IP Verse

Very Long Chain Polyunsaturated Fatty Acids From Natural Oils - EP3294850

The patent EP3294850 was granted to Epax Norway on May 21, 2025. The application was originally filed on May 12, 2016 under application number EP16793072A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3294850

EPAX NORWAY
Application Number
EP16793072A
Filing Date
May 12, 2016
Status
Patent Maintained As Amended
Apr 18, 2025
Grant Date
May 21, 2025
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

Get instant alerts for new oppositions and patent status changes

GOLDEN OMEGAJun 29, 2021HOFFMANN EITLEWITHDRAWN

Patent Citations (26) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0255824
DESCRIPTIONUS2009203787
DESCRIPTIONUS2012071558
DESCRIPTIONUS2014100280
INTERNATIONAL-SEARCH-REPORTEP0347509
INTERNATIONAL-SEARCH-REPORTUS2009023808
INTERNATIONAL-SEARCH-REPORTUS2013190399
INTERNATIONAL-SEARCH-REPORTUS6537787
INTERNATIONAL-SEARCH-REPORTWO2009097331
OPPOSITIONEP2438819
OPPOSITIONEP2659780
OPPOSITIONUS2009203787
OPPOSITIONWO2012112902
OTHERUS2009020378
OTHERUS2009203787
OTHERUS2012071558
OTHERUS2014010028
OTHERUS2347565
OTHERUS4377526
OTHERUS8957231
OTHERWO2009097331
OTHERWO2012112902
OTHERWO2016182452
SEARCHEP1359224
SEARCHUS2014100280
SEARCHWO9727274

