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IP Verse

Rear-Emitter Solar Cell Structure Having A Heterojunction, And Method And Device For Producing Same - EP3997741

The patent EP3997741 was granted to Meyer Burger Germany on Mar 29, 2023. The application was filed on Jul 31, 2020 under application number EP20760910A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3997741

MEYER BURGER GERMANY
Application Number
EP20760910A
Filing Date
Jul 31, 2020
Status
Granted And Under Opposition
Feb 24, 2023
Publication Date
Mar 29, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status
BLUMBACH ZINNGREBE PATENTANWALTE PARTG MBBDec 29, 2023-ADMISSIBLE
STRAWMANDec 18, 2023VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBBADMISSIBLE

Patent Citations (28) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONEP2682990
DESCRIPTIONJP2001044461
DESCRIPTIONUS2017207351
INTERNATIONAL-SEARCH-REPORTCN109461780
INTERNATIONAL-SEARCH-REPORTEP2682990
INTERNATIONAL-SEARCH-REPORTJP2001044461
INTERNATIONAL-SEARCH-REPORTUS2017207351
INTERNATIONAL-SEARCH-REPORTUS2020313019
OPPOSITIONCN104795463
OPPOSITIONCN105154852
OPPOSITIONCN106601855
OPPOSITIONCN109004053
OPPOSITIONCN109411551
OPPOSITIONCN109461780
OPPOSITIONEP1696492
OPPOSITIONEP2682990
OPPOSITIONJP2001044461
OPPOSITIONJP2008192764
OPPOSITIONJP2011023759
OPPOSITIONJP5496856B
OPPOSITIONUS2004182433
OPPOSITIONUS2011183458
OPPOSITIONUS2012085397
OPPOSITIONUS2013157404
OPPOSITIONUS2015101659
OPPOSITIONUS2015214398
OPPOSITIONUS2017207351
OPPOSITIONUS2019148579

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

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