Submission of delimitation disputes to courts and
tribunals – general trend
Unilateral submission
Joint submission
Until 1988
1
10
1988 to present
14
4
Negotiated and adjudicated maritime boundaries –
general trend
1925-1990
2003-2011
Negotiated
Judicial Settlement
Number
144
10
Percentage
93.5%
6.5%
Number
36
7
Percentage
83.7%
16.3%
Outcome of the North Sea
continental shelf cases
Provisional
equidistance line
Black Sea case
Effect of St.
Martin’s Island
• Line established
by the Tribunal
added in purple
Peru v. Chile – Court’s equidistance line (line A-B) and actual
equidistance line (red line; approximate)
Coastal concavity in the Gulf of Guinea and the Bay of Bengal