Hanwha Q Cells & Advanced Materials competitive analysis

Explore Hanwha Q Cells & Advanced Materials'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: Jan 22, 2026
Patent NumberPublication DateTitleTotal Oppositions
Aug 27, 2014Method For Manufacturing A Solar Cell With A Surface-Passivating Dielectric Double Layer, And Corresponding Solar Cell10

Latest PTAB cases involving Hanwha Q Cells & Advanced Materials

Discover the latest PTAB cases involving Hanwha Q Cells & Advanced Materials, highlighting their recent legal challenges and patent disputes.

Last updated on: Jan 27, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Hanwha Q Cells & Advanced Materials

IPR2020-00353Dec 31, 2019LONGI GREEN ENERGY TECHNOLOGYHANWHA Q CELLS & ADVANCED MATERIALS Q CELLS BITTERFELD WOLFENFinal Written Decision
IPR2020-00047Oct 22, 2019LONGI GREEN ENERGY TECHNOLOGYHANWHA Q CELLS & ADVANCED MATERIALSInstitution Denied
IPR2019-01145Jun 3, 2019REC SOLARHANWHA Q CELLS & ADVANCED MATERIALSFinal Written Decision - Appealed
IPR2019-01072May 13, 2019LONGI GREEN ENERGY TECHNOLOGYHANWHA Q CELLS & ADVANCED MATERIALSFinal Written Decision - Appealed

Peer Comparison New

IP litigation analysis comparing Hanwha Q Cells & Advanced Materials with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jan 22, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HANWHA Q CELLS & ADVANCED MATERIALS - 10 - 3
HEPP WENGER RYFFEL3 - - -
IMEC VZW1 - - -
LONGI GREEN ENERGY TECHNOLOGY - - 31