Warning letterPosted June 15, 2026

FDA warning letter to Happiest Baby, Inc.

Investigational Device Exemptions (IDE)/Premarket Approval Application (PMA) Adulterated Device

FDA's record ↗

FDA posted a warning letter to Happiest Baby, Inc. on June 15, 2026; the letter is dated June 15, 2026. Subject: Investigational Device Exemptions (IDE)/Premarket Approval Application (PMA) Adulterated Device. Issuing office: Center for Devices and Radiological Health.

On the record

Company
Happiest Baby, Inc.
Subject
Investigational Device Exemptions (IDE)/Premarket Approval Application (PMA) Adulterated Device
Issuing office
Center for Devices and Radiological Health
Letter dated
2026-06-15
Posted by FDA
2026-06-15
Source
FDA warning letters ↗

CFR cited

The record cites 7 sections of 21 CFR Parts 801, 806, 807, 820 and 880.

The full record

An account shows the violations FDA described and each CFR section it cited.

What a warning letter is

A warning letter is FDA's notice to a company that it found significant violations of federal requirements. FDA asks for a written response, normally within 15 working days. The letter is advisory: it states the agency's position and is not a final agency action.

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