Patent Oppositions in sulfur and related compounds industry

Explore the competitive field of sulfur and related compounds 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 sulfur and related compounds 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: Jul 16, 2026
CompanyTotal Oppositions
L'OREAL6
KAO GERMANY5
HENKEL5
LOREAL5
THE PROCTER & GAMBLE3
LORAL1
WILDHACK ANDREAS1

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

Last updated on: Jul 16, 2026
CompanyTotal Oppositions
HENKEL10
KAO GERMANY6
ARTEC CHEMICAL3
UNILEVER3
KAO1
BEIERSDORF1
APOMEDICA SAGL1
L'OREAL1

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

Last updated on: Jul 16, 2026
Law FirmTotal Oppositions Filed
LOREAL8
GRIT3
P&G PATENT GERMANY2
LERAY2
LKGLOBAL LORENZ & KOPF1
ARCH1
WILDHACK1

Patent challenges are becoming increasingly common in the sulfur and related compounds 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 sulfur and related compounds 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 16, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Method For Dyeing Keratinous Material, Containing Dye And An Acidic Post-Treatment AgentHENKELNov 12, 2025L'OREAL
Hair Care CompositionUNILEVERApr 23, 2025THE PROCTER & GAMBLE
Process For Permanent Shaping HairKAO GERMANYAug 10, 2022L'OREAL
Product For The Therapy And Prevention Of Burnout Syndrome Of The Scalp And The SkinAPOMEDICA SAGLFeb 17, 2022WILDHACK ANDREAS
Bleaching And Colouring Composition For HairKAO GERMANYJun 22, 2021LOREAL
Bleaching And Colouring Composition For HairKAO GERMANYJun 21, 2021HENKEL
Process For Bleaching Keratin FibresL'OREALJan 20, 2021HENKEL
A Sebum-Promoting Agent For Improving HairUNILEVERMay 7, 2020THE PROCTER & GAMBLE
Hair Bleaching Composition And Method For Producing SameARTEC CHEMICALJan 31, 2020KAO GERMANY
Lightening Composition Having Reduced Hair DamageHENKELJul 16, 2019KAO GERMANY

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

Last updated on: Jul 16, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
May 1, 2019Hair Bleaching Composition And Method For Producing SameARTEC CHEMICAL3
Jul 18, 2018Transparent Bleaching Compositions With Proteins And/Or Silicone OilsHENKEL3
Apr 1, 2026Bleaching And Colouring Composition For HairKAO GERMANY3
Sep 8, 2021Improved Decolorization Of Dyed Keratin FibersHENKEL2
Nov 17, 2021Process For Permanent Shaping HairKAO GERMANY2
Feb 12, 2025Method For Dyeing Keratinous Material, Containing Dye And An Acidic Post-Treatment AgentHENKEL2
Apr 22, 2020Process For Bleaching Keratin FibresL'OREAL1
Jun 10, 2020Hair Treatment CompositionsUNILEVER1
Aug 7, 2019A Sebum-Promoting Agent For Improving HairUNILEVER1
May 19, 2021Product For The Therapy And Prevention Of Burnout Syndrome Of The Scalp And The SkinAPOMEDICA SAGL1