Patent Oppositions in hair perming or straightening products industry

Explore the competitive field of hair perming or straightening products 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 hair perming or straightening products technology and learn how to protect your intellectual property.

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

Last updated on: Sep 10, 2026
CompanyTotal Oppositions
HENKEL21
KAO GERMANY7
L'OREAL5
THE PROCTER & GAMBLE2
BEIERSDORF1

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

Last updated on: Sep 10, 2026
CompanyTotal Oppositions
L'OREAL15
KAO GERMANY10
HENKEL5
KPSS KAO PROFESSIONAL SALON SERVICES2
UNILEVER2
KITANO1
LIQWD1
MISU1
NOXELL1
OLAPLEX1

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

Last updated on: Sep 10, 2026
Law FirmTotal Oppositions Filed
LKGLOBAL LORENZ & KOPF6
GRIT5
LOREAL4
LERAY1
MILLER1
ARCH1
UEXKULL & STOLBERG1
BEIERSDORF1
GILL JENNINGS & EVERY1

Patent challenges are becoming increasingly common in the hair perming or straightening products 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 hair perming or straightening products 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: Sep 10, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Hair Conditioning CompositionKAO GERMANYSep 18, 2025L'OREAL
Hair Conditioning CompositionKAO GERMANYSep 16, 2025HENKEL
Process For Treating HairKAO GERMANYNov 30, 2022HENKEL
Process For Permanent Shaping HairKAO GERMANYAug 10, 2022L'OREAL
Composition And Process For Shaping Or Altering The Shape Of HairL'OREALJul 5, 2022HENKEL
Process For Treating Straightened Keratin FibresL'OREALFeb 4, 2022HENKEL
Composition For Straightening Keratin Fibres, Comprising A Urea And/Or A Urea Derivative And A Nonionic, Cationic, Amphoteric Or Anionic Associative Polymeric Thickener, Process And Use ThereofL'OREALDec 15, 2021BEIERSDORF
Cosmetic Composition For Keratin Fibers And Manufacturing Method ThereofKITANOJun 23, 2021HENKEL
Process For Semipermanent Straightening And Dyeing HairKAO GERMANYFeb 19, 2021HENKEL
Hair Treatment ProcessKAO GERMANYJul 23, 2020THE PROCTER & GAMBLE

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

Last updated on: Sep 10, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Sep 24, 2014Method For Permanent Reshaping And In Particular For Straightening, Comprising A Stage Of Straightening Keratinous Fibres Employing A Composition Comprising At Least 40% By Weight Of Non-Silicone Fatty SubstancesL'OREAL2
Oct 23, 2019Hair Treatment ProcessKAO GERMANY2
Dec 18, 2024Hair Conditioning CompositionKAO GERMANY2
May 19, 2021Hair Treatment Method And Its UseL'OREAL1
Mar 18, 2015Process For Colouring And Permanent Shaping Keratin FibresKPSS KAO PROFESSIONAL SALON SERVICES1
Oct 17, 2018Biotin And Silica To Counter Ageing Of HairHENKEL1
Mar 4, 2015Process For Colouring And Permanent Shaping Keratin FibresKPSS KAO PROFESSIONAL SALON SERVICES1
May 23, 2018Hair Conditioning Composition Comprising Three Kinds Of SiliconesUNILEVER1
Aug 16, 2017Process For Relaxing Or Straightening Hair, Using Weak Mono-, Di- Or Tricarboxylic Acids With HeatL'OREAL1
Jul 29, 2015Oxidizing Composition For The Treatment Of Keratin Fibres Comprising An Oil, A Fatty Alcohol And An Oxyalkylenated Fatty AlcoholL'OREAL1