturer JinkoSolar is suing rival producer Longi in Australia for alleged infringement of technology patents.
January 3, 2025
Maxeon opened the case in June 2023. The case concerns shingled solar cell technology patents used in Maxeon’s Performance line modules

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