European Patent Office: End of self-collision

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

European Patent Office: End of self-collision

Towards the end of November 2016, the Enlarged Board of Appeal of the European Patent Office rendered its order in decision G 1/15, which brings an end to the phenomenon of so-called self-collision, also nicknamed toxic divisionals and poisonous priorities. On the date of completion of this article, the reasons for the decision have not been made available. The Enlarged Board's order is, however, clear in the sense that applicants no longer have to worry about self-collision.

The question addressed by the Enlarged Board relates to the citability under Article 54(3) EPC of a parent application against its own divisional or vice versa. Such citability is in principle possible if one of the parent or divisional applications includes specific disclosure, which is also disclosed in the priority document, and which is embraced by a generic claim in the other one of the parent and divisional. If such a generic claim is not entitled to priority in its entire scope, the generic claim would lose its entitlement to priority, in which case the specific disclosure in the parallel application would take away the novelty of the generic claim.

According to the Enlarged Board's order of November 29 2016: "Entitlement to partial priority may not be refused for a claim encompassing alternative subject-matter by virtue of one or more generic expressions or otherwise (generic 'OR'-claim) provided that said alternative subject-matter has been disclosed for the first time, directly, or at least implicitly, unambiguously and in an enabling manner in the priority document. No other substantive conditions or limitations apply in this respect." In other words, a generic claim may enjoy partial priority for alternatives specifically disclosed in the priority document. As a result, there is no need any more for applicants to consider self-collision as a potential risk in relation to divisional applications, or in other instances of parallel applications sharing a common priority.

frederiksen.jpg

Jakob Pade Frederiksen

Inspicos P/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

Armstrong Teasdale’s Jim Heinen Jr discusses the challenge of balancing billables, business development and family life and explains why not all patent lawyers are science nerds
From cross-border jurisdiction to the end of the transitional period, Powell Gilbert’s Ioana Sabau and Bryce Matthewson predict the biggest talking points ahead
A wave of office launches and lateral hires reflect the draw of patent disputes, but booming AI, semiconductor and data centre markets are offering an even bigger IP opportunity
The hire of Frederick Nicolle as a partner continues Pinsent Masons' expansion while reducing Simmons’ patent prosecution offering in London to zero
The expansion into Granada forms part of a national ‘decentralisation’ strategy focused on providing proximity to research and tech businesses away from traditional hubs
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
Gift this article