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This means that, after G 9/93, the only possibility for the proprietor of a European patent to voluntarily limit the scope conferred by its patent (e.g. for instance to strengthen the patent in view of some newly discovered prior art documents and/or in advance of envisaged litigation) was to request such limitation at the national level, i.e ...
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.
If a party files an opposition to a European patent with the EPO, that party may in most countries (except in Germany [80]) also, in parallel, initiate a revocation action (also called "nullity action" or "validity proceedings") against the same patent before a national court (or the UPC). In such a case, the national court (or the UPC) may, at ...
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 Unified Patent Court (UPC) is a common supranational [2] patent court of 18 member states of the European Union, [3] which opened on 1 June 2023. It hears cases regarding infringement and revocation proceedings of European patents (regular European patents unless they were opted out and unitary patents). A single court ruling is directly ...
However, a European patent is not a unitary right, but a group of essentially independent nationally enforceable, nationally revocable patents, [notes 1] subject to central revocation or narrowing as a group pursuant to two types of unified, post-grant procedures: a time-limited opposition procedure, which can be initiated by any person except ...
United Kingdom patents can be reviewed by way of a non-binding opinion issued by the Patent Office, or by formal applications for revocation before the Patent Office or the Court. If the patent survives a revocation action, this fact is noted for future reference by way of a Certificate of contested validity.
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.