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Olaplex Dyeing to Protect its Intellectual Property

Client Alert | 1 min read | 08.15.19

On August 12, 2019, a jury in Delaware federal court found L’Oreal USA Inc. liable for misappropriating Olaplex LLC’s trade secrets, infringing two patents relating to hair-coloring, and breaching a nondisclosure agreement between the two parties. The jury awarded $91.3 million to Olaplex. Olaplex’s victory demonstrates the importance of entering into nondisclosure agreements before disclosing potential intellectual property to a competitor – especially a large one.

This suit stems from a meeting in 2015 between L’Oreal and Olaplex to discuss a potential acquisition or licensing deal. Olaplex alleged that after the parties met, L’Oreal exploited its trade secrets and created “three knockoff versions” of products discussed during the meeting. At trial, the jury found that L’Oreal stole Olaplex’s trade secrets in violation of the nondisclosure agreement. 

The jury found that L’Oreal willfully infringed both patents, leaving open the possibility of an award of increased damages. 

L’Oreal hopes to remove this stain upon its reputation on appeal. 

Insights

Client Alert | 3 min read | 05.26.26

pH, Prosecution History Estoppel, and Patent Scope: Three Lessons from the Federal Circuit's Latest Hatch-Waxman Ruling

On May 13, 2026, the U.S. Court of Appeals for the Federal Circuit affirmed a district court judgment of no infringement in Actelion Pharmaceuticals Ltd. v. Mylan Pharmaceuticals Inc., No. 24-1641. The decision offers important guidance for patent holders and generic manufacturers on the role of industry standards in interpreting scientific terminology during claim construction, prosecution history estoppel, and the disclosure-dedication rule....