| 2024 | | IISL Colloquium on the Law of Outer Space 2024 | Milan | 2024-10-14/18 |
| 2023 | | IISL Colloquium on the Law of Outer Space 2023 | Baku | 2023-10-02/06 |
| 2022 | 65 | IISL Colloquium on the Law of Outer Space 2022 | Paris | 2022-09-18/22 |
| 2021 | 64 | IISL Colloquium on the Law of Outer Space 2021 | Dubai | 2021-10-25/29 |
| 2020 | 63 | IISL Colloquium on the Law of Outer Space 2020 | | 2020-10-12/14 |
| 2019 | 62 | IISL Colloquium on the Law of Outer Space 2019 | Washington, D.C. | 2019-10-21/25 |
| 2018 | 61 | IISL Colloquium on the Law of Outer Space 2018 | Bremen | 2018-10-01/05 |
| 2017 | 60 | IISL Colloquium on the Law of Outer Space 2017 | Adelaide | 2017-09-25/29 |
| 2016 | 59 | IISL Colloquium on the Law of Outer Space 2016 | Guadalajara | 2016-09-26/30 |
| 2015 | 58 | IISL Colloquium on the Law of Outer Space 2015 | Jerusalem | 2015-10-12/16 |
| 2014 | 57 | IISL Colloquium on the Law of Outer Space 2014 | Toronto | 2014-09-29 to 2014-10-03 |
| 2013 | 56 | IISL Colloquium on the Law of Outer Space 2013 | Beijing | 2013-09-23/27 |
| 2012 | 55 | IISL Colloquium on the Law of Outer Space 2012 | Naples | 2012-10-01/05 |
| 2011 | 54 | IISL Colloquium on the Law of Outer Space 2011 | Cape Town | 2011-10-03/07 |
| 2010 | 53 | IISL Colloquium on the Law of Outer Space 2010 | Prague | 2010-09-27 to 2010-10-01 |
| 2009 | 52 | IISL Colloquium on the Law of Outer Space 2009 | Daejeon | 2009-10-12/16 |
| 2008 | 51 | IISL Colloquium on the Law of Outer Space 2008 | Glasgow | 2008-09-29 to 2008-10-01 |
| 2007 | 50 | IISL Colloquium on the Law of Outer Space 2007 | Hyderabad | 2007-09-24/28 |
| 2006 | 49 | IISL Colloquium on the Law of Outer Space 2006 | Valencia | 2006-10-02/06 |
| 2005 | 48 | IISL Colloquium on the Law of Outer Space 2005 | Fukuoka | 2005-10-16/21 |
| 2004 | 47 | IISL Colloquium on the Law of Outer Space 2004 | Vancouver | 2004-10-04/08 |
| 2003 | 46 | IISL Colloquium on the Law of Outer Space 2003 | Bremen | 2003-09-29 to 2003-10-03 |
| 2002 | 45 | IISL Colloquium on the Law of Outer Space 2002 | Houston | 2002-10-10/19 |
| 2001 | 44 | IISL Colloquium on the Law of Outer Space 2001 | Toulouse | 2001-10-01/05 |
| 2000 | 43 | IISL Colloquium on the Law of Outer Space 2000 | Rio de Janeiro | 2000-10-02/06 |
| 1999 | 42 | IISL Colloquium on the Law of Outer Space 1999 | Kingdom of the Netherlands | 1999-10-04/08 |
| 1998 | 41 | IISL Colloquium on the Law of Outer Space 1998 | Melbourne | 1998-09-18 to 1998-10-02 |
| 1997 | 40 | IISL Colloquium on the Law of Outer Space 1997 | Turin | 1997-10-06/10 |
| 1996 | 39 | IISL Colloquium on the Law of Outer Space 1996 | Beijing | 1996-10-07/11 |
| 1995 | 38 | IISL Colloquium on the Law of Outer Space 1995 | Oslo | 1995-10-02/06 |
| 1994 | 37 | IISL Colloquium on the Law of Outer Space 1994 | Jerusalem | 1994-10-09/14 |
