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: Oct 1, 2026
CompanyTotal Oppositions
THE PROCTER & GAMBLE38
UNILEVER32
L'OREAL27
HENKEL17
PHILIP MORRIS11
SYMRISE8
BASF7
TAKASAGO7
FIRMENICH7
SC JOHNSON & SON5

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: Oct 1, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Compositions With Anionic And Cationic PolymersTHE PROCTER & GAMBLESep 29, 2026UNILEVER UNILEVER
Nicotine Particles And CompositionsPHILIP MORRISAug 19, 2026JT INTERNATIONAL S.A.
Cleansing CompositionUNILEVERJul 22, 2026DALLI WERKE
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

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: Oct 1, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Sep 7, 2022Sulfate Free Clear Personal Cleansing Composition Comprising Low Inorganic SaltTHE PROCTER & GAMBLE8
Apr 13, 2022Sulfate Free Personal Cleansing Composition Comprising Low Inorganic SaltTHE PROCTER & GAMBLE7
Mar 20, 2019Near Anhydrous Consumer Products Comprising Fragranced Aminoplast CapsulesFIRMENICH4
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
Jul 3, 2024An Aerosol Generating System Having Means For Disabling A Consumable PartPHILIP MORRIS3
Dec 6, 2017Non-Sulfate Mild Surfactant System For Skin And Hair CleaningHENKEL3
Dec 17, 2025Azeotrope-Like Compositions Of Tetrafluoropropene And HydrofluorocarbonsSOLSTICE ADVANCED MATERIALS3
Aug 31, 2016Conditioning Hair-Cleaning AgentHENKEL3
Feb 25, 2015Conditioning Shampoo CompositionsUNILEVER3
Feb 24, 2016Liquid Cleansing Compositions Comprising Microfibrous Cellulose Suspending PolymersUNILEVER2