Non-Patent Literature (NPL) Citations (37) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
DESCRIPTION- "Long-Chain Omega-3 Specialty Oils", BLANDBREIVIK H, Concentrates, The Oily Press, PJ Barnes & Associates, (20070000), pages 111 - 140-
DESCRIPTION- POULOS A, "Very long chain fatty acids in higher animals - a review", Lipids, (19950000), vol. 30, pages 1 - 14-
DESCRIPTION- POULOS et al., "The occurrence of polyenoic fatty acids with greater than 22 carbon atoms in mammalian spermatozoa", Biochem J., (19860000), vol. 240, pages 891 - 895-
DESCRIPTION- ROTSTEIN et al., "Synthesis of very long chain (up to 36 carbon) tetra, penta and hexaenoic fatty acids in retina", Biochem J., (19880000), vol. 249, pages 191 - 200-
INTERNATIONAL-SEARCH-REPORT- BREIVIK, H., "Long-Chain Omega-3 Speciality Oils.", Concentrates., Bridgewater, UK, pages 111 - 140 [YD] 5-8 * . Cited in the application Page 116-117 Page 118-119 * [AD] 18-
INTERNATIONAL-SEARCH-REPORT- MAHARVI. G. M et al., "Chemical Synthesis of deuterium-labelled and unlabelled very long chain polyunsaturated fatty acids.", Tetrahedron Lett., (20101208), vol. 51, no. 49, pages 6426 - 6428, XP027459000 [A] 3-8 * The whole document *
OPPOSITION- Amis Edward S, Siegel Saul, "The Alkaline Hydrolysis of Ethyl Acetate in Acetone- Water Mixtures", Am. Chem. Soc., (19500201), vol. 72, no. 2, pages 674 - 677, XP055937821-
OPPOSITION- R. KÄKELÄ et al., "Very Long Chain Polyunsaturated Fatty Acids in the Blubber of Ringed Seals", Lipids, Lake Saimaa, Lake Ladoga, the Baltic Sea, and Spitsbergen, (19950000), vol. 30, no. 8, pages 725 - 731, XP055560990-
OPPOSITION- LINKO REINO et al., "Fatty Acids of Long Chain Length in Baltic Herring Lipids", Journal of the American oil chemists' society, (19700000), vol. 47, doi:10.1007/BF02541455, XP055560994
OPPOSITION- Fukuda Yuuki, Ando Yasuhiro, "Occurrence of all-cis-5,8,11,14,17,20,23-hexacosaheptaenoic acid (26:7n-3) in roughscale sole Clidoderma asperrimum flesh lipids", FISHERIES SCIENCE, Japanese Society of Scientific Fisheries, JP, JP , (20110901), vol. 77, no. 5, doi:10.1007/s12562-011-0387-y, ISSN 0919-9268, pages 875 - 882, XP055937819
OPPOSITION- MANSOUR et al., "Very-long-chain (C28) highly unsaturated fatty acids in marine dinoflagellates", Phytochemistry, (19990000), vol. 50, doi:10.1016/S0031-9422(98)00564-0, pages 541 - 548, XP004290839
OPPOSITION- W. BERGMAN et al., "CONTRIBUTIONS THE STUDY OF MARINE PRODUCTS XXX. COMPONENT ACIDS OF LIPIDS OF SPONGES", J. Org. Chem., (19510000), vol. 16, no. 8, doi:10.1021/jo50002a005, pages 1206 - 1221, XP055560991
OPPOSITION- Y. TOYAMA et al., "THE HIGHLY UNSATURATED ACIDS IN SARDINE OIL X. THE SEPARATION OF HIGHLY UNSATURATED C24-ACIDS", Bulletin of the Chemical Society of Japan, (19350000), vol. 10, no. 11, doi:10.1246/bcsj.10.543, pages 543 - 547, XP055561298
OPPOSITION- Sei-Ichi Ueno, Chizuo Yonese, "ON THE OCCURRENCE OF NEW HIGHLY UNSATURATED FATTY ACIDS, C 26 H 40 O 2 AND C 26 H 42 O 2 , IN TUNNY OIL", Bulletin of the Chemical Society of Japan, Chemical Society of Japan,Nippon Kagakukai, JP, JP , (19360701), vol. 11, no. 7, doi:10.1246/bcsj.11.437, ISSN 0009-2673, pages 437 - 442, XP055561325
OPPOSITION- T. OTA et al., "Occurrence of All-cis-6,9,12,15,18,21-Tetracosahexaenoic Acid in Flatfish Lipids", Fisheries Science, (19940000), vol. 60, no. 2, doi:10.2331/fishsci.60.171, pages 171 - 175, XP055560993
OTHER- AHMED M. ABU-NASR; WILLIAM M. POTTS; RALPH T. HOLMAN, "Highly unsaturated fatty acids. II. Fractionation by urea inclusion compounds", Journal of the American Oil Chemists' Society, (19540100), vol. 31, no. 1, pages 16 - 20, XP001625571-
OTHER- COLLEEN K. VAN PELT; MENG-CHUAN HUANG; CAROLYN L. TSCHANZ; J. THOMAS BRENNA, "An octaene fatty acid, 4,7,10,13,16,19,22,25-octacosaoctaenoic acid (28:8n-3), found in marine oils", J. Lipid Res., (19990800), vol. 40, no. 8, pages 1501 - 1505, XP055561307-
OTHER- KEN-ICHI KAWASAKI YUKAKO ITO NABESHIMA; KENJI ISHIHARA; MASAKI KANENIWA; TOORU OOISUMI, "High level of 6,9,12,15,18,21-tetracosahexaenoic acid found in lipids of Ophiuroidea", FISHERIES SCIENCE, (20000100), vol. 66, no. 3, pages 614 - 615, XP055560996-
OTHER- MAGED P. MANSOUR; DION M. F. FRAMPTON; PETER D. NICHOLS; JOHN K. VOLKMAN; SUSAN I. BLACKBURN, "Lipid and fatty acid yield of nine stationary-phase microalgae: Applications and unusual C24-C28 polyunsaturated fatty acids", Journal of Applied Phycology, (20050600), vol. 17, no. 4, pages 287 - 300, XP019247810-
