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IP Verse

Oriented Strand Board, Process For Production Of An Oriented Strand Board And Apparatus For Producing An Oriented Strand Board - EP3648937

The patent EP3648937 was granted to Kronospan Luxembourg on Sep 6, 2023. The application was filed on Jul 20, 2017 under application number EP17742256A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3648937

KRONOSPAN LUXEMBOURG
Application Number
EP17742256A
Filing Date
Jul 20, 2017
Status
Granted And Under Opposition
Aug 4, 2023
Publication Date
Sep 6, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Oriented strand board (OSB) comprising a core layer formed from recycled wood flakes, wherein the core layer is bonded to surface layers of virgin wood strands. The OSB is produced by a process that includes shredding and sorting of recycled wood, flaking of the sorted wood into strands, classification of the strands into surface and core layer fractions, and pressing of the fractions into a finished OSB product.

Patent Family

Patent Family

Patent Oppositions (4)

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
FRITZ EGGERJun 6, 2024COHAUSZ & FLORACKADMISSIBLE
MEISSNER BOLTE PATENTANWALTE RECHTSANWALTE PARTNERSCHAFT MBBJun 6, 2024MEISSNER BOLTE PARTNERSCHAFT MBBADMISSIBLE
WEST FRASER EUROPEJun 6, 2024K&L GATESADMISSIBLE
FLOORINGJun 4, 2024KALKOFF & PARTNER PATENTANWALTE MBBADMISSIBLE

Patent Citations (28) New

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

Citation PhasePublication Number
DESCRIPTIONAU2010209995
DESCRIPTIONDE10130526
DESCRIPTIONDE102008059527
DESCRIPTIONDE19751326
DESCRIPTIONDE4224629
DESCRIPTIONEP2216149
INTERNATIONAL-SEARCH-REPORTDE10024543
INTERNATIONAL-SEARCH-REPORTWO03095167
INTERNATIONAL-SEARCH-REPORTWO2012001483
OPPOSITIONAU2010209995
OPPOSITIONCN102310453
OPPOSITIONCN203317487U
OPPOSITIONDE10024543
OPPOSITIONDE10130526
OPPOSITIONDE19751326
OPPOSITIONEP2216149
OPPOSITIONJP2004130549
OPPOSITIONUS2002176960
OPPOSITIONUS2007029041
OPPOSITIONUS2009145066
OPPOSITIONUS2009155612
OPPOSITIONUS2009263617
OPPOSITIONUS2009291286
OPPOSITIONUS2015354143
OPPOSITIONUS3164511
OPPOSITIONUS4111730
OPPOSITIONWO2012001483
OPPOSITIONWO2019007538

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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