IP Verse

Hair Dyeing Process Comprising A Step Of Dyeing With Henna And/Or Indigo And A Treatment Step Comprising The Application Of A Composition Comprising A Buffer System - EP3727287

The patent EP3727287 was granted to L'Oreal on Dec 4, 2024. The application was originally filed on Dec 21, 2018 under application number EP18826717A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3727287

L'OREAL
Application Number
EP18826717A
Filing Date
Dec 21, 2018
Status
Granted And Under Opposition
Nov 1, 2024
Grant Date
Dec 4, 2024
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

HENKELSep 3, 2025-ADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0173109
DESCRIPTIONEP0503853
DESCRIPTIONEP0750899
DESCRIPTIONFR2416723
DESCRIPTIONFR3029405
DESCRIPTIONUS2798053
DESCRIPTIONUS2923692
DESCRIPTIONUS3915921
DESCRIPTIONUS4131576
DESCRIPTIONUS4509949
DESCRIPTIONUS5089578
DESCRIPTIONWO0031154
DESCRIPTIONWO0068282
DESCRIPTIONWO9844012
INTERNATIONAL-SEARCH-REPORTFR3014315
OPPOSITIONUS4183366
OPPOSITIONUS5064442
OPPOSITIONWO2016198666

Non-Patent Literature (NPL) Citations (23) 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- BAGDA, E; FARBE LACK, The relation between surface tension and solubility parameter in liquids, (19780000), vol. 84, page 212-
DESCRIPTION- CHARLES M. HANSEN, A User's Handbook, CRC Press, (20000000), pages 167 - 185-
DESCRIPTION- Chem. Rev., (20110000), vol. 111, pages 2537 - 2561-
DESCRIPTION- Colour Index, The Society of Dyers and Colourists-
DESCRIPTION- G. FONNUM; J. BAKKE; FK. HANSEN, Colloid Polym. Sci., (19930000), vol. 271, pages 380 - 389-
DESCRIPTION- Handbook of Solubility Parameters and Other Cohesion Parameters, CRC Press, pages 95 - 121,177-185-
DESCRIPTION- "Micelle formation of random copolymers of sodium 2-(acrylamido)-2-methylpropanesulfonate and a nonionic surfactant macromonomer in water as studied by fluorescence and dynamic light scattering", Macromolecules, (20000000), vol. 33, no. 10, pages 3694 - 3704-
DESCRIPTION- "Self-assembling amphiphilic polyelectrolytes and their nanostructures", Chinese Journal of Polymer Science, (20000000), vol. 18, no. 40, pages 323 - 336-
DESCRIPTION- "Solution properties of micelle networks formed by nonionic moieties covalently bound to a polyelectrolyte: salt effects on rheological behavior", Langmuir, (20000000), vol. 16, no. 12, pages 5324 - 5332-
DESCRIPTION- "Stimuli responsive amphiphilic copolymers of sodium 2-(acrylamido)-2-methylpropanesulfonate and associative macromonomers", Polym. Preprint, Div. Polym. Chem., (19990000), vol. 40, no. 2, pages 220 - 221-
EXAMINATION- anonymous, "All Natural Pemanent Hair Color", GNPD, MINTEL, (20110426), Database accession no. 1522982, URL: https://www.gnpd.com/sinatra/recordpage/1522982/, XP055502858-
EXAMINATION- anonymous, "Extra Intensive Toning Color", GNPD, MINTEL, (20170706), Database accession no. 4930233, URL: https://www.gnpd.com/sinatra/recordpage/4930233/, XP055502825-
EXAMINATION- anonymous, "Fashion Colore Natura", GNPD, MINTEL, (20170502), Database accession no. 4779875, URL: https://www.gnpd.com/sinatra/recordpage/4779875/, XP055502855-
EXAMINATION- anonymous, "Hair Colourant", GNPD, MINTEL, (20130103), Database accession no. 1951929, URL: https://www.gnpd.com/sinatra/recordpage/1951929/, XP055502853-
EXAMINATION- Anonymous, "Palette by Nature", (20220413), pages 1 - 2, URL: https://www.suvarna.co.uk/user/page2_instruc.pdf, (20220413), XP055912761-
EXAMINATION- Anonymous, "Palette by Nature Instruction", (20220413), pages 1 - 1, URL: http://www.palettebynature.com/v/pdf/PBN-Color-Application-Guide.pdf, (20220413), XP055912752-
INTERNATIONAL-SEARCH-REPORT- anonymous, "All Natural Pemanent Hair Color", GNPD, MINTEL, (20110426), Database accession no. 1522982, URL: www.gnpd.com, XP055502858 [X] 1-7,16-30 * paragraph [ingredients] * [Y] 1-30-
INTERNATIONAL-SEARCH-REPORT- Anonymous, "Coloração Tonalizante", (20180830), Altamoda, URL: http://altamoda.com.br/wp-content/themes/thinkcyber/pdf/bula_tonalizante_17.pdf, (20180830), XP002784300 [AP] 1-30 * paragraph [preparo e aplicaçao] * * paragraph [teste de mecha] *-
INTERNATIONAL-SEARCH-REPORT- anonymous, "Extra Intensive Toning Color", GNPD, MINTEL, (20170706), Database accession no. 4930233, URL: www.gnpd.com, XP055502825 [A] 1-30 * abstract *-
INTERNATIONAL-SEARCH-REPORT- anonymous, "Fashion Colore Natura", GNPD, MINTEL, (20170502), Database accession no. 4779875, URL: www.gnpd.com, XP055502855 [X] 1-7,12-23,25-30 * paragraph [product description] * * paragraph [ingredients] * [Y] 1-30-
INTERNATIONAL-SEARCH-REPORT- anonymous, "Hair Colourant", GNPD, MINTEL, (20130103), Database accession no. 1951929, URL: www.gnpd.com, XP055502853 [X] 1-7,12-23,25-30 * paragraph [ingredients] * [Y] 1-30-
OPPOSITION- Anonymous, "Citric acid", Wikipedia, (20250820), Wikipedia, URL: https://en Wikipedia org/w/index php?title=Citric_acid&oldid=1306954381, XP093311474-
OPPOSITION- Anonymous, "Periodic acid", Wikipedia, (20250624), Wikipedia, URL: https://en.wikipedia.org/w/index.php?title=Periodic acid&oldid=1297074808, XP093311472-

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