It has to date not been examined in-depth what correlative rights and obligations the breach of an erga
omnes obligation or an erga
omnes right may entail. In his Separate Opinion in the Gabcíkovo-Nagymaros case, Judge Weeramantry devotes one section to the legal consequences of the involvement of erga
omnes obligations in inter
partes judicial procedures. This editorial analyses the relevant parts of Judge Weeramantry's Separate Opinion and explores the impact it may have on future litigation involving erga
omnes obligations; erga
omnes rights; jurisdiction; International Court of Justice.