Jinko and REC petition for review of Hanwha patent
The manufacturers are pushing back on the basis for the suit that their Korean/German rival has launched, arguing that there is evidence the innovations they refer to were either not new or were obvious steps forward.
Hanwha Q-Cells’ US PERC Solar Cell Patent Invalidated
On June 28, 2021, the Patent Trial and Appeal Board of the U.S. Patent and Trademark Office (USPTO) issued a final written decision on an inter partes review (IPR) proceeding, declaring all of the patent claims in Hanwha Q-Cells’ U.S. Patent 8,933,525B2 to be invalid. The patent attempts to cover a specific type of PERC […]
Longi releases statement on patent dispute with Hanwha Q-Cells
The Chinese photovoltaic manufacturer said the recent invalidation procedure for its patent at the Chinese Patent Office’s examination and invalidity department is only an administrative examination procedure that only examines whether or not the authorized Chinese patent complies with patent law requirements.
JinkoSolar receives favorable judgment of non-infringement in Hanwha Q CELLS patent claim
The U.S. International Trade Commission has determined that JinkoSolar’s products do not infringe any patent claimed by Hanwha Q-Cells. At the patent’s core is a passivation technology that significantly increases the efficiency of modules.
Morning Brief: Satellites help predict cloud cover for solar plants, REC Group did not infringe Hanwha Q-Cells’ ‘215 patent
Also in the brief: Vistra is increasing the size of its Oakland battery energy storage project, a University of Arkansas professor researching solar project cybersecurity and more.
Hanwha Q Cells loses first round of patent infringement suit
U.S. trade authorities plan to issue an initial determination finding non-infringement on the company’s patents by JinkoSolar, LONGi and REC Group, which could prevent Hanwha from shutting their PERC-based products out of the U.S. market. Hanwha intends to appeal.
Appeals court upholds ITC patent finding
The U.S. Court of Appeals for the Federal Circuit affirmed an International Trade Commission finding that JinkoSolar’s products do not infringe a patent asserted by Hanwha Q CELLS.
LONGi, JinkoSolar, REC Group respond to Hanwha Q-Cells IP suit
All three companies say the patent infringement claim is without merit, and LONGi has provided technical details as to why its PERC isn’t based on Hanwha Q-Cells’ patent.
Hanwha Q-Cells sues to keep Jinko, Longi and REC Group out of the U.S. market
The Korean/German solar manufacturer has filed patent infringement lawsuits against the three companies in the United States, and is seeking to bar them from importing solar products for the U.S. market. Hanwha Q Cells claims its three rivals have used its patented solar cell passivation technology to increase the performance of their products.
Sunrise brief: An energy tax credit that wins the support of the fossil fuel industry and environmentalists?
Also on the rise: A startup invents a breakthrough battery electrolyte, renewables generated a record amount of electricity in 2020, a 250 MW solar project is proposed in Wyoming, and more.
