IP Verse

Keil & Schaafhausen patent opposition analysis

The comprehensive analysis of Keil & Schaafhausen opposition landscape, with a particular emphasis on intellectual property (IP) dynamics.

Stay updated with the latest patent oppositions filed by Keil & Schaafhausen

Patent Number	Title	Applicant	Opposition Date	Opposition Company
EP3727524	Liquid Delivery Cap Devices, Systems, And Methods	PATIENTS PENDING	Jan 16, 2026	SANOFI AVENTIS DEUTSCHLAND
EP4029979	Needle Body, Sliding Needle Assembly And Warp Knitting Machine	GROZ BECKERT	Jan 2, 2026	KARL MAYER STOLL R&D
EP3357868	Water Softening Device And Method To Operate A Water Softening Device	BWT	Dec 18, 2025	BRITA
EP4066917	Water Filter Cartridge With Two Concentrically Arranged Water Filter Cartridge Outlets	AQUIS WASSER LUFT SYSTEME	Dec 17, 2025	BRITA
EP2913304	Device For Processing Water	BWT HOLDING	Dec 11, 2025	BRITA
EP3945151	Warp Knitting Tool Bar And Method For Replacing A Warp Knitting Tool	GROZ BECKERT	Nov 12, 2025	KARL MAYER STOLL R&D
EP4069646	Filter Candle And System Comprising A Filter Candle For Preparing Water	BWT HOLDING	Oct 28, 2025	BRITA
EP3969408	Water Dispensing Station	PEPSICO	Oct 24, 2025	BRITA
EP3668568	Dosage Measurement Module On Injection Pen	ELI LILLY	Mar 7, 2025	SANOFI AVENTIS DEUTSCHLAND
EP4227260	Liquid Dispenser Apparatus	UNITO SMART	Feb 13, 2025	BRITA

Top companies who are the clients of Keil & Schaafhausen

Company	Total
TECHEM ENERGY SERVICES	18
BRITA	8
KEIL & SCHAAFHAUSEN PATENTANWALTE PARTGMBB	8
SANOFI AVENTIS DEUTSCHLAND	7
BIOTRONIK	6
KARL MAYER R&D	3
AERO PUMP	3
DANFOSS	2
F TRONIC	2
KARL MAYER STOLL R&D	2