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Extract from the Register of European Patents

EP About this file: EP3814042

EP3814042 - A LIGHT WEIGHT LINERBOARD FOR CORRUGATED BOARD [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.09.2024
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  13.10.2023
FormerGrant of patent is intended
Status updated on  06.06.2023
FormerExamination is in progress
Status updated on  28.10.2022
FormerRequest for examination was made
Status updated on  03.04.2021
FormerThe international publication has been made
Status updated on  03.01.2020
Most recent event   Tooltip13.03.2026Lapse of the patent in a contracting state
New state(s): HU		published on 15.04.2026 [2026/16]
Applicant(s)For all designated states
Stora Enso Oyj
P.O. Box 309
00101 Helsinki / FI
[2021/18]
Inventor(s)01 / LAMPAINEN, Seppo
Kolkankatu 23 A 9
15140 Lahti / FI
02 / PENG, Frank
Lagmansvägen 12
663 41 Hammarö / SE
03 / LAAKSO, Atso
Sölvenkatu 6
78300 Varkaus / FI
04 / MÄÄTTÄNEN, Ari-Pekka
Koppalankallio 26
02810 Espoo / FI
 [2021/18]
Representative(s)Steinrud, Henrik
Stora Enso AB
Group Intellectual Property
Box 9090
65009 Karlstad / SE
[2021/18]
Application number, filing date19825739.625.06.2019
[2021/18]
WO2019IB55349
Priority number, dateSE2018005079827.06.2018         Original published format: SE 1850798
[2021/18]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020003128
Date:02.01.2020
Language:EN
[2020/01]
Type: A1 Application with search report 
No.:EP3814042
Date:05.05.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 02.01.2020 takes the place of the publication of the European patent application.
[2021/18]
Type: B1 Patent specification 
No.:EP3814042
Date:15.11.2023
Language:EN
[2023/46]
Search report(s)International search report - published on:SE02.01.2020
(Supplementary) European search report - dispatched on:EP18.03.2022
ClassificationIPC:B23B29/08, B65D65/40, D21H11/02, D21H11/08, D21H11/10, D21H27/10, D21H27/30, D21H27/40, D21H11/18, D21H17/28, D21H17/42, D21H17/44, D21H21/18
[2021/18]
CPC:
D21H11/02 (EP,SE,US); B32B29/08 (EP,CN,SE,US); D21H27/40 (EP,CN,SE,US);
B32B21/02 (CN); B32B21/042 (CN); B32B21/06 (CN);
B32B21/10 (CN); B32B29/005 (EP,CN,US); B32B7/05 (EP,US);
B32B7/12 (EP); B65D65/403 (SE); D21H1/02 (SE,US);
D21H11/04 (US); D21H11/08 (EP,SE,US); D21H11/10 (EP,SE,US);
D21H11/18 (EP,SE,US); D21H17/28 (EP,SE,US); D21H17/42 (EP,SE,US);
D21H17/44 (EP,SE,US); D21H21/18 (EP,SE); D21H27/10 (EP,SE);
D21H27/30 (EP,SE); B32B2250/02 (SE); B32B2250/03 (EP,SE);
B32B2250/26 (EP,SE,US); B32B2262/067 (CN); B32B2307/546 (EP,US);
B32B2307/718 (EP,CN,US); B32B2307/72 (EP,US); B32B2553/00 (EP,CN) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2021/18]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:LEICHTES DECKENPAPIER FÜR WELLPAPPE[2021/18]
English:A LIGHT WEIGHT LINERBOARD FOR CORRUGATED BOARD[2021/18]
French:CARTON DOUBLE LÉGER DESTINÉ À UN CARTON ONDULÉ[2021/18]
Entry into regional phase27.01.2021National basic fee paid 
27.01.2021Search fee paid 
27.01.2021Designation fee(s) paid 
27.01.2021Examination fee paid 
Examination procedure27.01.2021Examination requested  [2021/18]
10.03.2021Observations by third parties
07.10.2022Amendment by applicant (claims and/or description)
31.10.2022Despatch of a communication from the examining division (Time limit: M04)
20.02.2023Reply to a communication from the examining division
