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KRAFT PAPER

Publication No. EP3861166

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App No. EP19779046

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Filed by Billerud Aktiebolag (publ)

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Filed on 2019-10-04

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Issued/Published on 2026-01-14

Official EPO Register

Publication No. EP3861166 A1

Application No. EP19779046 Filed: 2019-10-04

Grant Date 2026-01-14 Mention of grant

Active Oppositions 1 Active EPO Oppositions

Patent Abstract / Summary

Patent abstract is being processed or was not provided in English by the publishing office.

IPC Classifications

D21F11/00, D21H27/10, D21G1/00

Priority Claims

EP 20180198917 Date: 2018-10-05

Designated Contracting States (38 EPC States)

AL 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

Parties & Representation

Applicants

Billerud Aktiebolag (publ)

Box 703, 169 27 Solna

BillerudKorsnäs AB

Box 703, 169 27 Solna

Inventors (1)

LINDSTRÖM, Ove

Stråkanäs 114, 952 91 Kalix

Representatives / Agents

Kransell & Wennborg KB

P.O. Box 27834, 115 93 Stockholm

Puchberger & Partner Patentanwälte

Reichsratsstraße 13, 1010 Wien

Key Procedural Dates

Request-For-Examination 2021-04-27

Mention Of Grant Published 2026-01-14

First-Examination-Report-Despatched 2024-12-18

Legal Status & Event History

Official European Patent Office legal and procedural status changes recorded for this file.

40 Events Recorded

Date	Code	Event Description	Auth
2020-04-11	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2019-10-08	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2021-07-09	PUAI	PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE	EP
2021-07-09	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2021-08-11	17P	REQUEST FOR EXAMINATION FILED	EP
2021-08-11	AK	DESIGNATED CONTRACTING STATES	EP
2022-01-12	DAX	REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (DELETED)	EP
2022-01-12	DAV	REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (DELETED)	EP
2023-03-08	RAP3	PARTY DATA CHANGED (APPLICANT DATA CHANGED OR RIGHTS OF AN APPLICATION TRANSFERRED)	EP
2024-01-17	P01	OPT-OUT OF THE COMPETENCE OF THE UNIFIED PATENT COURT (UPC) REGISTERED	EP
2024-12-19	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-01-22	17Q	FIRST EXAMINATION REPORT DESPATCHED	EP
2025-08-03	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2025-08-03	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-08-23	TPAC	OBSERVATIONS FILED BY THIRD PARTIES	EP
2025-08-20	GRAJ	INFORMATION RELATED TO DISAPPROVAL OF COMMUNICATION OF INTENTION TO GRANT BY THE APPLICANT OR RESUMPTION OF EXAMINATION PROCEEDINGS BY THE EPO DELETED	EP
2025-08-20	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-09-03	INTG	INTENTION TO GRANT ANNOUNCED	EP
2025-09-24	INTC	INTENTION TO GRANT ANNOUNCED (DELETED)	EP
2025-10-22	GRAP	DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT	EP
2025-10-22	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2025-11-26	INTG	INTENTION TO GRANT ANNOUNCED	EP
2025-12-04	GRAS	GRANT FEE PAID	EP
2025-12-12	GRAA	(EXPECTED) GRANT	EP
2025-12-12	STAA	INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT	EP
2026-01-14	AK	DESIGNATED CONTRACTING STATES	EP
2026-01-14	REG	REFERENCE TO A NATIONAL CODE	EP
2026-01-22	REG	REFERENCE TO A NATIONAL CODE	EP
2026-02-11	REG	REFERENCE TO A NATIONAL CODE	EP
2026-03-18	U01	REQUEST FOR UNITARY EFFECT FILED	EP
2026-04-22	P04	WITHDRAWAL OF OPT-OUT OF THE COMPETENCE OF THE UNIFIED PATENT COURT (UPC) REGISTERED	EP
2026-04-22	U07	UNITARY EFFECT REGISTERED	EP
2026-07-07	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-08	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-09	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-10	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-14	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-17	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-07-18	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP
2026-10-06	PG25	LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]	EP

Patent & Non-Patent Citations

Cited documents and prior art referenced in search and examination reports.

13 Citations

Cited Patent Documents

WO2017080910

Espacenet

Non-Patent Scientific Literature (NPL)

- D1a - Order confirmation No. 2327678 dated 03.01.2017 from Mondi Paper Sales GmbH to CAIACA

- D1b - Invoice No. 92377313 dated 1 February 2017, including product, quantity, dispatch and delivery-note details

- D1c - Payment/accounting confirmation dated 13 March 2017 relating to invoice No. 92377313

- D1d - CMR consignment note for delivery of 35 paper reels having a total weight of 24,120 kg

- MONDI: "Advantage Kraft White Print Technical Data Sheet", MONDI, 1 January 2017 (2017-01-01), pages 1 - 1, XP093446535

