News & Analysis as of

Patent Litigation L'Oreal

McDonnell Boehnen Hulbert & Berghoff LLP

University of Massachusetts v. L'Oreal S.A. (Fed. Cir. 2022)

In reviewing (and reversing) the District Court's claim construction in University of Massachusetts v. L'Oreal S.A., the Federal Circuit availed itself of both the disclosure in the specification and the prosecution history...more

Knobbe Martens

Concentration of a Sub-Topically Applied Compound Is Measured at Topical Application

Knobbe Martens on

UNIVERSITY OF MASSACHUSETTS v. L’ORÉAL S.A. Before Prost, Mayer, and Taranto. Appeal from the United States District Court for the District of Delaware. Summary: In claims of two patents regarding skin enhancement,...more

Proskauer - Minding Your Business

Secret Hair Don’t Care: When NDAs Fail to Protect Trade Secrets

In a significant recent decision, the Federal Circuit reversed a $66 million judgment against L’Oreal USA, Inc. for patent infringement and trade secret misappropriation asserted by Olaplex, Inc. The case arose as a result of...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Strategies and Insights - May 2021: Federal Circuit Starts to Clarify Section 325(e)(2) Estoppel

In Olaplex, Inc. v L’Oréal USA, Inc. the Federal Circuit addressed, among other issues, PGR estoppel in subsequent district court litigation. Here, the Court addressed the timing to raise estoppel regarding written...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Strategies and Insights - May 2021

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more

Mintz - Intellectual Property Viewpoints

Copy Cats II: Nexus of Copying Required to Substantiate Non-Obviousness

On January 28, 2021, the Federal Circuit affirmed the general principle that the mere fact of copying by an accused infringer is insufficient to rebut a charge of obviousness (L’Oreal USA, Inc. v. Olaplex, Inc.; appeal from...more

Mintz - Intellectual Property Viewpoints

Copy Cats: Evidence of Copying a Specific Product NOT Required

On October 30, 2019, the Federal Circuit held that evidence of copying may be used to rebut an obviousness challenge, even if that evidence does not relate to the copying of a specific product. (Liqwd, Inc. v. L’Oreal USA,...more

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