OTHER- MAGED P.MANSOUR, "Reversed-phase high-performance liquid chromatography purification of methyl esters of C16-C28 polyunsaturated fatty acids in microalgae, including octacosaoctaenoic acid'' [28:8(n-3)]", Journal of Chromatography A, (20051200), vol. 1097, no. 1-2, pages 54 - 58, XP027722717-
OTHER- REIJO KAKELA; ROBERT G. ACKMAN; HEIKKI HYVAIRINEN, "Very Long Chain Polyunsaturated Fatty Acids in the Blubber of Ringed Seals (Phoca hispida sp.) from Lake Saimaa, Lake Ladoga, the Baltic Sea, and Spitsbergen", Lipids, (19950800), vol. 30, no. 8, pages 725 - 731, XP055560990-
OTHER- TSUYUKI et al., "Properties of the yellowtail (Seriola quinqueradiata) oil. VI Components fatty acid of the liver oil", Nihon Daigaku, (19580000), vol. 10, pages 13 - 18-
OTHER- TORU TAKAGI; MASAKI KANENIWA YUTAKA ITABASHI, "Fatty acids in crinoidea and ophiuroidea: Occurrence of all-cis-6,9,12,15,18,21-tetracosahexaenoic acid", Lipids, (19860700), vol. 21, no. 7, pages 430 - 433, XP035172996
OTHER- OTA, T.; KAWABATA, Y.; ANDO, Y., "Positional Distribution of 24:6(n-3) in Triacyl-sn-Glycerols from Flathead Flounder Liver and Flesh", J. Am. Oil Chem. Soc., (19940500), vol. 71, no. 5, pages 475 - 478, XP055561326
OTHER- CARTER LITCHFIELD; JOHN TYSZKIEWICZ; VIRGINIA DATO, "5,9,23-triacontatrienoic acid, principal fatty acid of the marine sponge Chondrilla nucula", Lipids, (19800300), vol. 15, no. 3, pages 200 - 202, XP035174316
OTHER- REINO R. LINKO; HANNU KARINKANTA, "Fatty acids of long chain length in Baltic herring lipids", Journal of the American Oil Chemists Society, (19700200), vol. 47, no. 2, pages 42 - 46, XP055560994
OTHER- J.L Guil-Guerrero and El-Hassan Belarbi, "Purification Process for Cod Liver Oil Polyunsaturated Fatty Acids", Jaocs, vol. 78, no. 5, (20010500), pages 477 - 484, XP055561360
OTHER- MIKHAIL V.VYSOTSKII; VASSILII I.SVETASHEV, "Identification, isolation and characterization of tetracosapolyenoic acids in lipids of marine coelenterates", Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, (19910508), vol. 1083, no. 2, pages 161 - 165, XP023577562
OTHER- REZANKA, TOMAS, "LONG-CHAIN FATTY ACIDS FROM THE ANIMAL AND PLANT KINGDOMS", Prog. Lipid Res., (19890000), vol. 28, no. 3, pages 147 - 187, XP023450403
OTHER- KAREN L. KAESTLE; MOHMED K. ANWE TAPAN; K.AUDHYA; GIDEON GOLDSTEIN, "Cleavage of esters using carbonates and bicarbonates of alkali metals: synthesis of thymopentin", Tetrahedron Letters, (19910114), vol. 32, no. 3, pages 327 - 330, XP055560992
OTHER- BERGMANN, I. W.; SWIFT, A. N., "Contributions to the Study of Marine Products. XXX. Component Acids of Lipids of Sponges", J. Org. Chem., (19510000), vol. 16, no. 8, pages 1206 - 1221, XP055560991
OTHER- YOSHIYUKI TOYAMA; TOMOTARO TSUCHIYA, "The Highly Unsaturated Acids in Sardine Oil VII. The Separation of Highly Unsaturated C22-Acids", Bulletin of the Chemical Society of Japan, (19350900), vol. 10, no. 9, pages 433 - 440, XP055561309
OTHER- YOSHIYUKI TOYAMA; TOMOTARO TSUCHIYA, "The Highly Unsaturated Acids in Sardine Oil X. The Separation of Highly Unsaturated C24-Acids", Bulletin of the Chemical Society of Japan, (19350000), vol. 10, no. 11, pages 543 - 547, XP055561298
OTHER- SEI-ICHI UENO; CHIZUO YONESE, "On The Occurrence Of New Highly Unsaturated Fatty Acids, C26H4002 And C26H4202, In Tunny Oil", Bulletin of the Chemical Society of Japan, (19360700), vol. 11, no. 7, pages 437 - 442, XP055561325
OTHER- SEI-ICHI UENO; MASAYOSHI IWAI, "On The Oil Of Hokke (Pleurogrammus Monopterygius, Pallas), With Special Reference to the Occurrence of New Highly Unsaturated C28-Fatty Acids", Bulletin of the Chemical Society of Japan, (19361000), vol. 11, no. 10, pages 643 - 649, XP055561311
OTHER- TORU OTA; YOSHIKUNI CHIHARA; YUTAKA ITABASHI; TORU TAKAGI, "Occurrence of All-cis-6,9,12,15,18,21-Tetracosahexaenoic Acid in Flatfish Lipids", Fisheries Science, (19940000), vol. 60, no. 2, pages 171 - 175, XP055560993
OTHER- REI SUO; HAOQUI LI; KAZUAKI YOSHINAGA; TOSHIHARU NAGAI; HOYO MIZOBE; KOICHI KOJIMA; KOJI NAGAO; FUMIAKI BEPPU; NACHIRO GOTOH, "Generation of Tetracosahexaenoic Acid in Benthic Marine Organisms", J. Oleo Sci., (20150000), vol. 64, no. 7, pages 721 - 727, XP055560995

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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.

  • Date

    Description

  • Get instant alerts for new documents