STAT+: Diabetes treatments have improperly listed patents that should be removed, analysis finds
Diabetes treatments have improperly listed patents that should be removed, a new analysis found.
More than half of the injector-pen patents for several widely used diabetes treatments — including Ozempic and Mounjaro — do not mention several important characteristics that should otherwise prevent them from being listed in a key federal registry, according to a new analysis.
As a result, the researchers contend the patents may be unfairly used to preclude competition from companies that may want to market lower-cost generic products. They also suggest antitrust regulators may want to widen a probe into improperly filed patents for asthma inhalers and epinephrine injectors to include drug-and-device combination products for combating diabetes.
A total of 188 patents were examined for 10 combination products that include a delivery device and a medicine known as a GLP-1. Among the products reviewed was Eli Lilly’s Mounjaro and Novo Nordisk’s Ozempic. Patents for another Novo Nordisk treatment, Wegovy, were also reviewed since it contains the same key ingredient as Ozempic, even though it is approved only for weight loss.
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