Aerosol-Generating Material Rod Segment

Patent No. EP3684201 (titled "Aerosol-Generating Material Rod Segment") was filed by British American Tobacco on Sep 19, 2018. The application was issued on Mar 15, 2023.

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.

Company	Opposition Date	Representative
IMPERIAL TOBACCO	Dec 15, 2023	HASELTINE LAKE KEMPNER
IMPERIAL TOBACCO	Dec 15, 2023	MEWBURN ELLIS
LORENZ SEIDLER GOSSEL RECHTSANWALTE PATENTANWALTE PARTNERSCHAFT MBB	Nov 21, 2023	VON TIETZEN UND HENNIG

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

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Jan 29, 2026
Brief communication - Opposition proceedings
Jan 29, 2026
Brief communication - Opposition proceedings
Jan 21, 2026
(Electronic) Receipt
Jan 21, 2026
Letter accompanying subsequently filed items
Jan 21, 2026
Written submission in preparation to/during oral proceedings
Dec 18, 2025
Brief communication - Opposition proceedings
Dec 18, 2025
Brief communication - Opposition proceedings
Dec 17, 2025
Brief communication - Opposition proceedings
Dec 17, 2025
Brief communication - Opposition proceedings
Dec 15, 2025
(Electronic) Receipt
Dec 15, 2025
Citation in opposition procedure - 016
Dec 15, 2025
Consolidated list of cited opposition documents
Dec 15, 2025
Letter accompanying subsequently filed items
Dec 15, 2025
Written submission in preparation to/during oral proceedings
Dec 9, 2025
(Electronic) Receipt
Dec 9, 2025
Auxiliary request during Opposition procedure
Dec 9, 2025
Auxiliary request during Opposition procedure
Dec 9, 2025
Auxiliary request during Opposition procedure
Dec 9, 2025
Auxiliary request during Opposition procedure
Dec 9, 2025
Auxiliary request during Opposition procedure - 02
Dec 9, 2025
Auxiliary request during Opposition procedure - 03
Dec 9, 2025
Auxiliary request during Opposition procedure - 04
Dec 9, 2025
Auxiliary request during Opposition procedure - 04
Dec 9, 2025
Letter accompanying subsequently filed items
Dec 9, 2025
Written submission in preparation to/during oral proceedings
Nov 13, 2025
Brief communication - Opposition proceedings
Nov 13, 2025
Brief communication - Opposition proceedings
Nov 6, 2025
(Electronic) Receipt
Nov 6, 2025
Letter accompanying subsequently filed items
Nov 6, 2025
Written submission in preparation to/during oral proceedings
Nov 4, 2025
Brief communication - Opposition proceedings
Nov 4, 2025
Brief communication - Opposition proceedings
Oct 30, 2025
Communication of amended entries
Oct 22, 2025
Letter accompanying subsequently filed items
Oct 22, 2025
Request for change of opponent's representative
Oct 14, 2025
Annex to the communication - opposition
Oct 14, 2025
Information concerning oral proceedings
Oct 14, 2025
Scanned annex to a communication - opposition procedure
Oct 14, 2025
Summons to attend oral proceedings
Oct 14, 2025
Summons to attend oral proceedings
Oct 14, 2025
Summons to attend oral proceedings
Sep 30, 2025
Notification concerning the date of oral proceedings
Sep 30, 2025
Notification concerning the date of oral proceedings
Sep 30, 2025
Notification concerning the date of oral proceedings
Sep 23, 2025
Brief communication - Opposition proceedings
Sep 23, 2025
Brief communication - Opposition proceedings
Sep 12, 2025
(Electronic) Receipt
Sep 12, 2025
Any annexes (other than citation) to an opposition letter
Sep 12, 2025
Letter accompanying subsequently filed items
Sep 12, 2025
Written submission in preparation to/during oral proceedings
Aug 21, 2025
Brief communication - Opposition proceedings
Aug 21, 2025
Brief communication - Opposition proceedings
Aug 15, 2025
(Electronic) Receipt
Aug 15, 2025
Citation in opposition procedure - 004
Aug 15, 2025
Citation in opposition procedure - 015
Aug 15, 2025
Letter accompanying subsequently filed items
Aug 15, 2025
Written submission in preparation to/during oral proceedings
Aug 5, 2025
Annex to the communication - opposition
Aug 5, 2025
Information concerning oral proceedings
Aug 5, 2025
Scanned annex to a communication - opposition procedure
Aug 5, 2025
Summons to attend oral proceedings
Aug 5, 2025
Summons to attend oral proceedings
Aug 5, 2025
