IP Verse

Soft Material Seal With Surround - EP3290754

The patent EP3290754 was granted to Frenzelit on Jun 14, 2023. The application was originally filed on Aug 30, 2016 under application number EP16186400A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3290754

FRENZELIT
Application Number
EP16186400A
Filing Date
Aug 30, 2016
Status
Opposition Rejected
Sep 26, 2025
Grant Date
Jun 14, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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

SGL CARBONMar 12, 2024-ADMISSIBLE
SCHURACKMar 11, 2024HOFSTETTERADMISSIBLE

Patent Citations (31) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONDE3232255
DESCRIPTIONEP0734472
DESCRIPTIONEP1293709
EXAMINATIONDE10316262
EXAMINATIONDE19804289
EXAMINATIONDE2019477
EXAMINATIONDE20204054U
EXAMINATIONDE3101921
EXAMINATIONDE3809690
EXAMINATIONEP0486975
EXAMINATIONUS5772215
OPPOSITIONCN203286173U
OPPOSITIONDE2713542
OPPOSITIONDE3101921
OPPOSITIONDE7303497U
OPPOSITIONEP0010954
OPPOSITIONEP0713988
OPPOSITIONEP0935085
OPPOSITIONEP2557109
OPPOSITIONUS5368315
OPPOSITIONWO2004071755
OPPOSITIONWO2009058738
OTHERDE10316262
OTHERDE19804289
OTHERDE2019477
OTHERDE20204054U
OTHERDE3101921
OTHEREP0486975
SEARCHDE3618786
SEARCHEP0939263
SEARCHUS6845983

Non-Patent Literature (NPL) Citations (6) 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
EXAMINATION- Poeschel Eva ET AL, "Asbestersatzstoff-Katalog Band 6: Dichtungen", Dichtungen, Essen, Hauptverband der gewerblichen Berufsgenossenschaften e.V., (19851001), vol. 6, pages 1 - 96, ISBN 978-3-88383-118-3, XP055827000-
EXAMINATION- Sgl Carbon Gmbh, "Sigraflex Hochdruck - Expanded Graphite", Sigraflex Hochdruck - Expanded Graphite, Germany, SGL Carbon GmbH, (20110101), vol. 3, pages 1 - 6, XP055827030-
EXAMINATION- Sgl Carbon Gmbh, "Sigrflex Economy - Expanded Graphite", Sigrflex Economy - Expanded Graphite, Germany, SGL Carbon GmbH, (20110101), vol. 3, pages 1 - 4, XP055827032-
OPPOSITION- FSA & ESA, Gasket Handbook, (20170101), pages 1 - 138, XP093174099-
OPPOSITION- Jiri George Dropny, Technology of FLUOROPOLYMERS, 2nd ed., Taylor & Francis Group LLC, (2009), page 250pp, ISBN 978-1-4200-6317-2-
OPPOSITION- Lamons, Gasket Handbook - A Technical Guide to Gasketing & Bolted Joints, (20120201), pages 1 - 170, XP093174101-

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