07.06.2023Communication of intention to grant the patent
06.10.2023Fee for grant paid
06.10.2023Fee for publishing/printing paid
06.10.2023Receipt of the translation of the claim(s)
Opposition(s)19.08.2024No opposition filed within time limit [2024/43]
Fees paidRenewal fee
30.06.2021Renewal fee patent year 03
30.06.2022Renewal fee patent year 04
30.06.2023Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipCY25.06.2019
HU25.06.2019
CZ15.11.2023
ES15.11.2023
HR15.11.2023
MC15.11.2023
RO15.11.2023
RS15.11.2023
SK15.11.2023
SM15.11.2023
NO15.02.2024
GR16.02.2024
IS15.03.2024
IE25.06.2024
CH30.06.2024
[2026/16]
Former [2025/51]CY25.06.2019
CZ15.11.2023
ES15.11.2023
HR15.11.2023
MC15.11.2023
RO15.11.2023
RS15.11.2023
SK15.11.2023
SM15.11.2023
NO15.02.2024
GR16.02.2024
IS15.03.2024
IE25.06.2024
CH30.06.2024
Former [2025/22]CZ15.11.2023
ES15.11.2023
HR15.11.2023
MC15.11.2023
RO15.11.2023
RS15.11.2023
SK15.11.2023
SM15.11.2023
NO15.02.2024
GR16.02.2024
IS15.03.2024
IE25.06.2024
CH30.06.2024
Former [2025/11]CZ15.11.2023
ES15.11.2023
HR15.11.2023
MC15.11.2023
RO15.11.2023
RS15.11.2023
SK15.11.2023
SM15.11.2023
NO15.02.2024
GR16.02.2024
IS15.03.2024
Former [2024/36]CZ15.11.2023
ES15.11.2023
HR15.11.2023
RO15.11.2023
RS15.11.2023
SK15.11.2023
SM15.11.2023
NO15.02.2024
GR16.02.2024
IS15.03.2024
Former [2024/35]CZ15.11.2023
ES15.11.2023
HR15.11.2023
RO15.11.2023
RS15.11.2023
SM15.11.2023
NO15.02.2024
GR16.02.2024
IS15.03.2024
Former [2024/33]ES15.11.2023
HR15.11.2023
RS15.11.2023
SM15.11.2023
NO15.02.2024
GR16.02.2024
IS15.03.2024
Former [2024/25]ES15.11.2023
HR15.11.2023
RS15.11.2023
NO15.02.2024
GR16.02.2024
IS15.03.2024
Former [2024/20]GR16.02.2024
IS15.03.2024
Documents cited:Search[XI] WO2006084883  (STORA ENSO AB et al.) [X] 1 * Page 9, Table 2;; claims 1,3 *[I] 1-12
International search[X] US2017051456  (HANS HALLGREN et al.) [X] 1-12 * ; paragraphs [0014], [0031]-[0032], [0046]-[0048]; Tables 2-3 *
 [X] US2008314536  (PENG FRANK et al.) [X] 1-2, 4-7, 9-10 * ; paragraphs [0070]-[0082]; Tables 4-5 *
 [X] WO2015036930  (STORA ENSO OYJ et al.) [X] 1-2, 4-7, 9-10 * ; page 10, line 5 - page 14, line 15; Tables 1-4 *
 [A] US4145246  (GOHEEN DAVID W et al.) [A] 1-12 * ; abstract; claims 1,11 *
 [A] WO9961701  (SCA RESEARCH AB et al.) [A] 6-7 * ; claims 7,11-13 *
 [A]   HORN R. A. ET AL.: "PRESS DRYING: A WAY TO USE HARDWOOD CTMP FOR HIGH-STRENGTH PAPERBOARD", TAPPI JOURNAL, vol. 71, no. 3, 1988, pages 143 - 146, XP009525330, ISSN: 0734-1415 [A] 1-12 * ; whole document *
 [A]   TILLMANN, O.: "Paper and Board Grades and Their Properties", HANDBOOK OF PAPER AND BOARD, 2006, pages 446 - 466, XP055667643, ISBN: 978-3-527-30997-9, DOI: 10.1002/3527608257.ch11 [A] 4 * ; see p. 459 Chapter 11.2.2.2.3 *

DOI:   http://dx.doi.org/10.1002/3527608257.ch11
by applicantUS5080758
   KIRWAN M., J.: "Paper and Paperboard. Packaging Technology", 2005, BLACKWELL PUBLISHING
   CHINGA-CARRASCO, G.: "Cellulose fibres, nanofibrils and microfibrils,: The morphological sequence of MFC components from a plant physiology and fibre technology point of view", NANOSCALE RESEARCH LETTERS, vol. 6, 2011, pages 417, XP055021830, DOI: 10.1186/1556-276X-6-417

DOI:   http://dx.doi.org/10.1186/1556-276X-6-417
   FENGEL, D.: "Ultrastructural behavior of cell wall polysaccharides", TAPPI J., vol. 53, no. 3, March 1970 (1970-03-01)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.