Patent Oppositions in separating materials industry

Explore the competitive field of separating materials 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 separating materials 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 17, 2026
CompanyTotal Oppositions
UMICORE58
MANN HUMMEL52
DONALDSON45
JOHNSON MATTHEY PUBLIC45
LAIR LIQUIDE40
MAHLE33
BRITA32
BASF30
LINDE28
WOLF PVG17

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

Last updated on: Sep 17, 2026
CompanyTotal Oppositions
BASF41
JOHNSON MATTHEY PUBLIC33
MANNHUMMEL19
MANN HUMMEL17
AMGEN16
DONALDSON15
RHODIA OPERATIONS14
UMICORE14
DSM ASSETS10
CASALE10

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

Patent challenges are becoming increasingly common in the separating materials 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 separating materials 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 17, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Dual Pressure System For Producing Nitric Acid And Method Of Operating ThereofYARA ASASep 10, 2026THYSSENKRUPP UHDE
Monitoring Performance In Continuous ChromatographyGE HEALTHCARE BIO SCIENCESSep 3, 2026NIERFELD
Flat-Filter Filter Element With At Least Two Filter Medium Bodies, Filter System And Use Of A Flat-Filter Filter ElementMANNHUMMELSep 1, 2026DONALDSON
Separation Of Oligosaccharides From Fermentation BrothGLYCOMAug 25, 2026CHR HANSEN HMO
Separation Of Oligosaccharides From Fermentation BrothGLYCOMAug 24, 2026GREAVES BREWSTER
Facility For Recovering Co2 From A Feed Gas FlowLAIR LIQUIDEAug 21, 2026LINDE
Process For Dry Fractionation To Obtain A Final Hard Palm Oil Mid FractionAAK PUBLAug 10, 2026CARGILL
Regenerative Media Filter Air Scouring Apparatus And MethodNEPTUNE BENSONAug 5, 2026REGFILTER
Urea Production Plant And Scrubbing SystemTHYSSENKRUPP FERTILIZER TECHNOLOGYJul 28, 2026STAMICARBON
Polyarylether Copolymers Based On Diol Sugar AlcoholsBASFJul 15, 2026SYENSQO SPECIALTY POLYMERS USA

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

Last updated on: Sep 17, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Sep 27, 2023Charged Depth Filtration Of Antigen-Binding ProteinsAMGEN8
Aug 7, 2024Charged Depth Filtration Of Antigen-Binding ProteinsAMGEN7
Jan 10, 2024Paper Core Filter Module, Method For Producing Such A Paper Core Filter Module And Paper Core Filter Module Wall Comprising A Number Of Such Paper Core Filter ModulesNEUFILTER5
Oct 23, 2024Methods Of Agricultural Production Of Brassica Carinata Oilseed CropNUSEED INNOVATION5
Oct 30, 2019Method For Purification Of A Co2 StreamCASALE4
May 6, 2020A Method Of Weak Partitioning ChromatographyWYETH4
Jul 22, 2020Transition Metal-Containing Aluminosilicate ZeoliteJOHNSON MATTHEY PUBLIC4
Nov 29, 2017Filter Device And Filter ElementHYDAC FILTERTECHNIK GMBH4
Feb 25, 2015Method For Treating Sea Water With A View To Producing Injection Water For Undersea Petroleum Drilling, And Corresponding EquipmentVEOLIA WATER SOLUTIONS & SUPPORT4
Mar 26, 2025A Crankcase Ventilation SystemGRIMALDI4