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  2. Opposition procedure before the European Patent Office

    en.wikipedia.org/wiki/Opposition_procedure...

    Article 99(1) EPC, i.e. a notice of opposition must be filed by a natural or legal person within nine months from the publication of the mention of grant of the European patent in the European Patent Bulletin (the start of the nine-month opposition period depends on the publication of the mention of grant of the European patent in the European ...

  3. List of decisions and opinions of the Enlarged Board of ...

    en.wikipedia.org/wiki/List_of_decisions_and...

    Framework of opposition and appeal, insofar as the extent of the opposition is concerned: "The power of an Opposition Division or a Board of Appeal to examine and decide on the maintenance of a European patent under Articles 101 and 102 EPC depends upon the extent to which the patent is opposed in the notice of opposition pursuant to Rule 55(c ...

  4. Patent opposition proceedings - Wikipedia

    en.wikipedia.org/wiki/Patent_opposition_proceedings

    The opposition must be filed within a specific period after the patent grant, commonly ranging from six to twelve months, depending on the jurisdiction. [1] Procedures: Similar to pre-grant opposition, the opponent submits a notice outlining the grounds for opposition with supporting evidence.

  5. Limitation and revocation procedures before the European ...

    en.wikipedia.org/wiki/Limitation_and_revocation...

    The EPC of 1973 made no provision for a limitation procedure, [6] and a fortiori no provision for centrally limiting a European patent before the EPO after the nine-month period for filing an opposition (nine months as from the date of grant of the European patent). The travaux préparatoires laid out the rationale for a limitation procedure:

  6. Representation before the European Patent Office - Wikipedia

    en.wikipedia.org/wiki/Representation_before_the...

    Paper C (5½ hours [15]) consists in drafting a notice of opposition to a European patent. The exercise is based on a fictitious letter from a client, a European patent to be opposed, several documents and an EPO opposition form. For paper C also, the problem-and-solution approach must typically be used for the inventive step assessment(s). [18]

  7. Appeal procedure before the European Patent Office - Wikipedia

    en.wikipedia.org/wiki/Appeal_procedure_before...

    EPO headquarters in Munich, Germany, where the Boards of Appeal were based until 2017.. Decisions of the first instance departments of the European Patent Office (EPO) can be appealed, i.e. challenged, before the Boards of Appeal of the EPO, in a judicial procedure (proper to an administrative court), as opposed to an administrative procedure. [1]

  8. Opposition proceeding - Wikipedia

    en.wikipedia.org/wiki/Opposition_proceeding

    An opposition proceeding is an administrative process available under the patent and trademark law of many jurisdictions which allows third parties to formally challenge the validity of a pending patent application ("pre-grant opposition"), of a granted patent ("post-grant opposition"), or of a trademark.

  9. European Patent Convention - Wikipedia

    en.wikipedia.org/wiki/European_Patent_Convention

    The opposition procedure, governed by the EPC, allows third parties to file an opposition against a European patent within 9 months of the date of grant of that patent. [54] It is a quasi-judicial process, subject to appeal, which can lead to maintenance, maintenance in amended form or revocation of a European patent.