Boll & Kirch Filterbau Gmbh competitive analysis

Explore patent oppositions filed by Boll & Kirch Filterbau Gmbh against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Sep 17, 2026
Patent NumberTitleApplicantOpposition Date
Method For Treating Impurities Contained In Exhaust Gases Of Ships, Ship With Exhaust Gas Scrubber, And Purification UnitLANGH PATENTSSep 13, 2018
Hydraulic Filter Element And Associated Manufacturing MethodMAHLEApr 22, 2015

Latest PTAB cases involving Boll & Kirch Filterbau Gmbh

Discover the latest PTAB cases involving Boll & Kirch Filterbau Gmbh, highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Boll & Kirch Filterbau Gmbh with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Sep 17, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
BOLL & KIRCH FILTERBAU GMBH2 - - -
LANGH PATENTS - 3 - -
LANGH TECH - 3 - -
MAHLE15552 - -