The patent EP3191575 was granted to Ifast on Aug 3, 2022. The application was originally filed on Sep 11, 2015 under application number EP15762998A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CA796724 | 
| INTERNATIONAL-SEARCH-REPORT | EP0108846 | 
| INTERNATIONAL-SEARCH-REPORT | US4340763 | 
| INTERNATIONAL-SEARCH-REPORT | US4717580 | 
| INTERNATIONAL-SEARCH-REPORT | WO2005030919 | 
| INTERNATIONAL-SEARCH-REPORT | WO2006104387 | 
| OPPOSITION | CA796724 | 
| OPPOSITION | EP0108846 | 
| OPPOSITION | GB1188304 | 
| OPPOSITION | US4340763 | 
| OPPOSITION | US4717580 | 
| OPPOSITION | WO2005030919 | 
| OPPOSITION | WO2006104387 | 
| OPPOSITION | WO2016038216 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| OPPOSITION | - Algazzali, "Graduate Thesis or Dissertation", Oregon State University, 22 October 2014 | 
| OPPOSITION | - Anonymous, "Adjunct Reference Manual", Beer Institute, (19980000), XP055652449 | 
| OPPOSITION | - Anonymous, "EBC colour measurement", Chemtronic Waltemode GmbH, page 2pp | 
| OPPOSITION | - BONDEEL et al., "The photolysis of trans-isohumulone to dehydrohumulinic acid, a key route to the development of sunstruck flavour in beer", J. Chem. Soc. Perkin Trans. I, (19870000), pages 2715 - 2717, XP055652430 | 
| OPPOSITION | - Colin S. BURNS et al., "Mechanism for formation of the lightstruck flavor in beer revealed by time- resolved electron paramagnetic resonance", Chemistry, (20010000), vol. 7, no. 21, pages 4553 - 4561, XP055652435 | 
| OPPOSITION | - De Keukelaire et al. , Quimica Nova 23(1) 2000, "Fundamentals of Beer and Hop Chemistry" | 
| OPPOSITION | - D.H. SIMMONDS et al., "Separation and identification of hop bittering principles", J. Inst. Brew., (19620000), vol. 68, pages 495 - 503, XP055652406 | 
| OPPOSITION | - F. GUNST et al., "On the sunstruck flavor of beer", J. Inst. Brew., (19780000), vol. 84, pages 291 - 292, XP055652426 | 
| OPPOSITION | - HEYERICK et al., "Photolysis of hop-derived trans-iso-alpha-acids and trans-tetrahydroiso- alpha-acids: product identification relation to the lightstruck flavour of beer", Photochem. Photobiol. Sci., (20030000), vol. 2, pages 306 - 314, XP055652439 | 
| OPPOSITION | - Kevin HUVAERE et al., "Photooxidative degradation of beer bittering principles: product analysis with respect to lightstruck flavour formation", Photochem. Photobiol. Sci., (20040000), vol. 3, pages 854 - 858, XP055652441 | 
| OPPOSITION | - KUROIWA et al., "Composition of sunstruck flavor substance and mechanism of its evolution", A.S.B.C. Proceedings, (19610000), vol. 19, pages 28 - 36, XP055652422 | 
| OPPOSITION | - KUROIWA et al., "Factors essential for the evolution of sunstruck flavor", A.S.B.C. Proceedings, (19630000), vol. 21, pages 181 - 193, XP055652424 | 
| OPPOSITION | - L.O. Spetsig & M. Steninger, "Hulupones, a New Group of Hop Bitter Substances", J. Inst. Brew., (19600000), vol. 66, pages 413 - 417, XP055652409 | 
| OPPOSITION | - M. VERZELE et al., DEVELOPMENTS IN FOOD SCIENCE 27 - Chemistry and Analysis of Hop and Beer Bitter Acids, Elsevier Science Publishers B.V., (19910000), pages 4pp, 17 - 138, XP055652432 | 
| OPPOSITION | - M. VERZELE et al., DEVELOPMENTS IN FOOD SCIENCE 27 - Chemistry and Analysis of Hop and Beer Bitter Acids, Elsevier Science Publishers B.V., (19910000), pages 4pp, 201 - 315, XP055652398 | 
| OPPOSITION | - R.A. AITKEN et al., "The Bitterness of Hop-Derived Materials in Beer", J. Inst. Brew., (19700000), vol. 76, pages 29 - 36, XP055652415 | 
| OPPOSITION | - R.J. MICKETTS et al., "Detection of terpene compounds from hops in American lager beer", J Food Protect., (19780000), vol. 41, no. 9, pages 722 - 725, XP055652442 | 
| OPPOSITION | - R. Stevens, D. Wright, "Evaluation of hops X. Hulupones and the Significance of beta Acids in Brewing", J. Inst. Brew., (19610000), pages 496 - 501, XP055652404 | 
| OPPOSITION | - S.R. PALAMAND et al., "Bitter tasting compouds of beer, Chemistry and taste properties os some hop resin compounds", J. Agr. Food Chem., (19730000), vol. 21, pages 535 - 543, XP055652418 | 
| OPPOSITION | - The Chemistry of Beer. The Science in The Suds, Published by Wiley 2013, Chapters 8 and 11 Production of light stable beers on.a commercial scale. Brauvyelt.lnternationaL.Published on 19 February 2007 | 
| OPPOSITION | - Toru KISHIMOTO et al., "Analysis of hop-derived terpenoids in beer and evaluation of their behavior using the stir bar-sorptive extraction method with GC-MS", J. Agric. Food Chem., (20050000), vol. 53, pages 4701 - 4707, XP055652444 | 
| OPPOSITION | - HASELEU et al., "Quantitative sensomics profiling of hop-derived bitter compounds throughout a full-scale beer manufacturing process", J. Agr. Food Chem., (20100000), vol. 58, pages 7930 - 7939, XP055114034 | 
| OPPOSITION | - INTELMANN et al., "Comprehensive sensomics analysis of hop-derived bitter compounds during storage of beer", J. Agric. Food Chem., (20110000), vol. 59, pages 1939 - 1953, XP055652393 | 
| OPPOSITION | - WANG et al., "Terpene biosynthesis in glandular trichomes of hop", Plant Physiology, (20080000), vol. 148, pages 1254 - 1266, XP055397499 | 
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Jul 7, 2022
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Text intended for grant (clean copy)
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Published international application - A1
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Abstract
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