Antitrust regulators at the Federal Trade Commission expanded their campaign on what they call “junk” patents, sending a new round of warning letters to drug companies about their products for obesity, diabetes, asthma, COPD and severe hypoglycemia.
The new round of letters targets 20 products and follows a push by the FTC last year to go after patents on asthma inhalers, epinephrine pens and other products. In response to last year’s campaign, many of those patents were pulled by the companies.
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