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Free Speech

No Liability for Scientific Publisher (Elsevier) in Defamation Lawsuit by Air Purifier Company

Eugene Volokh | 10.22.2026 2:57 PM

From Judge Kenneth Bell (W.D.N.C.) today in Global Plasma Solutions, Inc. v. Elsevier Ltd Inc.:

In this action, now spanning over four and a half years and nearly 400 docket entries, Plaintiff Global Plasma Solutions, Inc. ("GPS") contends that its air purifier business was greatly harmed by a defamatory article published in Building and Environment ("BAE"), a scientific journal owned by Defendant Elsevier …. Specifically, GPS alleges that several critiques of its "bipolar ionization" technology were false and Elsevier's advertisement of BAE's articles as "peer reviewed" violated the Lanham Act….

The law provides strong protection for scientific inquiry and debate on matters of public concern. This includes the allegedly defamatory article, which was published in March 2021 at the height of the COVID-19 pandemic when air purification technologies were under intense scrutiny.

Because the Court finds that GPS was a limited purpose........

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