Z&j competitive analysis

Explore Z&j's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Sep 10, 2026
Patent NumberPublication DateTitleTotal Oppositions
Mar 11, 2015Device And Method For Sealing Or Opening An Opening, In Particular Floor Opening Of A Material Bunker For A Furnace And Furnace With Such A Device1

Latest PTAB cases involving Z&j

Discover the latest PTAB cases involving Z&j, highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Z&j with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Sep 10, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
Z&J - 1 - -
PRIMETALS25 - -