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The validity of a European patent can be scrutinised both at the national level, before a national court, and at the international level, before the European Patent Office during opposition or before the UPC. The same is not true for infringement proceedings, upon which national courts and the UPC exercise exclusive jurisdiction.
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 ...
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:
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.
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]
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. Simultaneously to the ...
A first aspect relating to the infringement of European patents which is prescribed in the EPC is the extent of protection conferred by a European patent. Article 69(1) EPC reads: The extent of the protection conferred by a European patent or a European patent application shall be determined by the claims. Nevertheless, the description and ...
After the unitary European examination and opposition phase ends, nearly all "unitary" nature of the European patent dissolves, and what remains is a collection of essentially-independent national patents, and ownership, validity and infringement of each being determined independently under respective national law.