Summons to attend oral proceedings
May 22, 2025
Brief communication - Opposition proceedings
May 22, 2025
Brief communication - Opposition proceedings
May 19, 2025
Communication of amended entries
May 19, 2025
Communication of amended entries
May 12, 2025
Letter accompanying subsequently filed items
May 12, 2025
Request for change of opponent's representative
Feb 13, 2025
Transmittal of third party observations to applicant
Feb 9, 2025
Citation filed by a third party
Feb 9, 2025
Citation filed by a third party
Feb 9, 2025
Citation filed by a third party
Feb 9, 2025
Citation filed by a third party
Feb 9, 2025
Observations by third parties
Jul 29, 2024
Brief communication - Opposition proceedings
Jul 29, 2024
Brief communication - Opposition proceedings
Jul 19, 2024
(Electronic) Receipt
Jul 19, 2024
Citation in opposition procedure - 014
Jul 19, 2024
Letter accompanying subsequently filed items
Jul 19, 2024
Letter regarding the opposition procedure (no time limit)
May 10, 2024
Brief communication - Opposition proceedings
May 10, 2024
Brief communication - Opposition proceedings
May 2, 2024
(Electronic) Receipt
May 2, 2024
Amended description with annotations
May 2, 2024
Amended description with annotations
May 2, 2024
Amended description with annotations
May 2, 2024
Auxiliary request during Opposition procedure
May 2, 2024
Auxiliary request during Opposition procedure
May 2, 2024
Auxiliary request during Opposition procedure
May 2, 2024
Auxiliary request during Opposition procedure
May 2, 2024
Auxiliary request during Opposition procedure - 01
May 2, 2024
Auxiliary request during Opposition procedure - 02
May 2, 2024
Auxiliary request during Opposition procedure - 03
May 2, 2024
Auxiliary request during Opposition procedure - 04
May 2, 2024
Clean copy of description pages in the opposition procedure
May 2, 2024
Clean copy of description pages in the opposition procedure
May 2, 2024
Clean copy of description pages in the opposition procedure
May 2, 2024
Letter accompanying subsequently filed items
May 2, 2024
Main request during Opposition procedure
May 2, 2024
Reply of the patent proprietor to the notice(s) of opposition
May 2, 2024
Reply of the patent proprietor to the notice(s) of opposition
Jan 10, 2024
Brief communication - Opposition proceedings
Jan 10, 2024
Brief communication - Opposition proceedings
Jan 4, 2024
Communication of a notice of opposition and request to file observations
Jan 4, 2024
Notice of further oppositions to opponent(s)
Jan 4, 2024
Notice of further oppositions to opponent(s)
Dec 21, 2023
Communication of a notice of opposition - first information to patent proprietor
Dec 18, 2023
Brief communication - Opposition proceedings
Dec 15, 2023
(Electronic) Receipt
Dec 15, 2023
Any annexes (other than citation) to an opposition letter
Dec 15, 2023
Citation in opposition procedure
Dec 15, 2023
Citation in opposition procedure
Dec 15, 2023
Citation in opposition procedure
Dec 15, 2023
Citation in opposition procedure
Dec 15, 2023
Citation in opposition procedure
Dec 15, 2023
Citation in opposition procedure
Dec 15, 2023
Citation in opposition procedure
Dec 15, 2023
Citation in opposition procedure
Dec 15, 2023
Citation in opposition procedure - 004
Dec 15, 2023
Citation in opposition procedure - 008
Dec 15, 2023
Citation in opposition procedure - 009
Dec 15, 2023
Citation in opposition procedure - 010
Dec 15, 2023
Citation in opposition procedure - 011
Dec 15, 2023
Citation in opposition procedure - 012
Dec 15, 2023
Citation in opposition procedure - 013
Dec 15, 2023
Letter accompanying subsequently filed items
Dec 15, 2023
Notice of opposition
Dec 15, 2023
Notice of opposition
Nov 28, 2023
Communication of a notice of opposition - first information to patent proprietor
Nov 24, 2023
Brief communication - Opposition proceedings
Nov 21, 2023
(Electronic) Receipt
Nov 21, 2023
Any annexes (other than citation) to an opposition letter
Nov 21, 2023
Any annexes (other than citation) to an opposition letter
Nov 21, 2023
Citation in opposition procedure - 001
Nov 21, 2023
Citation in opposition procedure - 002
Nov 21, 2023
Citation in opposition procedure - 003
Nov 21, 2023
Citation in opposition procedure - 004
