GlobalFoundries filed lawsuits on March 26 2026 against Tower Semiconductor in the U.S. International Trade Commission and the U.S. District Court for the Western District of Texas, alleging that Tower infringes 11 of the company’s patents covering manufacturing processes for smart mobile devices, automotive, aerospace, and communications‑infrastructure chips.
The lawsuit seeks injunctive relief to block the importation and sale of infringing products in the United States and to recover lost profits. GlobalFoundries has a portfolio of over 8,000 patents, with some sources citing 26,887 globally, while Tower Semiconductor has fewer than 500 patents.
GlobalFoundries highlighted its $1.5 billion CHIPS Act award announced November 20 2024 and its commitment to invest up to $16 billion in U.S. fabs, including $3 billion for research and development in emerging semiconductor technologies, underscoring its strategy to protect intellectual property and strengthen domestic manufacturing.
In a statement, GlobalFoundries Chief Technology Officer Gregg Bartlett said, "Semiconductor manufacturing is one of the most complex and capital‑intensive industries in the world. Companies that attempt to extract value from patented process technologies without authorization or investment undermine fair competition and the integrity of the semiconductor ecosystem. Our actions are necessary to defend our intellectual property, protect the innovation that underpins it, and to ensure that competitors play by the same rules."
The filing reflects GlobalFoundries’ ongoing effort to enforce its IP rights, a strategy that has previously involved litigation against major competitors such as TSMC. While the immediate market reaction was muted, the lawsuit signals a continued focus on safeguarding its specialty‑node technology and maintaining a competitive edge in the U.S. semiconductor landscape.
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