Recent disputes involving tunnel oxide passivated contact (TOPCon) solar cell technology illustrate how patent enforcement can shape manufacturing strategy, constrain technology adoption, and create downstream ripples. Solar cell technology provides a useful lens for understanding how intellectual property (IP) risk operates across the US solar industry, as Isaku Begert, an associate at Marshall, Gerstein & Borun LLP, explains.
By Isaku Begert
14 Jul 2026
Intellectual property concerns mean that cell and module technology is now a supply chain variable, particularly in the United States. | Image: First Solar
Recent disputes involving tunnel oxide passivated contact (TOPCon) solar cell technology illustrate how patent enforcement can shape manufacturing strategy, constrain technology adoption, and create downstream ripples. Solar cell technology provides a useful lens for understanding how intellectual property (IP) risk operates across the US solar industry, as Isaku Begert, an associate at Marshall, Gerstein & Borun …
