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The journal Fusion Engineering and Design has published an article reporting research done by George Washington University's Business School on the growth of fusion patent filings. This paper, written by Elias G. Carayannis and John Draper, and entitled "The growth of intellectual property ownership in the private-sector fusion industry," examines the increase in applications for fusion-related patents over the past several years.

In particular, Carayannis and Draper focus on the patents of Fusion Industry Association (FIA) members. FIA is a US-based trade association and brings together private-sector fusion energy companies. This paper not only examines how many patents these FIA members have introduced, but also organizes the patents by type to show the variety of technology being created and protected as intellectual property. Most of these patents have not yet been granted, but the increase of filing activity highlights the rapid expansion of fusion projects and technology in recent years.

See the full article here. (Elias G. Carayannis, John Draper (2021), The growth of intellectual property ownership in the private-sector fusion industry, Fusion Engineering and Design, Volume 173, 112815, ISSN 0920-3796.)