Guided Optical Router, Fibre-Optic Interferometer Integrating Such An Optical Router And Method Of Guided Optical Routing - EP2805133

The patent EP2805133 was granted to Ixblue on Sep 13, 2023. The application was originally filed on Jan 14, 2013 under application number EP13705211A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2805133

IXBLUE
Application Number
EP13705211A
Filing Date
Jan 14, 2013
Status
Patent Maintained As Amended
Aug 11, 2023
Grant Date
Sep 13, 2023
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

SAFRAN ELECTRONICS & DEFENSEJun 21, 2018PLASSERAUD -

Patent Citations (5) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS4653917
INTERNATIONAL-SEARCH-REPORTUS4653917
OPPOSITIONEP2805133
OPPOSITIONUS4653917
OPPOSITIONUS7333690

Non-Patent Literature (NPL) Citations (8) 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- P. GANGULY; J.C. BISWAS; S. DAS; S.K. LAHIRI, "A three waveguide polarization independant power splitter on lithium niobate subsrate", OPTICS COMM., (1999), vol. 168, pages 349 - 354-
DESCRIPTION- "Reciprocity properties of a branching waveguide", ARDITTY ET AL., Fiber-Optic Rotation Sensors, SPRINGER SERIES IN OPTICAL SCIENCES, (1982), vol. 32, pages 102 - 110-
DESCRIPTION- S.K. SHEEM, "Fiber-Optic Gyroscope With [3x3] Directionnel Coupler", APPLIED PHYSICS LETTERS, (1980), vol. 37, pages 869 - 871-
DESCRIPTION- P. GANGULY; J.C. BISWAS; S. DAS; S.K. LAHIRI, "A three waveguide polarization independant power splitter on lithium niobate substrate", OPTICS COMM., (1999), vol. 168, doi:doi:10.1016/S0030-4018(99)00368-5, pages 349 - 354, XP004180306
INTERNATIONAL-SEARCH-REPORT- GANGULY P ET AL, "A three-waveguide polarization independent power splitter on lithium niobate substrate", OPTICS COMMUNICATIONS, NORTH-HOLLAND PUBLISHING CO. AMSTERDAM, NL, (19990915), vol. 168, no. 5-6, doi:10.1016/S0030-4018(99)00368-5, ISSN 0030-4018, pages 349 - 354, XP004180306 [Y] 1-10 * figure 1 *
OPPOSITION- DE A. TAKAGI et al., "Design and Fabrication of Silica-Based Waveguide-Type (3 x 3) Directional Couplers with two Identical Outer Waveguides", Jpn. J. Appl. Phys., (19920500), vol. 31, no. 5B, pages 1618 - 1627-
OPPOSITION- DE A. TAKAGI et al., "Design and Fabrication of Silica-Based Waveguide-Type (3 x 3) Directional Couplers with two Identical Outer Waveguides", Jpn. J. Appl. Phys., (19920500), vol. 31, no. 5B, pages 1618 - 1627, XP055511756-
OPPOSITION- P. GANGULY et al., "A three-waveguide polarization independent power splitter on lithium niobate substrate", Optics Communications, (19990915), vol. 168, no. 5-6, pages 349 - 354, XP004180306

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