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IP Verse

Air Filter Cartridge - EP3799944

The patent EP3799944 was granted to Donaldson on Aug 30, 2023. The application was filed on Mar 2, 2016 under application number EP20203378A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3799944

DONALDSON
Application Number
EP20203378A
Filing Date
Mar 2, 2016
Status
Granted And Under Opposition
Jul 28, 2023
Publication Date
Aug 30, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
MANN HUMMELMay 28, 2024MAIWALDADMISSIBLE

Patent Citations (60) New

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

Citation PhasePublication Number
DESCRIPTIONUS19490620777
DESCRIPTIONUS19550604572
DESCRIPTIONUS19600620970
DESCRIPTIONUS20030731564
DESCRIPTIONUS20040605438
DESCRIPTIONUS20070731504
DESCRIPTIONUS20080012785
DESCRIPTIONUS20080215718
DESCRIPTIONUS20090537069
DESCRIPTIONUS20210604675
DESCRIPTIONWO2004US07927
DESCRIPTIONDE202008017059U
DESCRIPTIONUS2004187689
DESCRIPTIONUS2005130508
DESCRIPTIONUS2008282890
DESCRIPTIONUS2009127211
DESCRIPTIONUS2010032365
DESCRIPTIONUS2014208705
DESCRIPTIONUS396098
DESCRIPTIONUS398046
DESCRIPTIONUS399944
DESCRIPTIONUS428128
DESCRIPTIONUS437401
DESCRIPTIONUS4925561
DESCRIPTIONUS5049326
DESCRIPTIONUS5562825
DESCRIPTIONUS5613992
DESCRIPTIONUS5772883
DESCRIPTIONUS5792247
DESCRIPTIONUS5820646
DESCRIPTIONUS5895574
DESCRIPTIONUS5902364
DESCRIPTIONUS6039778
DESCRIPTIONUS6179890
DESCRIPTIONUS6190432
DESCRIPTIONUS6210469
DESCRIPTIONUS6235195
DESCRIPTIONUS6350296
DESCRIPTIONUS6673136
DESCRIPTIONUS7625419
DESCRIPTIONWO03047722
DESCRIPTIONWO2004007054
DESCRIPTIONWO2004082795
DESCRIPTIONWO2005077487
DESCRIPTIONWO2005123222
DESCRIPTIONWO2006017790
DESCRIPTIONWO2006076456
DESCRIPTIONWO2006076479
DESCRIPTIONWO2007044677
DESCRIPTIONWO2007133635
DESCRIPTIONWO2012010541
DESCRIPTIONWO2014210541
DESCRIPTIONWO9740918
OPPOSITIONUS2014251895
OPPOSITIONUS2014318090
OPPOSITIONUS2015013289
SEARCHUS2014251895
SEARCHUS2014260143
SEARCHUS2015013289
SEARCHWO2005094655

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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