First Solar stock faces a new TOPCon patent lawsuit in the US

Published on 10/05/2026 at 17:41 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

First Solar stock traded at USD 175.30 on October 5, 2026, while second-quarter net income reached USD 423 million. Its 45.1 GW backlog extends through 2030.

NASDAQ-Börsensaal mit Erneuerbare-Energie-Charts, First Solar Inc. Aktie US3364331070 im Handel — First Solar Inc. im Börsenhandel: NASDAQ-Börsensaal mit steigenden Solarsektor-Charts, Aktie US3364331070 im Fokus, Illustration mit AI erstellt.

First Solar Inc. (ISIN US3364331070) was trading at USD 175.30 on Nasdaq at 11:40 a.m. ET on October 5, 2026, up 0.40 percent from the prior close. The company is pursuing a new patent lawsuit against JA Solar and American Panel Solutions over TOPCon solar-cell technology, a move reported by Solar Power World on October 5, 2026.

Patent fight expands in the US

The complaint alleges infringement of US Patent No. 9,130,074, which covers methods for manufacturing TOPCon crystalline silicon photovoltaic cells. The lawsuit was filed in the US District Court for the District of Delaware on October 1, 2026, according to Yahoo Finance.

First Solar obtained the patent portfolio through its 2013 acquisition of TetraSun. The company has also pursued TOPCon-related litigation involving other manufacturers, making intellectual property protection a broader commercial issue rather than a single case.

Q2 profit rises while sales dip

For the second quarter of 2026, First Solar reported net sales of USD 1.06 billion, down 4 percent from the same quarter of 2025. Net income increased 24 percent to USD 423 million, or USD 3.92 per diluted share, while adjusted EBITDA rose from USD 560 million to USD 644 million, according to OpenPR on September 29, 2026.

The quarter ended June 30, 2026, with a gross profit margin of 57 percent and a contracted sales backlog of 45.1 gigawatts extending through 2030. First Solar reaffirmed full-year 2026 guidance for net sales of USD 4.9 billion to USD 5.2 billion and adjusted EBITDA of USD 2.6 billion to USD 2.8 billion.

Consensus target stays above the stock

MarketBeat lists a Moderate Buy consensus based on 37 analysts, with an average price target of USD 266.23, a high target of USD 330.00 and a low target of USD 150.00. The average target lies 51.9 percent above the USD 175.30 Nasdaq price, using the October 5, 2026 trading level.

The contrast is clear: earnings and backlog provide measurable support, while the 4 percent second-quarter sales decline and the patent dispute add separate operating and legal variables. For investors, the next key test is whether the backlog converts into the reaffirmed 2026 sales range.

First Solar stock holds above its yearly low

First Solar stock was trading at USD 175.30 on Nasdaq at 11:40 a.m. ET on October 5, 2026. The session range was USD 171.86 to USD 175.99, while the 52-week range was USD 168.60 to USD 320.95 and market capitalization stood at USD 18.8 billion.