Patent Oppositions in permanent hair dyes industry

Explore the competitive field of permanent hair dyes where companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top companies filing and facing patent oppositions, and the most recent patents under dispute. Stay informed on patent activity in permanent hair dyes technology and learn how to protect your intellectual property.

Explore the top companies that have filed the most patent oppositions in the technology industry.

Explore the top companies that have faced the most patent oppositions in the technology industry.

Last updated on: Jul 2, 2026
CompanyTotal Oppositions
HENKEL25
L'OREAL23
KAO GERMANY22
NOXELL10
THE PROCTER & GAMBLE10
KAO8
HOYU4
MISU3
KPSS KAO PROFESSIONAL SALON SERVICES2
LIQWD2

Explore the top law firms that have filed the most patent oppositions in the technology industry.

Patent challenges are becoming increasingly common in the permanent hair dyes industry as companies work to protect their innovations in a highly competitive market. These legal battles can significantly impact the development and release of new technologies. Below is a list of the latest patents that have been opposed in the permanent hair dyes industry, offering a snapshot of the ongoing struggles over intellectual property rights. For anyone involved in this industry, understanding these patent disputes is essential for navigating its future.

Last updated on: Jul 2, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Oxidative Hair Treatment CompositionsWELLA GERMANYNov 18, 2025HENKEL
Method For Dyeing Keratinous Material, Containing Dye And An Acidic Post-Treatment AgentHENKELNov 12, 2025LOREAL
Agents For An Oxidative Color Change Of Keratin Fibers With Complexing Agent And Amino Acid And/Or Protein HydrolysateHENKELAug 6, 2025WELLA GERMANY
Hair Coloring CompositionsWELLA GERMANYJun 3, 2025KAO GERMANY
Hair CosmeticKAOApr 30, 2025HENKEL
Hair Color System Using A Smart DeviceL'OREALApr 17, 2024HENKEL
Improved Color Depositing ShampooCELEBMar 4, 2024CLARIANT PRODUKTE DEUTSCHLAND
Composition For Dyeing Keratin Fibers Containing A Combination Of A P-Phenylene Derivative And 2,7-Naphthalenediol And Use Thereof For Reducing A Yellow Tinge In A HairstyleLABORATOIRE BIOSTHETIQUE KOSMETIKDec 14, 2023HENKEL
Bleaching And Coloring Composition For HairKAOMar 14, 2023L'OREAL
Hair Dyeing MethodKAODec 14, 2022LOREAL

To stay ahead in the competitive permanent hair dyes industry, companies are constantly innovating. Here are the top patents facing oppositions in the permanent hair dyes industry. Stay informed on the latest opposition trends and learn how to protect your intellectual property.

Last updated on: Jul 2, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
May 14, 2025Agent For Oxidatively Dyeing Hair Containing Specific Combinations Of Developers And CouplersHENKEL3
Apr 6, 2022Multi-Tonal One Step Dyeing IiHENKEL3
Aug 28, 2019Agent For Oxidative Hair Dye And Method For Stabilizing Color Tone Of Oxidative Hair Dye CompositionHOYU3
Apr 1, 2026Bleaching And Colouring Composition For HairKAO GERMANY3
Nov 1, 2017Composition For Colouring Keratin FibresKAO GERMANY2
Sep 27, 2017Hair Colouring Compositions, Kits, Method, And Use ThereofNOXELL2
Jul 25, 2018Dye Composition Using At Least One Coupler Of Meta-Phenylenediamine Type Substituted In Position 4 In A Medium Comprising A Fatty Substance, Processes And DeviceL'OREAL2
Feb 14, 2018Hair Treatment Composition, Kit And Method ThereofTHE PROCTER & GAMBLE2
Oct 27, 2021Method For Colouring HairWELLA OPERATIONS2
Aug 23, 2017Colouring CompositionKAO GERMANY2