The Institute gives out annual awards - winners are listed beneath and a nomination form below:
- 2013 Awards Nomination Form. Deadline: 15 January 2013
| Year | Name | Country | Award |
| 2012 | Ms Corinne Jorgenson | United States/France | Distinguished Service Award |
| 2011 | Judge Abdul Koroma | Sierra Leone | Lifetime Achievement Award |
| Dr Ernst Fasan | Austria | Lifetime Achievement Award | |
| Prof. Joanne Gabrynowicz | United States | Distinguished Service Award | |
| Prof. Datuk Dr Mazlan Othman | Malaysia | Award of Appreciation | |
| Mr Scott Hatton | United Kingdom | Certificate of Gratitude | |
| 2010 | Prof. Dr Vladimir Kopal | Czech Republic | Lifetime Achievement Award |
| Dr Sylvia Ospina | Colombia | Distinguished Service Award | |
| Dr Jean-Michel Contant | France | Certificate of Appreciation | |
| 2009 | Prof. Dr Stephan Hobe | Germany | Distinguished Service Award |
| Judge Vladlen S. Vereshchetin | Russia | Lifetime Achievement Award | |
| Mrs Annie Moulin | France | Certificate of Appreciation | |
| 2008 | Prof. Francis Lyall | United Kingdom | Lifetime Achievement Award |
| 2007 | Mr KRS Murthi | India | Lifetime Achievement Award |
| Prof. Ram Jakhu | Canada | Distinguished Service Award | |
| 2006 | Dr Lubos Perek | Czech Republic | Lifetime Achievement Award |
| Dr Leslie Tennen | United States | Distinguished Service Award | |
| 2005 | Mr Ricky Lee | Australia | Distinguished Service Award |
| 2004 | Dr Frans von der Dunk | Netherlands | Distinguished Service Award |
| 2003 | Dr Kai-Uwe Schrogl | Germany | Distinguished Service Award |
| 2002 | Prof. Jonathan Galloway | United States | Distinguished Service Award |
| 2001 | Ms Tanja Masson-Zwaan | Netherlands/Switzerland | Distinguished Service Award |
| 2000 | Dr Milton (Skip) Smith | United States | Distinguished Service Award |
| 1999 | Dr I.H. Ph. Diederiks-Verschoor | Netherlands | Lifetime Achievement Award |
| Dr Andrei Terekhov | Russia | Distinguished Service Award | |
| 1998 | Prof. Carl Q. Christol | United States | Lifetime Achievement Award |
| Law Offices of Sterns & Tennen | United States | Distinguished Service Award | |
| 1997 | Amb. E. Finch Jr. | United States | Lifetime Achievement Award |
| Bin Cheng | United Kingdom | Special Book Award | |
| 1996 | Prof. Francis Lyall | United Kingdom | IISL Certificate |
| Dr He Qizhi | China | Special Certificate | |
| 1995 | Judge Vladlen Vereshchetin | Russia | IISL Certificate |
| Dr Michel Bourely | France | Special Certificate | |
| 1994 | Judge Gilbert Guillaume | France | IISL Certificate |
| 1993 | Dr Priyatna Abdurrasyid | Indonesia | Lifetime Achievement Award |
| 1992 | Dr Paul Dembling | United States | IISL Certificate |
| 1991 | no award | ||
| 1990 | Dr Reinhard Mueller | Germany | IISL Certificate |
| Dr I.H. Ph Diederiks-Verschoor | Netherlands | Special Certificate | |
| Dr Eilene M. Galloway | United States | Lifetime Achievement Award | |
| 1989 | Dr He Qizhi | China | Certificate of Merit |
| 1988 | Dr Stephen Doyle | United States | Certificate of Merit |
| 1987 | no award | ||
| 1986 | no award | ||
| 1985 | Dr Neil Hosenball | United States | Certificate of Merit |
| 1984 | no award | ||
| 1983 | Prof. K.-H. Bockstiegel | Germany | Certificate of Merit |
| 1982 | Dr Nandasiri Jasentuliyana | Sri Lanka | Testimonial Certificate |
| 1981 | Dr Carl Q. Christol | United States | Testimonial Certificate |
| Dr Vladimir Kopal | Czechoslovakia | Testimonial Certificate | |
| 1980 | Dr Michel Bourely | France | Testimonial Certificate |
| Dr Martin Menter | United States | Testimonial Certificate | |
| 1979 | Dr Priyatna Abdurrasyid | Indonesia | Testimonial Certificate |
| Dr Lubos Perek | Czechoslovakia | Testimonial Certificate | |
| 1978 | Dr Nicolas M. Matte | Canada | Testimonial Certificate |
| Dr A.S. Piradov | USSR | Testimonial Certificate | |
| Dr Vladlen Vereshchetin | USSR | Testimonial Certificate | |
| 1977 | Amb. E. Wyzner | United States | Testimonial Certificate |
| Ms Kwen Chen | United States | Testimonial Certificate | |
| Prof. S. Gorove | United States | Testimonial Certificate | |
| 1976 | no award | ||
| 1975 | no award | ||
| 1974 | no award | ||
| 1973 | no award | ||
| 1972 | no award | ||
| 1971 | no award | ||
| 1970 | no award | ||
| 1969 | Dr Gennady P. Zhukov | USSR | Andrew G. Haley Gold Medal/Award |
| 1968 | Dr Eilene M. Galloway | United States | Andrew G. Haley Gold Medal/Award |
| 1967 | no award | ||
| 1966 | Judge Manfred Lachs | Poland | Andrew G. Haley Gold Medal/Award |
| 1965 | Amb. Armando A. Cocca | Argentina | Andrew G. Haley Gold Medal/Award |
| Prof. Myres S. McDougal | Canada | Andrew G. Haley Gold Medal/Award | |
| 1964 | Dr Yevgeny A. Korovin | USSR | Andrew G. Haley Gold Medal/Award |
| Prof. Cyril Horsford | United Kingdom | Andrew G. Haley Gold Medal/Award | |
| 1963 | Dr Eugene Pepin | France | Andrew G. Haley Gold Medal/Award |
| Dr Ernst Fasan | Austria | Andrew G. Haley Gold Medal/Award | |
| 1962 | Dr Alex Meyer | Germany | Andrew G. Haley Gold Medal/Award |
| Dr Antonio Ambrosini | Italy | Andrew G. Haley Gold Medal/Award | |
| 1961 | Dr John Cobb Cooper | United States | Andrew G. Haley Gold Medal/Award |