Abstract
This article attempts a complex examination of problems pertaining to actual and potential extensions of coastal state rights and jurisdiction beyond the limit of 200 miles in the light of 1982 Law of the Sea Convention and state practice. Extension of the continental shelf regime, in the context of its outer limit beyond 200 miles, the entitlement of rocks to this limit, and the scope of coastal state rights and duties, is analyzed first. It is followed by discussion of the extension of the exclusive economic zone (EEZ) or fishery zone regime, which involves extension of certain coastal state fishery rights on the one hand, and the right of intervention in cases of maritime casualties and the liability regime for oil pollution damage on the other hand. Attention is also paid to presently speculative extensions of both regimes as a consequence of sea level rise. The author concludes that, if a continuing nontreaty situation deprives recourse to compulsory dispute settlement, the worst‐case scenario of spatial extension of the entire EEZ regime to the outer edge of the continental margin could not with certainty be excluded.