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FTC Issues Warning Letter to Amphastar Pharmaceuticals
May 22, 2025
WASHINGTON, May 22 -- The Federal Trade Commission Bureau of Competition issued the following warning letter on May 21, 2025:

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To: General Counsel

Amphastar Pharmaceuticals Inc.

11570 6th Street

Rancho Cucamonga, CA 91730

brianm@amphastar.com

Re: Improper Orange Book Patent Listing for Baqsimi

Dear Counsel,

I write regarding Amphastar Pharmaceuticals Inc.'s ("Am . . .

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