EPO: Board of Appeal communication not sufficient for late filings

Managing IP is part of Legal Benchmarking Limited, 1-2 Paris Gardens, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Cookies Settings

EPO: Board of Appeal communication not sufficient for late filings

As previously discussed in this column, the Boards of Appeal of the EPO have a few tools at their disposal, which they use to conduct EPO appeal proceedings efficiently. In particular, Article 12(2) of the Rules of Procedure of the Boards of Appeal (RPBA) requires appellants to provide their complete case in their statement of grounds of appeal or response to an appeal.

Using this Article, the Boards of Appeal can choose not to admit evidence or amendments to a patent that are filed late in appeal proceedings.

It has generally been accepted, however, that late-filed evidence or claim amendments could be admitted into appeal proceedings, if they are a response to a filing or argument made by another party. So, for example, if a patentee-appellant files new data with their appeal to support an invention, an opponent-appellant should be able to submit counter-evidence, for example in the form of experiments. In effect, a late-filing needs to be justified by a change in circumstances.

When summoning the parties to oral proceedings, a Board of Appeal will often provide a preliminary opinion on the issues to be discussed. When the summons to oral proceedings and preliminary opinion are issued, appellants can be motivated to file new arguments, evidence or claim amendments as a "response" to the Board's preliminary opinion.

In some cases, parties to appeal proceedings have attempted to justify a late-filed submission on the grounds that a preliminary opinion from the Board of Appeal is negative. However, the Case Law of the Boards of Appeal (Chapter IV, C-1.3.9) reminds parties that "The purpose of a communication of a board of appeal …is not an invitation to the parties to make further submissions or to file further requests (T 1459/11)."

In other words, the Boards of Appeal will not allow late-filed submissions to be justified solely for the reason that their preliminary opinion was negative in some respect. There has to be additional justification.

Decision T1459/11 quoted above is supported by another recent decision T0128/14, in which a patentee-appellant attempted to introduce new requests into proceedings, for the reason that the preliminary opinion from the Board was negative. This justification was not deemed sufficient.

It appears that justification for late-filing can only be based on actions of other parties, and not the EPO itself.

Edward J Farrington


Inspicos A/S

Kogle Allé 2

DK-2970 Hoersholm

Copenhagen, Denmark

Tel: +45 7070 2422

Fax: +45 7070 2423

info@inspicos.com

www.inspicos.com



more from across site and SHARED ros bottom lb

More from across our site

Three successive wins have got the firm eyeing additional opportunities as ITC work booms
While many firms remain focused on generative AI, recent hires and practice launches suggest the next battle may be for lawyers who understand how AI is moving into the physical world
The explosion of data centres has prompted patent pool operators to create new licensing opportunities
The court struck out copyright claims brought by Ladbrokes owner Entain, saying that ownership details should have been completed before litigation began
Düsseldorf has overtaken Munich as the UPC's busiest division, while firms including Winston Taylor, Clifford Chance, and Hoyng Rokh Monegier featured in disputes involving Abbott, Essity, Amazon and Hurom
The managing partner gave up an equity partnership track in New York to build a practice in India. More than a decade later, she discusses entrepreneurship, leadership, and why women should not wait before taking the next step
Vice presidents Shinya Jitsuhiro and Hirohisa Suzuki discuss litigation trends in Japan, recruitment challenges and clients’ international expansion
IP boutique Petillion represented IKEA in the dispute, which concerned the use of the multinational’s trademarks in an immigration-focused campaign. The firm tells Managing IP how it secured the outcome
The Pizzeys-Griffith Hack integration was designed to create a stronger Australian IP platform but with several ex-Pizzeys principals now gone, the deal's success may depend on where clients place their trust
Thomas Lonsdale and Hsu Min Chung of HGF explore the practical impact of the EPO’s Enlarged Board of Appeal’s decision in G1/25 and its interplay with G1/24
Gift this article