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Overall, about 5.5-6% of the European patents granted by the European Patent Office are opposed. [45] [51] [78] Of those, over the course of 1980–2005, about 1/3 were revoked, 1/3 were maintained in an amended form, which generally means "reduced in scope", and 1/3 were maintained as granted, that is, the opposition was rejected.
Timeframes for filing opposition: The period during which an opposition can be filed may commence immediately after the publication of the patent application, after a positive examination result, or following the grant of the patent. The duration of this period varies, typically ranging from two to six months for pre-grant oppositions and six ...
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.
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:
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]
A characteristic of European patent law as it stands today is that European patents granted by the European Patent Office (EPO), and patents granted by national patent offices are available, [3] and may possibly –if permitted by national law and, if so, to the extent permitted by national law [4] – co-exist within a given jurisdiction.
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]
The European Patent Office (EPO) [notes 1] is one of the two organs of the European Patent Organisation (EPOrg), the other being the Administrative Council. [4] The EPO acts as executive body for the organisation [5] [6] while the Administrative Council acts as its supervisory body [5] as well as, to a limited extent, its legislative body.