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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 referrals to the Enlarged Board of Appeal lie from interlocutory decisions T 17/81, [12] T 92/82, [13] and T 24/82 [14] from Technical Board of Appeal 3.3.1 (the sole Technical Board of Appeal for Chemistry at that time [15]). The question asked in decision T 17/81 and leading to decision G 1/83 is:
Legal Research Service for the Boards of Appeal, European Patent Office, Case Law of the Boards of Appeal of the EPO (10th edition, July 2022), iv. c : "Opposition procedure" Special edition 1/2010, Ancillary Regulations to the European Patent Convention (PDF, 1.9 MB), section d.4: "Opposition" (pp. 73–74).
Until a decision of the Enlarged Board of Appeal of the EPO of 1994, namely G 9/93 (reverting earlier decision of the same instance of 1985, namely G 1/84), it was possible for the proprietor of a European patent to oppose its own patent with the aim of centrally limiting it.
This is a list of decisions and opinions of the Enlarged Board of Appeal of the European Patent Office (EPO) in chronological order of their date of issuance. The list includes decisions under Article 112(1)(a) EPC (following a referral from a Board of Appeal), opinions under Article 112(1)(b) EPC (following a referral from the President of the EPO), "to ensure uniform application of the law ...
Under the European Patent Convention (EPC), a petition for review is a request to the Enlarged Board of Appeal of the European Patent Office (EPO) to review a decision of a board of appeal. The procedure was introduced in Article 112a EPC when the EPC was revised in 2000, to form the so-called "EPC 2000". [1]
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 opposition, a European patent may be the subject of litigation at a national level (for example an infringement dispute).
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.