Patent Oppositions in air cleaning industry

Explore the competitive field of air cleaning 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 air cleaning 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 9, 2026
CompanyTotal Oppositions
THE PROCTER & GAMBLE33
L'OREAL20
UNILEVER16
HENKEL15
PHILIP MORRIS11
SYMRISE8
BASF6
FIRMENICH6
KAO GERMANY6
SC JOHNSON & SON4

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

Patent challenges are becoming increasingly common in the air cleaning 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 air cleaning 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 9, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Hair CosmeticKAOJun 3, 2026HENKEL
Active Agent-Containing Articles That Exhibit Consumer Acceptable Article In-Use PropertiesTHE PROCTER & GAMBLEMay 20, 2026HENKEL
Density Balanced High Impact Perfume MicrocapsulesFIRMENICHApr 30, 2026GIVAUDAN
Sulfate-Free ShampooWELLA GERMANYApr 9, 2026HENKEL
Aqueous Composition For Treating Keratin Fibres, Comprising A Plant Oil, A Hydrocarbon-Based Oil, A Glycerolated Nonionic Surfactant, A Polysaccharide And A SolventL'OREALMar 18, 2026BEIERSDORF
Hydratable Cosmetic CompositionUNILEVERMar 4, 2026HENKEL
Hydratable Concentrated Surfactant CompositionsUNILEVERFeb 27, 2026HENKEL
Composition For Enhancing Keratin FibersWELLA GERMANYFeb 9, 2026HENKEL
Isomer Mixtures Of Unsaturated Macrocyclic Musk CompoundsSYMRISEJan 9, 2026FIRMENICH
Device For Reforming Plastic Pre-Forms Into Plastic Containers By Means Of Stationary Compressed Air SupplyKRONESDec 23, 2025KHS

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

Last updated on: Jul 9, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Sep 7, 2022Sulfate Free Clear Personal Cleansing Composition Comprising Low Inorganic SaltTHE PROCTER & GAMBLE9
Apr 13, 2022Sulfate Free Personal Cleansing Composition Comprising Low Inorganic SaltTHE PROCTER & GAMBLE8
Jul 3, 2024An Aerosol Generating System Having Means For Disabling A Consumable PartPHILIP MORRIS4
Mar 20, 2019Near Anhydrous Consumer Products Comprising Fragranced Aminoplast CapsulesFIRMENICH4
Dec 6, 2017Non-Sulfate Mild Surfactant System For Skin And Hair CleaningBASF4
Dec 4, 2019Concentrated Personal Cleansing CompositionsTHE PROCTER & GAMBLE3
May 17, 2017Air Filter ModuleLANGNER3
Feb 12, 2025An Aerosol Generating System With Leakage PreventionPHILIP MORRIS3
Dec 4, 2024Cosmetic Hair Cleaning CompositionHENKEL3
Jun 18, 2025Aqueous Composition For Treating Keratin Fibres, Comprising A Plant Oil, A Hydrocarbon-Based Oil, A Glycerolated Nonionic Surfactant, A Polysaccharide And A SolventL'OREAL3