美国专利商标局驳回了加拿大太阳能公司、晶科能源和蒙德拉太阳能公司对第一太阳能公司隧穿氧化层钝化接触专利有效性提出的质疑

Core Viewpoint - The U.S. Patent and Trademark Office has rejected the validity challenges to First Solar's TOPCon patent from Canadian Solar, JinkoSolar, and Mundra Solar [1] Group 1 - The rejection of the patent validity challenges indicates a strengthening of First Solar's intellectual property position in the solar energy sector [1] - Canadian Solar, JinkoSolar, and Mundra Solar are significant competitors in the solar industry, and their challenges reflect ongoing competitive dynamics [1] - The decision may impact future innovation and competition strategies among solar companies, particularly in the area of advanced solar technologies [1]