| 1992 | 35 | IISL Colloquium on the Law of Outer Space 1992 | Washington, D.C. | 1992-08-28 to 1992-09-05 |
| 1991 | 34 | IISL Colloquium on the Law of Outer Space 1991 | Montreal | 1991-10-05/11 |
| 1990 | 33 | IISL Colloquium on the Law of Outer Space 1990 | Dresden | 1990-10-06/12 |
| 1989 | 32 | IISL Colloquium on the Law of Outer Space 1989 | Málaga | 1989-10-07/13 |
| 1988 | 31 | IISL Colloquium on the Law of Outer Space 1988 | Bengaluru | 1988-10-08/15 |
| 1987 | 30 | IISL Colloquium on the Law of Outer Space 1987 | Brighton | 1987-10-10/17 |
| 1986 | 29 | IISL Colloquium on the Law of Outer Space 1986 | Innsbruck | 1986-10-04/11 |
| 1985 | 28 | IISL Colloquium on the Law of Outer Space 1985 | Stockholm | 1985-10-07/12 |
| 1984 | 27 | IISL Colloquium on the Law of Outer Space 1984 | Lausanne | 1984-10-08/13 |
| 1983 | 26 | IISL Colloquium on the Law of Outer Space 1983 | Budapest | 1983-10-10/15 |
| 1982 | 25 | IISL Colloquium on the Law of Outer Space 1982 | Paris | 1982-09-27 to 1982-10-02 |
| 1981 | 24 | IISL Colloquium on the Law of Outer Space 1981 | Rome | 1981-09-06/12 |
| 1980 | 23 | IISL Colloquium on the Law of Outer Space 1980 | Tokyo | 1980-09-22/28 |
| 1979 | 22 | IISL Colloquium on the Law of Outer Space 1979 | Munich | 1979-09-17/22 |
| 1978 | 21 | IISL Colloquium on the Law of Outer Space 1978 | Dubrovnik | 1978-10-01/08 |
| 1977 | 20 | IISL Colloquium on the Law of Outer Space 1977 | Prague | 1977-09-25 to 1977-10-01 |
| 1976 | 19 | IISL Colloquium on the Law of Outer Space 1976 | Anaheim | 1976-10-10/16 |
| 1975 | 18 | IISL Colloquium on the Law of Outer Space 1975 | Lisbon | 1975-09-21/27 |
| 1974 | 17 | IISL Colloquium on the Law of Outer Space 1974 | Kingdom of the Netherlands | 1974-09-30 to 1974-10-05 |
| 1973 | 16 | IISL Colloquium on the Law of Outer Space 1973 | Baku | 1973-10-07/13 |
| 1972 | 15 | IISL Colloquium on the Law of Outer Space 1972 | Vienna | 1972-10-08/15 |
| 1971 | 14 | IISL Colloquium on the Law of Outer Space 1971 | Brussels | 1971-09-20/25 |
| 1970 | 13 | IISL Colloquium on the Law of Outer Space 1970 | Constance | 1970-10-04/09 |
| 1969 | 12 | IISL Colloquium on the Law of Outer Space 1969 | Argentina | 1969-10-05/10 |
| 1968 | 11 | IISL Colloquium on the Law of Outer Space 1968 | New York City | 1968-10-13/18 |
| 1966 | 9 | IISL Colloquium on the Law of Outer Space 1966 | Madrid | 1966-10-09/15 |
| 1965 | 8 | IISL Colloquium on the Law of Outer Space 1965 | Athens | 1965-10-13/18 |
| 1964 | 7 | IISL Colloquium on the Law of Outer Space 1964 | Warsaw | 1964-09-07/12 |
| 1962 | 5 | IISL Colloquium on the Law of Outer Space 1962 | Varna | 1962-09-19/23 |
| 1961 | 4 | IISL Colloquium on the Law of Outer Space 1961 | Washington, D.C. | 1961-10-01/07 |
| 1960 | 3 | IISL Colloquium on the Law of Outer Space 1960 | Stockholm | 1960-10-07/12 |
| 1958 | 1 | IISL Colloquium on the Law of Outer Space 1958 | Kingdom of the Netherlands | 1958-08-25/30 |