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Administrative revocation or invalidation: Procedures allowing for the annulment of a patent outside the standard opposition period, typically involving administrative bodies or courts with the authority to revoke patents based on certain grounds. [12] Judicial proceedings: Generally, patents can also be challenged in a court.
The opposition rate (i.e. the number of oppositions filed per 100 granted patents) before the EPO is consistently higher in the closest available proxy for the pharmaceutical sector than it is in organic chemistry and in all sectors (overall EPO average). [79] The success rate depends however on the technical area (i.e., on the IPC classes). [45]
The subject of limitation or revocation proceedings is the European patent as granted or as amended in opposition or limitation proceedings before the EPO. [16] [26] Therefore, a European patent may be subject to several successive limitation proceedings. [27]
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 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 ...
The opposition procedure allows any person except for the patent proprietor to oppose a granted European patent in an attempt to have the EPO revoke or amend the patent. The opposition procedure may only be initiated within nine months of the grant of the European patent. [ 8 ]
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]
An extension of the subject-matter of the European patent beyond the content of the application as filed is a ground of opposition, [11] and revocation. [ 12 ] Standard of proof