Nov 21, 2023
Citation in opposition procedure - 004
Nov 21, 2023
Citation in opposition procedure - 005
Nov 21, 2023
Citation in opposition procedure - 006
Nov 21, 2023
Citation in opposition procedure - 007
Nov 21, 2023
Letter accompanying subsequently filed items
Nov 21, 2023
Notice of opposition
Mar 28, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 16, 2023
Decision to grant a European patent
Jan 31, 2023
(Electronic) Receipt
Jan 31, 2023
Filing of the translations of the claims
Jan 31, 2023
French translation of claims
Jan 31, 2023
German translation of the claims
Jan 31, 2023
Letter accompanying subsequently filed items
Oct 27, 2022
Annex to the communication about intention to grant a European patent
Oct 27, 2022
Bibliographic data of the European patent application
Oct 27, 2022
Communication about intention to grant a European patent
Oct 27, 2022
Intention to grant (signatures)
Oct 27, 2022
Text intended for grant (clean copy)
Oct 27, 2022
Text intended for grant (version for approval)
Oct 5, 2022
Annex to the communication
Oct 5, 2022
Consultation by telephone/in person
Oct 5, 2022
Result of consultation by telephone/in person
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
Amended claims with annotations
Sep 29, 2022
Amended description with annotations
Sep 29, 2022
Claims
Sep 29, 2022
Description
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Sep 26, 2022
Examination started
Jan 11, 2021
Communication of amended entries concerning the representative
Jan 6, 2021
(Electronic) Receipt
Jan 6, 2021
Amended claims with annotations
Jan 6, 2021
Amended description with annotations
Jan 6, 2021
Amendments received before examination
Jan 6, 2021
Claims
Jan 6, 2021
Description
Jan 6, 2021
Letter accompanying subsequently filed items
Dec 21, 2020
(Electronic) Receipt
Dec 21, 2020
Letter accompanying subsequently filed items
Dec 21, 2020
Submission concerning change of applicant's representative
Dec 1, 2020
Communication of the registration of a transfer or change of name and/or address
Nov 25, 2020
Annexes in respect of a client data request
Nov 25, 2020
Submission concerning a transfer of rights (applicant)
Oct 13, 2020
Communication confirming withdrawal from representation
Oct 13, 2020
Communication of amended entries concerning the representative
Oct 12, 2020
Confirmation of revocation of automatic debit order
Oct 7, 2020
Letter relating to the automatic debiting procedure
Oct 6, 2020
(Electronic) Receipt
Oct 6, 2020
Letter accompanying subsequently filed items
Oct 6, 2020
Submission concerning change of applicant's representative
Jul 1, 2020
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 1, 2020
Notification on forthcoming publication of bibliographic data
Apr 30, 2020
Communication to designated inventor
Apr 30, 2020
Communication to designated inventor
Apr 9, 2020
Copy of the international preliminary report on patentability
Mar 20, 2020
(Electronic) Receipt
Mar 20, 2020
Request for entry into the European phase
Jan 31, 2020
Information on entry into European phase
Apr 16, 2019
Priority document (electronically transmitted)
Mar 28, 2019
Copy of the international search report
Mar 28, 2019
Published international application - A1
Jan 29, 2019
Written opinion of the ISA, boxes No. I to VIII
Jan 29, 2019
Written opinion of the ISA, cover sheet
Jan 29, 2019
Written opinion of the ISA, supplemental box
Oct 12, 2018
Notification of the international application number and of the international filing date
Sep 19, 2018
(Electronic) Receipt
Sep 19, 2018
Abstract
Sep 19, 2018
Claims
Sep 19, 2018
Description
Sep 19, 2018
Document concerning fees and payments
Sep 19, 2018
Drawings
Sep 19, 2018
Electronic request for grant of an International application

EP3684201

BRITISH AMERICAN TOBACCO

Application Number: EP18783370A
Filing Date: Sep 19, 2018
Status: Granted And Under Opposition; Feb 10, 2023
Publication Date: Mar 15, 2023
External Links: Slate, Register , Google Patents

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Aerosol-Generating Material Rod Segment

Patent Summary

Patent Family

Patent Oppositions (3)

Dossier Documents

EP3684201