For the Inventor, By the Inventor

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L'oreal

USPTO Granted Patents = 5,240

% Expired Patents = 18.7

CIPO Patents = 65

EPO Patents = 2,163

Trademarks = 890

Forward Citations = 50,503

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2,632 inventors (with patents filed for the assignee):

Jean-Louis H Gueret (336 out of 410 patents)

Gerard Lang (127 out of 176 patents)

Henri Samain (125 out of 169 patents)

4. Hy Si Bui (121 out of 125 patents)

5. Jean F Grollier (115 out of 119 patents)

6. Jean-Thierry Simonnet (112 out of 123 patents)

7. Claude Dubief (104 out of 124 patents)

8. Jean Cotteret (102 out of 131 patents)

9. Alex M Junino (100 out of 104 patents)

10. Guy G Vanlerberghe (92 out of 111 patents)

11. Henri Sebag (90 out of 110 patents)

12. Nghi Van Nguyen (84 out of 102 patents)

13. Alain Lagrange (83 out of 167 patents)

14. Didier Candau (80 out of 107 patents)

15. Michel Philippe (75 out of 107 patents)

Core Competencies:

Cosmetic Composition

Hair Treatment

Antimicrobial Mixtures

Oxidation Dye Precursors

Makeup Applicators

Sunscreen Formulations

Cleansing Compositions

Color Reproduction

Personalized Skincare

Transdermal Delivery

Hydrophobic Silica

Reusable Cartridge Systems

5,240 patents: Sort by Forward Citations

1. 12758409 - Cosmetic securement device for stabilization of cosmetic applicator configured for users with limited mobility (2026-10-13),

2. 12758000 - Modulation of coloring formulation components for hair coloring device (2026-10-13),

3. 12757998 - Packaging and application device for a cosmetic product, kit and covering device (2026-10-13),

4. 12752987 - Straw-in-straw degassing units and containers thereof (2026-10-06),

5. 12751905 - Anhydrous hair treatment composition comprising mono-alcohols and fatty compounds (2026-10-06),

6. 12749235 - Techniques for automatic identification of harmonious colors (2026-09-29),

7. 12746260 - Extract of bacteria of the genus (2026-09-29),

8. 12746191 - Stabilization of thiopyridinone compound and yellowing reduction of composition comprising same (2026-09-29),

9. 12746190 - Solid composition in the form of water-in-oil emulsion (2026-09-29),

10. 12745829 - Method and system for 3D hair virtual try on using physics simulation (2026-09-29),

11. D1148970 - Shower head (2026-09-22),

12. 12741789 - Packaging device (2026-09-22),

13. 12740925 - Compositions and articles for make-up removal (2026-09-22),

14. 12740632 - Systems and methods for hair cosmetic applications and improvements (2026-09-22),

15. 12735656 - Biosurfactant based micellar cleansing composition (2026-09-15),

Company Overview

L'Oréal, headquartered in Paris, France, is a global leader in the cosmetic industry, specializing in the development and manufacturing of innovative cosmetic formulations. The company focuses on a diverse range of core technology topics, including cosmetic compositions, hair treatments, and antimicrobial mixtures. L'Oréal is committed to advancing beauty through research in areas such as oxidation dye precursors, makeup applicators, sunscreen formulations, and cleansing compositions, ensuring high-quality products that cater to various consumer needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5,240 Patents

#3 in Paris

#3 in France

#170 in the World

L'oreal

Forward Citations = 50,503

2,632 inventors:

Jean-Louis H Gueret (336 out of 410 patents)

Gerard Lang (127 out of 176 patents)

Henri Samain (125 out of 169 patents)

4. Hy Si Bui (121 out of 125 patents)

5. Jean F Grollier (115 out of 119 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: L'oreal. Retrieved from https://idiyas.com/company/l-oreal

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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