First Solar Asserts Ownership of TOPCon Technology Patents and Launches Infringement Investigation
TEMPE, Ariz. - First Solar, Inc. (NASDAQ: FSLR), a leading American solar energy company, announced today its ownership of patents related to the manufacturing of Tunnel Oxide Passivated Contact (TOPCon) crystalline-silicon (c-Si) photovoltaic (PV) solar cells. First Solar obtained these patents through its acquisition of TetraSun, Inc. and has commenced an investigation into potential patent infringement by several c-Si solar manufacturers.
The acquisition of TetraSun, Inc. has provided First Solar with a portfolio of patents that are crucial to the production of TOPCon PV solar cells. TOPCon technology offers superior efficiency and performance compared to traditional methods by reducing electronic losses and enhancing light absorption. With these patents in its possession, First Solar aims to protect its intellectual property rights and ensure fair competition in the solar industry.
As part of its commitment to upholding patent rights, First Solar has initiated an in-depth investigation to identify any potential infringement of its TOPCon technology patents. The company aims to safeguard its innovative technology and ensure that it receives the appropriate recognition and financial compensation for its research and development efforts.
In a competitive market where solar energy is rapidly gaining prominence, patent disputes are not uncommon. As the demand for renewable energy sources continues to escalate, industry players aim to gain an edge through technological advancements and intellectual property rights. First Solar’s move to enforce its patent ownership demonstrates its determination to maintain its leadership position and protect its investments in cutting-edge solar technology.
In addition to asserting its intellectual property rights, First Solar also released its financial performance for the quarter. Revenues of First Solar’s suppliers experienced a marginal decline of -0.1% compared to the same quarter last year. However, sales for the previous quarter fell by a significant -21.94%. First Solar Inc’s cost of sales exhibited a year-on-year increase of 2.72%. However, in comparison to the previous quarter, cost of sales witnessed a substantial decrease of -31.75% in Q1.
The combination of acquiring key patents related to TOPCon technology and launching an investigation into potential patent infringement underscores First Solar’s commitment to technological innovation and IP protection. By asserting its ownership rights, the company aims to promote fair competition and maintain its market position as a leading provider of solar energy solutions.

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