- D1f - Sworn statement by Elisabeth Schwaiger

- ANONYMOUS: "TECHNICAL SPECIFICATIONS - BROWN KRAFT", 13 August 2015 (2015-08-13), pages 1 - 1, XP093446541, Retrieved from the Internet <URL:https://www.baginco.com/wp-content/uploads/2015/10/Technical-specifications-brown-kraft-paper.pdf>

- NORDIC PAPER BÄCKHAMMAR AB: "MG Plain Kraft Paper unbleached GS520 Technical Specification", NORDIC PAPER BÄCKHAMMAR AB, 22 November 2016 (2016-11-22), pages 1 - 1, XP093446545, Retrieved from the Internet <URL:https://cdn-netshop.emo.no/static/objectstore/TS_Blankett_NP_BBA%20MG%20GS520%2080%20GSM.pdf>

- NORDIC PAPER BÄCKHAMMAR AB: "Nordic Paper Woord source declaration", NORDIC PAPER BÄCKHAMMAR AB, 3 August 2016 (2016-08-03), pages 1 - 1, XP093446546, Retrieved from the Internet <URL:https://www.lyreco.no/objectstore/NP%20Kraft%20Wood%20supply%20declaration%20FSC%20and%20PEFC%20160803.pdf>

- "SS-ISO 1924-3:2011 Paper and board - Determination of tensile properties - Part 3: Constant rate of elongation method (100 mm/min) (ISO 1924-3:2005, IDT)"

- D7 - Description of Nordic Paper’s Backhammar mill from Swedish environmental proceedings no. M 75-14, dated 7 October 2014

- BACK SÖREN: "Improved profiles with new QCS systems", HTTPS://WWW.VALMET.COM, VALMET, 19 June 2019 (2019-06-19), pages 1 - 7, XP093446549, Retrieved from the Internet <URL:https://www.valmet.com/insights/articles/automation/improved-profiles-with-new-paper-mill-quality-control-systems/>

Worldwide Patent Family

Related applications and patents in the same INPADOC worldwide family.

13 Family Members

Country	Publication Number	Kind	Publication Date	Action
EP	EP3861166A1	A1	2021-08-11	Espacenet
EP	EP3861166B1	B1	2026-01-14	Espacenet
EP	EP3861166C0	C0	2026-01-14	Espacenet
BR	BR112021006430A2	A2	2021-07-06	Espacenet
CA	CA3114652A1	A1	2020-04-09	Espacenet
CN	CN113167028A	A	2021-07-23	Espacenet
EP	EP3633104A1	A1	2020-04-08	Espacenet
EP	EP3633104B1	B1	2021-03-17	Espacenet
ES	ES2875920T3	T3	2021-11-11	Espacenet
JP	JP2022504281A	A	2022-01-13	Espacenet
PL	PL3633104T3	T3	2021-10-25	Espacenet
US	US2021348339A1	A1	2021-11-11	Espacenet
WO	WO2020070306A1	A1	2020-04-09	Espacenet

Official File Inspection EPC Art. 128 Public Dossier

Complete European Patent Register Dossier (148 Total Documents)

The full inspection file for Application EP19779046 contains 148 total documents, including all notices of opposition, proprietor counter-statements, examination communications, third-party observations, and procedural forms. Below are all major recorded procedural filings and publication specifications.

Open 148-Doc Register Dossier

Dossier Filing

Date: 2025-12-04 Procedure: Examination EPIDOSNIGR5

Inspect on Register

KRAFT PAPER

Patent Abstract / Summary

IPC Classifications

Priority Claims

Designated Contracting States (38 EPC States)

Parties & Representation

Applicants

Inventors (1)

Representatives / Agents

Key Procedural Dates

Patent Oppositions

Mondi AG

Legal Status & Event History

Patent & Non-Patent Citations

Cited Patent Documents

Non-Patent Scientific Literature (NPL)

Worldwide Patent Family

Complete European Patent Register Dossier (148 Total Documents)

Recorded Filings & Patent Specifications

European Patent Specification - Granted Patent (B1)

Official European Patent Register Full Dossier

European Patent Application with Search Report (A1)

Opposition filed

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

Lapse of the patent in a contracting state

(Expected) grant

New entry: Receipt of the translation of the claim(s)

New entry: Payment of fee for grant

New entry: Payment of fee for publishing/printing

New entry: Communication of intention to grant a patent

Intention to grant the patent

New entry: Renewal fee paid

Renewal fee payment

New entry: Observations by third parties

Observations by a third party

Deletion - Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO

DISSAPPROVAL_OF_COMMUNICATION_OF_INTENTION_TO_GRANT_PATENT

Intention to grant the patent

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Communication from the examining division

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First examination report

New entry: Despatch of examination report + time limit

Communication from the examining division

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Renewal fee payment

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Renewal fee payment

Change - applicant

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Amendment by applicant

Amendments

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Publication in section I.1 EP Bulletin

The date on which the examining division becomes responsible, has been established

Request for examination filed

PCT data prior to European publication

PCT data prior to European publication

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Change - representative

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Payment of national basic fee

Payment of the first designation fee

Payment of the fee for examination

Date on which the examining division has become responsible

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New entry: applicant or inventor

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PCT data prior to European publication